ڇဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ
ۉፆሀࡪსሯำࠅ๕
CLOSED-
LOOP BW
= f
CL
B
A
V
N, R1
R1
R3
4kTR3
4kTR1
V
N, R3
I
N+
I
N–
V
N
4kTR2
V
N, R2
R2
NOISE GAIN =
GAIN FROM
“A” TO OUTPUT
=
NG = 1 +
R2
R1
V
OUT
GAIN FROM
“B” TO OUTPUT
= –
R2
R1
RTI NOISE =
BW ×
V
N
2
+ 4kTR3 + 4kTR1
R2
R1 + R2
2
+ I
N+
2
R3
2
+ I
N–
2
R1 × R2
R1 + R2
2
+ 4kTR2
R
1
R1 + R2
2
RTO NOISE = NG × RTI NOISE
RTI = ችࢇڟ܋
RTO = ችࢇڟ܋
BW = 1.57 f
CL
GAIN
(dB)
6dB/OCTAVE
ROLL-OFF
LOOP
GAIN
OPEN-
LOOP
GAIN
CLOSED-
LOOP
GAIN
NOISE
GAIN
CLOSED-LOOP BANDWITH
LOG FREQUENCY
RESISTANCE (𝛀)
10,000
1000
10
1
0
10 1k 100k 10M100 10k 1M 100M
100
e
n
at 25°C
nV
Hz
ُت:
V
R
= ۉፆሀࡪსሯำೕ܈
k = հܻጦதຕ (1.38 × 10
–23
J/K)
T = ܻ࿔ܔ࿒܈
R = ۉፆኵ(Ohms)
B = ټ(Hz)
= 4kTRBV
R
25°C้Lj4kT = 1.65 × 10
–20
W/HzLj
ᅺُLjV
R
= 1.65 × 10
–20
RB
ڇဣཥڦሏ໙ݣٷഗሯำ
ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ
ۉፆሀࡪსሯำࠅ๕
CLOSED-
LOOP BW
= f
CL
B
A
V
N, R1
R1
R3
4kTR3
4kTR1
V
N, R3
I
N+
I
N–
V
N
4kTR2
V
N, R2
R2
NOISE GAIN =
GAIN FROM
“A” TO OUTPUT
=
NG = 1 +
R2
R1
V
OUT
GAIN FROM
“B” TO OUTPUT
= –
R2
R1
RTI NOISE =
BW ×
V
N
2
+ 4kTR3 + 4kTR1
R2
R1 + R2
2
+ I
N+
2
R3
2
+ I
N–
2
R1 × R2
R1 + R2
2
+ 4kTR2
R
1
R1 + R2
2
RTO NOISE = NG × RTI NOISE
RTI = ችࢇڟ܋
RTO = ችࢇڟ܋
BW = 1.57 f
CL
GAIN
(dB)
6dB/OCTAVE
ROLL-OFF
LOOP
GAIN
OPEN-
LOOP
GAIN
CLOSED-
LOOP
GAIN
NOISE
GAIN
CLOSED-LOOP BANDWITH
LOG FREQUENCY
RESISTANCE (𝛀)
10,000
1000
10
1
0
10 1k 100k 10M100 10k 1M 100M
100
e
n
at 25°C
nV
Hz
ُت:
V
R
= ۉፆሀࡪსሯำೕ܈
k = հܻጦதຕ (1.38 × 10
–23
J/K)
T = ܻ࿔ܔ࿒܈
R = ۉፆኵ(Ohms)
B = ټ(Hz)
= 4kTRBV
R
25°C้Lj4kT = 1.65 × 10
–20
W/HzLj
ᅺُLjV
R
= 1.65 × 10
–20
RB
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
常用电容值
pF pF pF pF
µF µF µF µF µF µF µF
1.0 10 100 1000 0.01 0.1 1.0 10 100 1000 10,000
1.1 11 110 1100
1.2 12 120 1200
1.3 13 130 1300
1.5 15 150 1500 0.015 0.15 1.5 15 150 1500
1.6 16 160 1600
1.8 18 180 1800
2.0 20 200 2000
2.2 22 220 2200 0.022 0.22 2.2 22 220 2200
