an3275sb Panasonic Corporation of North America, an3275sb Datasheet - Page 15

• Manufacturer Part Number: an3275sb
• Description: Cm Detection Ic For Vcrs In The North American Market
• Manufacturer: Panasonic Corporation of North America

ICs for VCR
Sound
Video
System example
IC application circuit example
Application Circuit Example
Clamp
black detection
AN3275SB
Low sound
CLR pulse
detection
Amp. 2
Video
H mask
LPF
H-WD
Clamp
H-DL
MM3
MM4
LPF3
BP
Non-audio
Amp.
detect
CA
V mask H mask
Sync.
sepa.
CA processor
MA
ROM, RAM
A/D
Black video
detect
CA
VCR microcontroller
Audio 1
Latch 2
E/V mask
MA
V-sync.
Serial bus
sepa.
E/V mask
Counter
CA
Video 1
Latch 2
Microcontroller
MM2
V-WID
MA
MM1
V-DL
Mix.
Counter
V mask
ENV mask
E/V mask
ENV detector
AN3275SB
To CLT head
To survo/timer
To front panel
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