LA74200W - Brand New Murata Electronics IC Chips
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Overview
The LA7425 is a single-chip video signal processing IC for use in VHS format VCR products. The number of required adjustments has been reduced to a single adjustment by IC chip internal trimming. The incorporation of a playback equalizer and other circuits on chip provides a significant reduction in external components and thus significantly reduces the cost of manufacturing the signal processing printed circuit board. This product can also support simplified S-VHS playback, which is becoming a standard feature in VCR products in the Japanese market.
Features
• Only one adjustment point (comb filter phase adjustment) (The AGC, carrier, deviation and PB-Y level are adjustment free.) (If an LA7411/16 is used as the head amplifier, the Y/C record current will also be adjustment free.)
• Simplified S-VHS playback support
— Built-in S-VHS discrimination circuit
— Built-in equalizer switch
— Automatic demodulator gain switching
— Internal automatic de-emphasis characteristics switching
• Only a minimal number of external components required (85 components: This corresponds to a 38% reduction over previous Sanyo products ... CNR and SQPB not handled, and REC EQ not included.) Components newly incorporated on chip:
— Playback equalizer (include chroma trap), limiter balance filter, capacitor and resistor for detail enhancer, record chroma 7.8 MHz trap, playback chroma LPF, ACC filter
• High performance/multifunctionality
Linear phase type picture controller Double high-pass noise canceller, high- speed AFC, DCC New built-in functions
— FM AGC, synchronization detection circuit, linear control circuit for high- pass noise canceller, playback mode Y/C separator output, chroma noise canceller
• Single CCD system
The LA7425 supports the following functions with the addition of only a single CCD (1H delay) device: comb filter, YNR, DOC and chroma crosstalk cancellation.
Thus the cost of external components is lowered.
• Full HQ support (YNR, CNR, detail enhancer and WCL up) -
Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
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- - EMS: 10-15 business days
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Popular parts of the same kind
- Datasheet: Download LA74200W
- Chipdatas Part: CD93-LA74200W
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 06:39 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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