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CXA3219M データシートの表示(PDF) - Sony Semiconductor
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CXA3219M
UHF-Band RF Modulator for VCR
Sony Semiconductor
CXA3219M Datasheet PDF : 15 Pages
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Pin Description and Equivalent Circuit
Pin
No.
Symbol
1 GND1
Typical pin
voltage [V]
Equivalent circuit
2 P/S ADJ
1.8
2
740
11.4k
3 T1/T2 SW
2.4
4 REG OUT
4.1
53.8k
3
37.6k
75k
4
12.5k
CXA3219M
Description
GND for RF/audio.
P/S adjustment (Adding a
capacitor between Pin 2 and
GND increases P/S ratio.)
Video modulation depth
adjustment (Adding a resistor
between Pin 2 and GND
increases the modulation
depth; adding a resistor
between Pins 2 and 4
decreases the modulation
depth.)
T1/T2 SW.
T1 for GND.
T2 for OPEN.
Regulator output.
5 AUDIO IN
0
22.5k
6 TANK1
3.1
6
6.4k
1.6k
Audio input.
5
5.5MHz audio tank coil
connection.
–2–
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