CXA3219M
UHF-Band RF Modulator for VCR
Description
The CXA3219M is a UHF-band RF modulator which
converts the frequency of audio and video signals.
Some circuits which comprise this IC are a UHF
oscillator video clamp, white clip, video modulator,
audio FM modulator and an intercarrier SW.
Features
•
Low voltage of 5V
•
Wide bandwidth 470 to 750MHz
•
UHF oscillator greatly reduces external parts
•
Sharp white clip circuit
•
Built-in voltage regulator can accept large fluctuation
of supply voltage
•
Video input of 0.5Vp-p for general-purpose use
•
Mixer simplifies RF unit design
•
Picture/sound ratio is adjustable with external parts
•
Intercarrier switch
Structure
Bipolar silicon monolithic IC
Block Diagram and Pin Configuration
ANALOG V
CC
OSC GND
16 pin SOP (Plastic)
Applications
PAL system VCR
Absolute Maximum Ratings
Supply voltage
V
CC
7
V
Operating temperature
Topr –20 to +75 °C
Storage temperature
Tstg –55 to +150 °C
Allowable power dissipation P
D
350
mW
•
•
•
•
Recommended Supply Voltage Range
Supply voltage
V
CC
5.0 ± 0.5
V
RF-OUT
OSC V
CC
OSC4
OSC3
16
15
14
13
OSC2
10
7
12
11
AMP
VIDEO
MIXER
UHF
OSC
FM-OSC
W/C-CLAMP
REG
1
2
3
4
5
6
Audio-in
T1/T2-SW
FM-Tank
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
ANALOG-GND
–1–
FM-Tank
Video-in
PS-ADJ
REG
OSC1
9
8
E97X19-PS
SONY [ SONY CORPORATION ]
