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RX IF/BBA WITH GPS
TEST CIRCUIT
S1M8662A (Preliminary)
10uF 10uF 10uF
4-Bit
25
Q_Outpu DAC
t
26
27
VDDM
28
10nF
29
4-Bit
30
I_Output DAC
31
32
1
S1M8662A
GND SLUG
1nF 1nF
17
10nF
16
VDDA
47pF
15
10K
14
10K Vtune
13
47pF
VIOffset
10K
1nF
12
VQOffset
11
VDDA
10nF
10
VDDA
10nF
9
TCXO_out
1K
2.3nH
1K
VDDA
2.3nH
SPI_STB : Serial Interface Strobe
SPI_CLK : Serial Interface Clock
SPI_DATA : Serial Interface Data
Vcont
Vif
Figure 12. Test Circuit
21