2.4 24 240 2400
2.7 27 270 2700
3.0 30 300 3000
3.3 33 330 3300 0.033 0.33 3.3 33 330 3300
3.6 36 360 3600
3.9 39 390 3900
4.3 43 430 4300
4.7 47 470 4700 0.047 0.47 4.7 47 470 4700
5.1 51 510 5100
5.6 56 560 5600
6.2 62 620 6200
6.8 68 680 6800 0.068 0.68 6.8 68 680 6800
7.5 75 750 7500
8.2 8
2 820 8200
9.1 91 910 9100
助您节省时间的放大器设计参考指南
ڇဣཥڦሏ໙ݣٷഗሯำ
ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ
ۉፆሀࡪსሯำࠅ๕
CLOSED-
LOOP BW
= f
CL
B
A
V
N, R1
R1
R3
4kTR3
4kTR1
V
N, R3
I
N+
I
N–
V
N
4kTR2
V
N, R2
R2
NOISE GAIN =
GAIN FROM
“A” TO OUTPUT
=
NG = 1 +
R2
R1
V
OUT
GAIN FROM
“B” TO OUTPUT
= –
R2
R1
RTI NOISE =
BW ×
V
N
2
+ 4kTR3 + 4kTR1
R2
R1 + R2
2
+ I
N+
2
R3
2
+ I
N–
2
R1 × R2
R1 + R2
2
+ 4kTR2
R
1
R1 + R2
2
RTO NOISE = NG × RTI NOISE
RTI = ችࢇڟ܋
RTO = ችࢇڟ܋
BW = 1.57 f
CL
GAIN
(dB)
6dB/OCTAVE
ROLL-OFF
LOOP
GAIN
OPEN-
LOOP
GAIN
CLOSED-
LOOP
GAIN
NOISE
GAIN
CLOSED-LOOP BANDWITH
LOG FREQUENCY
RESISTANCE (𝛀)
10,000
1000
10
1
0
10 1k 100k 10M100 10k 1M 100M
100
e
n
at 25°C
nV
Hz
ُت:
V
R
= ۉፆሀࡪსሯำೕ܈
k = հܻጦதຕ (1.38 × 10
–23
J/K)
T = ܻ࿔ܔ࿒܈
R = ۉፆኵ(Ohms)
B = ټ(Hz)
= 4kTRBV
R
25°C้Lj4kT = 1.65 × 10
–20
W/HzLj
ᅺُLjV
R
= 1.65 × 10
–20
RB
ڇဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ
ۉፆሀࡪსሯำࠅ๕
CLOSED-
LOOP BW
= f
CL
B
A
V
N, R1
R1
R3
4kTR3
4kTR1
V
N, R3
I
N+
I
N–
V
N
4kTR2
V
N, R2
R2
NOISE GAIN =
GAIN FROM
“A” TO OUTPUT
=
NG = 1 +
R2
R1
V
OUT
GAIN FROM
“B” TO OUTPUT
= –
R2
R1
RTI NOISE =
BW ×
V
N
2
+ 4kTR3 + 4kTR1
R2
R1 + R2
2
+ I
N+
2
R3
2
+ I
N–
2
R1 × R2
R1 + R2
2
+ 4kTR2
R
1
R1 + R2
2
RTO NOISE = NG × RTI NOISE
RTI = ችࢇڟ܋
RTO = ችࢇڟ܋
BW = 1.57 f
CL
GAIN
(dB)
6dB/OCTAVE
ROLL-OFF
LOOP
GAIN
OPEN-
LOOP
GAIN
CLOSED-
LOOP
GAIN
NOISE
GAIN
CLOSED-LOOP BANDWITH
LOG FREQUENCY
RESISTANCE (𝛀)
10,000
1000
10
1
0
10 1k 100k 10M100 10k 1M 100M
100
e
n
at 25°C
nV
Hz
ُت:
V
R
= ۉፆሀࡪსሯำೕ܈
k = հܻጦதຕ (1.38 × 10
–23
J/K)
T = ܻ࿔ܔ࿒܈
R = ۉፆኵ(Ohms)
B = ټ(Hz)
= 4kTRBV
R
25°C้Lj4kT = 1.65 × 10
–20
W/HzLj
ᅺُLjV
