Pin
Pin
Symbol
No.
voltage
3.3 V
34
HP (at no
signal)
Equivalent circuit
VCC
10 k
34
VCC
VCC
60 k
CXA1871S
Description
H pulse input pin. Inputs a 3 to 5 Vp-p
signal via a capacitor.
35 J GND —
36 CERA 2.3 V
VCC
VCC
330
36
VCC
10 k
28 k
Jungle system (H/V) GND pin.
Connect a 32 fh (503.5 kHz) ceramic
oscillator.
37 AFC 3.2 V
VCC
37
VCC
VCC
46 k
1.2 k
AFC lag-lead filter CR connection pin.
38 IREF 2.6 V
VCC
150
38
20 k
Connect a 15 kΩ resistor between this
pin and GND.
—9—