AR9331的资料 pcb和原理图

2.Delete R3, R210, R206, C158, C159, C165, C166, R207, R11, R209, C35

3.Change C3 from 27pF to 10pF, change C4 from 33pF to 10pF, change C66 C67 from 1.5pF to 10pF,

change C65 from 1.2pF to 1pF, change C68 C69 C70 C71 from 1.2pF to 2pF, change L1 L2 from 3nH to 2nH, change L18 L20 from 1.5nH to 2.0nH,

change C97 from 2pF to 1pF, change C177 from No Load to 0.75pF, change C89 C90 from 4.7pF to 10pF, change L5 L6 from 2.2nH to 2.0nH,

change C91 C92 from 1.5pF to 1.2pF, change C93 from No Load to 1pF, change L14 from 4.7uH to 15uH, change L22 from 4.7uH to 10uH,

change C157 C143 from 390pF to 3.9nF, change R201 from No Load to 6.81K, change R166 from 16.2K to 26.1K, change R168 from 5.1K to 10K,

change C144 from 10pF to 10nF, change R149 from 5.1K to 10K, change C167 from 33pF to No Load, change C27 from 0.01uF to 0.1uF,

change R9 from 10K to No Load, change R12 from 100K to No Load, change C55 from 1uF to 22uF, change C152 from 10uF to 22uF,

change C72 from No Load to 1pF, change C30 from 4.7uF to 10uF, change R5 from 56K to 10K

1.Change R4 R64 R65 R189 R194 R196 R198 R214 from 56K to 10K, change R188 from 56K to No Load, change R187 from No Load to 10k,

change R12 from 1uf to 0.22uf, change R215 from 56K to No Load, change C68 C69 from 2.0pf to 1.8pf, change C65 from 0.75pf to 0.5pf,

change L17 L19 from 4.7nh to 3.6nh, change C97 from 1pf to 1.5pf, change L5 L6 from 2.0nh to 2.2nh

2.Remove C93 C117

1.Add L21, C204

2.Remove C34

3.Change R92 from 330 ohm to 270 ohm, change C187 from 10K to No Load, change C188 from No Load to 10K, change C74 from 10pF to 0.75pF,

change C75 from No Load to 6.8nH, change C94 from No Load to 0.5pF, change C95 from 10pF to 2.7nH

1.Del L21, TP8, TP10, TP11, TP12, TP13, C176, C177, C20

2.Change C54 from 1uf/0402 to 10pf/0201, change C97 from 1.5pf to 1.2pf, change C144 C129 from 0.01uf to 0.1uf, change C143 C157 from 3900pf to 3300pf,

change R201 from 6.18K to 12K, change R210 from 12K to 20K, change R166 from 26.1K to 71.5K, change R168 from 10K to 22K, L17 L19 from 4.7uH to 3.9nH

change R148 from 45.3K to 62K, change R149 from 10K to 11.8K, Change L15 L16 from 10nH to 4.7nH, change C68 C69 C70 C71 C91 C92 from 1pF to 1.2pF,

change C89 C90 from 10pF to 3.9pF, change C21 from 1uF to 1nF, change C93 from No Load to 0.75pF, change C204 from 1nF to 1uF,

change L18 L20 from 2.0nH to 1.8nH, change C181 C182 from 10pF to 0.1uF

3.Add C31, C34, C35, L21, L23

1. update U1 symbol

C33

0.01uF

25V

+/-10%