R
= 1.65 × 10
–20
RB
ڇဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ
ۉፆሀࡪსሯำࠅ๕
CLOSED-
LOOP BW
= f
CL
B
A
V
N, R1
R1
R3
4kTR3
4kTR1
V
N, R3
I
N+
I
N–
V
N
4kTR2
V
N, R2
R2
NOISE GAIN =
GAIN FROM
“A” TO OUTPUT
=
NG = 1 +
R2
R1
V
OUT
GAIN FROM
“B” TO OUTPUT
= –
R2
R1
RTI NOISE =
BW ×
V
N
2
+ 4kTR3 + 4kTR1
R2
R1 + R2
2
+ I
N+
2
R3
2
+ I
N–
2
R1 × R2
R1 + R2
2
+ 4kTR2
R
1
R1 + R2
2
RTO NOISE = NG × RTI NOISE
RTI = ችࢇڟ܋
RTO = ችࢇڟ܋
BW = 1.57 f
CL
GAIN
(dB)
6dB/OCTAVE
ROLL-OFF
LOOP
GAIN
OPEN-
LOOP
GAIN
CLOSED-
LOOP
GAIN
NOISE
GAIN
CLOSED-LOOP BANDWITH
LOG FREQUENCY
RESISTANCE (𝛀)
10,000
1000
10
1
0
10 1k 100k 10M100 10k 1M 100M
100
e
n
at 25°C
nV
Hz
ُت:
V
R
= ۉፆሀࡪსሯำೕ܈
k = հܻጦதຕ (1.38 × 10
–23
J/K)
T = ܻ࿔ܔ࿒܈
R = ۉፆኵ(Ohms)
B = ټ(Hz)
= 4kTRBV
R
25°C้Lj4kT = 1.65 × 10
–20
W/HzLj
ᅺُLjV
R
= 1.65 × 10
–20
RB
ڇဣཥڦሏ໙ݣٷഗሯำ ۉუݒઍ႙ݣٷഗڦԿ࣍ೕ୲ၚᆌ
ۉፆሀࡪსሯำࠅ๕
CLOSED-
LOOP BW
= f
CL
B
A
V
N, R1
R1
R3
4kTR3
4kTR1
V
N, R3
I
N+
I
N–
V
N
4kTR2
V
N, R2
R2
NOISE GAIN =
GAIN FROM
“A” TO OUTPUT
=
NG = 1 +
R2
R1
V
OUT
GAIN FROM
“B” TO OUTPUT
= –
R2
R1
RTI NOISE =
BW ×
V
N
2
+ 4kTR3 + 4kTR1
R2
R1 + R2
2
+ I
N+
2
R3
2
+ I
N–
2
R1 × R2
R1 + R2
2
+ 4kTR2
R
1
R1 + R2
2
RTO NOISE = NG × RTI NOISE
RTI = ችࢇڟ܋
RTO = ችࢇڟ܋
BW = 1.57 f
CL
GAIN
(dB)
6dB/OCTAVE
ROLL-OFF
LOOP
GAIN
OPEN-
LOOP
GAIN
CLOSED-
LOOP
GAIN
NOISE
GAIN
CLOSED-LOOP BANDWITH
LOG FREQUENCY
RESISTANCE (𝛀)
10,000
1000
10
1
0
10 1k 100k 10M100 10k 1M 100M
100
e
n
at 25°C
nV
Hz
ُت:
V
R
= ۉፆሀࡪსሯำೕ܈
k = հܻጦதຕ (1.38 × 10
–23
J/K)
T = ܻ࿔ܔ࿒܈
R = ۉፆኵ(Ohms)
B = ټ(Hz)
= 4kTRBV
R
25°C้Lj4kT = 1.65 × 10
–20
W/HzLj
ᅺُLjV
R
= 1.65 × 10
–20
RB
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS =
ݛߵ
=
ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
√P
ݴԞ(dB)ࠅ๕(ڪኵፆ)
db = 10 Log = 20 Log
= 20 Log (Gain)
P
OUT
P
IN
I
OUT
I
IN
V
OUT
V
IN
db = 10 Log = 20 Log
= 20 Log (Gain)
P
IN
P
OUT
I
IN
I
OUT
V
IN
V
OUT
Վუഗ
(ืუইუԲ)
ኟ၀ۉუࢅۉୁ
RMS = ݛߵ = ᆶၳኵ
V
RMS
= 0.707 V
PEAK
V
AVE.
