CXA3185/3186N
Pin
No.
Pin voltage
(V)
Symbol
MS
Equivalent circuit
Description
Frequency step mode
VCC2
1.5
selection. Five modes can be
12
13
14
15
16
120k
50k
(when open) selected according to the
applied voltage.
2.3
VHF input.
(VHF)
VHFin
UHFin1
UHFin2
VOSC1
The input format is unbalanced
0
13
12
input.
(UHF)
0
14
15
(VHF)
2.3
(UHF)
0
UHF input.
The input method can be
selected from balanced input
or unbalanced input.
3k
3k
(VHF)
2.3
(UHF)
3.0
18
600
16
(VHF)
3.1
8
VCC1
8p
50
(UHF)
3.5
External resonance circuit
3k
connection for VHF oscillator.
(VHF)
5.0
3k
15p
18
17
19
VOSC2
GND
(UHF)
—
GND
3.2
(VHF)
2.9
UOSCB1
(UHF)
—
19
20
21
22
(VHF)
2.4
VCC1
20
21
22
UOSCE1
UOSCE2
UOSCB2
3k
(UHF)
—
External resonance circuit
connection for UHF oscillator.
(VHF)
2.4
3k
(UHF)
3.2
(VHF)
2.9
(UHF)
—4—
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