AD9875_EvalBoard_Schematic| Application Note
A
B
C
D
P3
1 U4 R15 RX0 RX1 RX2 RX3 RX4 RX5 RXSYNC RXCLK 2 CLKB 3 1 19 JP2 R5 3VDD 10K OE1 OE2 74LCX541 2 3 4 5 6 7 8 9 I0 I1 I2 I3 I4 I5 I6 I7 O0 O1 O2 O3 O4 O5 O6 O7 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 33 16 15 14 13 12 11 10 9
SCLK CS_9875 SDI SDO
CLKA
1
33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1
34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2
CS_8400 FLAG1 FLAG0 SWRITE SDIO
1
RX_CONN
3VDD;20 GND; 10
2 R99 2 3 4 5 6 7 8 9 I0 I1 I2 I3 I4 I5 I6 I7 U6 R16 10K O0 O1 O2 O3 O4 O5 O6 O7 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 33 10K 1 19 OE1 OE2 74LCX541 JP1 1 TX_CONN 3VDD 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 TXQUIET DGAIN 2 3VDD;20 GND; 10 16 15 14 13 12 11 10 9
2
R1
3
3 U2 R17 DTX5 DTX4 DTX3 DTX2 DTX1 DTX0 DTXCLK DTXSYNC ADCSNS 2 3 4 5 6 7 8 9 I0 I1 I2 I3 I4 I5 I6 I7 O0 O1 O2 O3 O4 O5 O6 O7 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 33 1 19 OE1 OE2 74LCX541 16 15 14 13 12 11 10 9 GAIN TX5 TX4 TX3 TX2 TX1 TX0 TXSYNC
R11
10K
START
P1
R19 10K
R33 1 2 3 4 5 6 7 8 51 16 15 14 13 12 11 10 9 R3 3VDD;20 GND; 10 R98 4 10K 10K
4
B0.3
1
A B C D
2-8-2001_16:04
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