= 0.637 V
PEAK
V
PEAK
= 1.414 V
EFF.
V
EFF.
= 1.11 V
AVE.
V
PEAK
= 1.57 V
AVE.
V
AVE.
= 0.9 V
EFF.
౹ఛۨୱ(ୁۉୟ)
زۉፆ
R
TOTAL
= R
1
+
R
2
+
R
3
+ …
ժۉፆ
ଇ߲ۉፆժ
ڪኵۉፆժ
===
N
P
N
S
E
P
E
S
I
S
I
P
Z
P
Z
S
1
+
1
+
1
+ …
R
1
R
2
R
3
1
R
TOTAL
=
R
1
+R
2
R
1
R
2
R
TOTAL
=
ഄዐRྺڪኵۉፆኮᅃڦፆኵLj
Nྺڪኵۉፆڦຕଉ
N
R
R
TOTAL
=
VI
IR
√PR
I
P
I
2
P
P
V
2
I
V
R
V
P
R
V
R
V
2
I
2
R
B.W.
S
R.
(Tuned Circuit)
Q =
Q & Resonant Frequency Formulas
ۉࠅ๕
R
X
L
Figure of Merit
of a Coil
Q =
S
R
=orHz
2π√LC
1
√LC
.159
L =
4π
2
S
R
2
C
1
C =
4π
2
S
R
2
L
1
X
C
=
X
L
= 2π
fL
2π
fC
1
ፆࠅ๕(ز)
Z =
√
R
2
+ X
L
2
(RLز)
Z =
√
R
2
+ X
C
2
(RCز)
Z = X
L
– X
C
(LCز)
Z =
√
R
2
+ (X
L
– X
C
)
2
(RLCز)
Z = V
A
I
ۉუࢅፆࠅ๕(ժ)
Z =
RX
L
(RL) Z =
V
A
√
R
2
+ X
L
2
I
LINE
Z =
RX
C
(RC) V
A
= V
L
= V
C
= V
R
√
R
2
+ X
C
2
Z =
X
L
X
C
(LC) V
A
= I
LINE
Z
X
L
–
X
C
Z =
RX
(RLC)
√
R
2
+ X
2
PI
VR
www.analog.com/zh/amplifiers
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗ
ཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
©2011 Analog Devices, Inc. All rights reserved. P10040-7.5-6/11
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗ
ཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ
ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ
ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
LOAD
GND
V
S
V
REF1
V
REF2
+IN
–IN
I
S
R
S
V
SUPPLY
GAIN FIXED VALUE AS SPECIFIED ON DATA SHEET
ۉୁ֪ݣٷഗ
ݣٷR
S
ฉڦۉუĂᅞV
SUPPLY
DEMOD
SIGNAL
FB
IN–
IN+
IN COM
V
SIG
5V
FS
HI
LO
V
OUT
5V
FS
MOD
ISOLATE V
SIG
SIGNAL FROM V
OUT
V
ISO
UP TO 3500V
߰ݣٷഗ
V
OUT
= V
IN
PWRA
PRAO VGAI
VNEG VPOS VCOM GPOS GNEG
PrA
GAIN CONTROL
INTERFACE
ATTENUATOR
BIAS
R
FBH
R
FBL
V
IN
V
OUT
V
IN
GAIN (dB) = 20log
R
FBH
+ 1
R
FBL
+
50dB
G
POS
– G
NEG
