CXA1742Q
Block Diagram and Pin Configuration
(Top View)
30
29
28
27
26
25
24
23
22
21
XTALIN
XTALOUT
AGCPS
VREF
20
19
18
17
16
15
14
13
12
T4 31
RF AMP
PSN
PSN
T5
32
33
34
35
36
37
38
39
40
MIXER
VCC1
GND1
T6
1/
2
OSC
BPF0
BPF1
RSSIPS
AGC
FADJ1
FADJ2
T2
RSDETPS
T1
RSSI
SGND
BPFPS1
BPFPS2
BIAS
LIM
DET
GND2
11 VCC2
10
1
2
3
4
5
6
7
8
9
Note) Pins 21 and 25 are connected via the IC internal wiring.
Pins 12, 21 and Pins 25, 34 are connected via IC internal resistors.
When designing a PCB, ensure that all GND pins of IC are connected to the GND on PCB with its
connection wiring distance minimized.
—2—