Pin
No.
Symbol
16 UOSCB1
17 UOSCE1
20 UOSCE2
21 UOSCB2
6, 7
18 19
GND
Pin voltage
typ. (V)
3.5
3.3
3.0
2.5
3.0
2.5
3.5
3.3
0
5.8
22 PLLOUT
5.7
0
23 BANDSW
3.0
24 IFOUT
Under VHF
operation : 4.5
Under UHF
operation : 4.5
CXA3025N
Equivalent circuit
21 20 17 16
Description
UHF oscillators.
VCC
3
30
22
3.2k
GNDs.
PLL IC oscillator output.
VCC
3
900
1.6k
23
20k
Band switching. UHF operation
when 3V or more voltage is
applied externally, and VHF
operation when OPEN or 0.5V
or less voltage is applied.
VCC
3
47
24
IF output.
–3–