50907 MS PC B8-5342, B8-4784 No.A0794-1/7
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
LA3883M
Overview
The LA3883M is a signal processing IC for car TV systems, which incorporates TV SIF, noise canceller, and sound
multiplex demodulator on a single chip.
Functions
[SIF block]
OSC circuit built-in.(f = 43.55MHz)
MIXER
Differential IF amplifier
IF limiter amplifier
S meter output 6-phase pick-up.
Quadrature type detector
AF pre-amplifier
Small input muting
SD output (operating with remote mute)
Independent setting of noise focused point and mute start point.
Noise canceller block
Twin pulse noise elimination
main pulse noise elimination
Sub pulse noise elimination
Diversity switching noise elimination
[Sound multiplex demodulation block]
Stereo/bilingual supported
SNC/HCC
Q-BPF, SUB-BPF, and DE-EMPHASIS built-in.
Q signal detection function 922.5Hz(BIL), 982.5Hz(ST) detection
SUB signal demodulation function pulse count detection
MAIN/SUB/DUAL output signal switching function
STEREO/BILINGUAL display output
MUTE function
MRC(Multi pass noise Reduction Circuit)built-in.
Monolithic Linear IC
For Car television
SIF + noise canceller +Japanese television
sound multiplex demodulator.
Ordering number : ENA0794