+ 16.5dB
V
Վሺᅮݣٷഗ
႑ࡽݣٷ11000ԠLj
0dB60dBLjᆯV
GAIN
ยዃ
LOAD
GND
V
S
V
REF1
V
REF2
+IN
–IN
I
S
R
S
V
SUPPLY
GAIN FIXED VALUE AS SPECIFIED ON DATA SHEET
ۉୁ֪ݣٷഗ
ݣٷR
S
ฉڦۉუĂᅞV
SUPPLY
DEMOD
SIGNAL
FB
IN–
IN+
IN COM
V
SIG
5V
FS
HI
LO
V
OUT
5V
FS
MOD
ISOLATE V
SIG
SIGNAL FROM V
OUT
V
ISO
UP TO 3500V
߰ݣٷഗ
V
OUT
= V
IN
PWRA
PRAO VGAI
VNEG VPOS VCOM GPOS GNEG
PrA
GAIN CONTROL
INTERFACE
ATTENUATOR
BIAS
R
FBH
R
FBL
V
IN
V
OUT
V
IN
GAIN (dB) = 20log
R
FBH
+ 1
R
FBL
+
50dB
G
POS
– G
NEG
+ 16.5dB
V
Վሺᅮݣٷഗ
႑ࡽݣٷ11000ԠLj
0dB60dBLjᆯV
GAIN
ยዃ
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
V
OUT
= V
IN
V
OUT
V
IN
࣐؋ߛፆ႑ࡽᇸࢅگፆႠሜ
ۉუ߶ໜഗ
V
IN
R
G
R
F
V
OUT
ݣٷժݒገ
ཞ၎႑ࡽݣٷ
ݒ၎ሏ໙ݣٷഗཞ၎ሏ໙ݣٷഗ
ݣٷଇ߲ۉუኮֶĂᅞࠌఇۉუ
ۉუ݆ഗ0ֶۯݣٷഗ
V
A
V
B
R
1
R
1
R
2
V
OUT
R
2
V
CM
ܠ߲ۉუ൱ࢅ
ۉუ݆ഗ
گཚ୳հഗ0ݴഗ
၌႑ࡽټ
ߛཚ୳հഗ0ྲݴഗ
ֶݴݣٷഗ ᅏݣٷഗ
ֶٗݴڇ܋႑ࡽᇸൻۯֶݴADC
ݣٷگۉೝֶݴ႑ࡽĂᅞࠌఇ႑ࡽ
R
F
R
F
R
G
R
G
V
OUT
V
OUT
diff
=
R
F
V
IN
R
G
V
OUT
V
OCM
–V
IN
+V
IN
V
REF
OUT
10k𝛀
10k𝛀
24.7k𝛀
10k𝛀
10k𝛀
R
G
V
CM
V
OUT
= 1 +
2 × 24.7k𝛀
V
IN
+ V
REF
R
G
߰Ăݣٷୁ႑ࡽ
V
IN
V
OUT
R
1
C
R
F
t = RC = R
F
C
V
OUT
=
V
IN
–R
F
×
1
R
1
R
F
C
S
+ 1
C
IN
R
IN
V
OUT
V
IN
V
IN
R
F
V
OUT
=
V
IN
–R
F
×
R
IN
C
S
R
IN
R
IN
C
S
+ 1
V
A
V
C
V
B
V
OUT
R
1
R
2
R
3
R
F
V
N
R
N
V
OUT
R
G
R1'
R1
R2'
R2
R3'
+
+
+
V
OUT
=V
SIG
1 +
2R1
R
G
R3
R2
IF R2 = R3, G =
1 +
2R1
R
G
~~
~~
~~
V
CM
+
+
V
SIG
2
V
SIG
2
A1
A2
A3
×
LOAD
GND
V
S
V
REF1
V
REF2
+IN
–IN
I
S
R
S
V
SUPPLY
GAIN FIXED VALUE AS SPECIFIED ON DATA SHEET
ۉୁ֪ݣٷഗ
ݣٷR
S
ฉڦۉუĂᅞV
SUPPLY
DEMOD
SIGNAL
FB
IN–
IN+
IN COM
V
SIG
5V
FS
HI
LO
V
OUT
5V
FS
MOD
ISOLATE V
SIG
SIGNAL FROM V
OUT
V
ISO
UP TO 3500V
߰ݣٷഗ
V
OUT
= V
IN
PWRA
PRAO VGAI
VNEG VPOS VCOM GPOS GNEG
PrA
GAIN CONTROL
INTERFACE
ATTENUATOR
BIAS
R
FBH
R
FBL
V
IN
V
OUT
V
IN
GAIN (dB) = 20log
R
FBH
+ 1
R
FBL
+
50dB
G
POS
– G
NEG
+ 16.5dB
V
Վሺᅮݣٷഗ
႑ࡽݣٷ11000ԠLj
0dB60dBLjᆯV
GAIN
ยዃ
LOAD
GND
V
S
V
REF1
V
REF2
+IN
–IN
I
S
R
S
V
SUPPLY
GAIN FIXED VALUE AS SPECIFIED ON DATA SHEET
ۉୁ֪ݣٷഗ
ݣٷR
S
ฉڦۉუĂᅞV
SUPPLY
DEMOD
SIGNAL
FB
IN–
IN+
IN COM
V
SIG
5V
FS
HI
LO
V
OUT
5V
FS
MOD
ISOLATE V
SIG
SIGNAL FROM V
OUT
V
ISO
UP TO 3500V
߰ݣٷഗ
V
OUT
= V
IN
PWRA
PRAO VGAI
VNEG VPOS VCOM GPOS GNEG
PrA
GAIN CONTROL
INTERFACE
ATTENUATOR
BIAS
R
FBH
R
FBL
V
IN
V
OUT
V
IN
GAIN (dB) = 20log
R
FBH
+ 1
R
FBL
+
50dB
G
POS
– G
NEG
+ 16.5dB
V
Վሺᅮݣٷഗ
႑ࡽݣٷ11000ԠLj
0dB60dBLjᆯV
GAIN
ยዃ
LOAD
GND
V
S
V
REF1
V
REF2
+IN
–IN
I
S
R
S
V
SUPPLY
GAIN FIXED VALUE AS SPECIFIED ON DATA SHEET
ۉୁ֪ݣٷഗ
ݣٷR
S
ฉڦۉუĂᅞV
SUPPLY
DEMOD
SIGNAL
FB
IN–
IN+
IN COM
V
SIG
5V
FS
HI
LO
V
OUT
5V
FS
MOD
ISOLATE V
SIG
SIGNAL FROM V
OUT
V
ISO
UP TO 3500V
߰ݣٷഗ
V
OUT
= V
IN
PWRA
PRAO VGAI
VNEG VPOS VCOM GPOS GNEG
PrA
GAIN CONTROL
INTERFACE
ATTENUATOR
BIAS
R
FBH
R
FBL
V
IN
V
OUT
V
IN
GAIN (dB) = 20log
R
FBH
+ 1
R
FBL
+
50dB
G
POS
– G
NEG
+ 16.5dB
V
Վሺᅮݣٷഗ
႑ࡽݣٷ11000ԠLj
0dB60dBLjᆯV
GAIN
ยዃ
1%精度的电阻阻值范围为10.0到1.00M(另也有1.10 M、1.20 M、1.30 M、1.50 M、1.60 M、1.80 M、2.00 M和2.20 M)。
下表列出了最常用容差(1%)的标准基本电阻值，以及可用的典型阻值范围。要确定基本值以外的其它电阻值，请将其乘以10、100、1000或
10,000。
常用1%电阻值
10.0 10.2 10.5 10.7 11.0 11.3 11.5 11.8 12.1 12.4 12.7 13.0
13.3 13.7 14.0 14.3 14.7 15.0 15.4 15.8 16.2 16.5 16.9 17.4
17.8 18.2 18.7 19.1 19.6 20.0 20.5 21.0 21.5 22.1 22.6 23.2
23.7 24.3 24.9 25.5 26.1 26.7 27.4 29.0 28.7 29.4 30.1 30.9
31.6 32.4 33.2 34.0 34.8 35.7 36.5 37.4 38.3 39.2 40.2 41.2
42.2 43.2 44.2 45.3 46.4 47.5 48.7 49.9 51.1 52.3 53.6 54.9
56.2 57.6 59.0 60.4 61.9 63.4 64.9 66.5 68.1 69.8 71.5 73.2
75.0 76.8 78.7 80.6 82.5 84.5 86.6 88.7 90.9 93.1 95.3 97.6
