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Part Name(s) : LA75503V SANYO
SANYO -> Panasonic
Description : FOR PAL TV/VCR ADJUSTMENT FREE VIF/SIF SIGNAL PROCESSING IC View

Overview
The LA75503V is an ADJUSTMENT FREE VIF/SIF SIGNAL PROCESSING IC FOR PAL TV/VCR. It supports 38MHz, 38.9MHz, and 39.5MHz as the IF frequencies, as well as PAL sound multi-system (M/N, B/G, I, D/K), and contains an on-chip sound carrier trap and sound carrier BPF. To adjust the VCO circuit, AFT circuit, and sound filter, 4MHz external crystal or 4MHz external SIGNAL is needed.

Features
• Internal VCO ADJUSTMENT FREE circuit eliminating need FOR VCO coil ADJUSTMENTs.
• Internal sound carrier BPF and sound carrier trap enable easy configuration of PAL sound multi-system at low cost.
• Considerably reduces the number of required peripheral parts.
• Use of digital AFT eliminates problem of AFT tolerance.
• Package: SSOP30 (275 mil)

Functions
• VIF amplifier
• VCO ADJUSTMENT FREE PLL detection circuit
• Digital AFT circuit
• RF AGC
• Buzz canceller
• Equalizer amplifier
• Internal sound carrier BPF
• Internal sound carrier trap
• PLL-FM detector
• Reference oscillation circuit

Part Name(s) : LA75503V_01 SANYO
SANYO -> Panasonic
Description : ADJUSTMENT FREE VIF/SIF SIGNAL PROCESSING IC FOR PAL TV/VCR View

Overview
The LA75503V is an ADJUSTMENT FREE VIF/SIF SIGNAL PROCESSING IC FOR PAL TV/VCR.
It supports 38 MHz, 38.9 MHz, and 39.5 MHz as the IF frequencies, as well as PAL sound multi-system (M/N, B/G, I, D/K), and contains an on-chip sound carrier trap and sound carrier BPF. To adjust the VCO circuit, AFT circuit, and sound filter, 4-MHz external crystal or 4-MHz external SIGNAL is needed.

Features
• Internal VCO ADJUSTMENT FREE circuit eliminating need FOR VCO coil ADJUSTMENTs.
• Internal sound carrier BPF and sound carrier trap enable easy configuration of PAL sound multi-system at low cost.
• Considerably reduces the number of required peripheral parts.
• Use of digital AFT eliminates problem of AFT tolerance.
• Package: SSOP30 (275 mil)

Functions
• VIF amplifier
• VCO ADJUSTMENT FREE PLL detection circuit
• Digital AFT circuit
• RF AGC
• Buzz canceller
• Equalizer amplifier
• Internal sound carrier BPF
• Internal sound carrier trap
• PLL-FM detector
• Reference oscillation circuit

Part Name(s) : LA75501 SANYO
SANYO -> Panasonic
Description : MonolithIC Linear IC FOR Use in TV/VCR ApplICations VIF/SIF SIGNAL PROCESSING IC View

Overview
The LA75501 is an ADJUSTMENT FREE VIF/SIF SIGNAL PROCESSING IC FOR PAL TV/VCR. It supports 38MHz, 38.9MHz, and 39.5MHz as the IF frequencies, as well as PAL sound multi-system (M/N,B/G, I, D/K), and contains an on-chip sound carrier trap and sound carrier BPF. To adjust the VCO circuit, AFT circuit, and sound filter, 4MHz external crystal or 4MHz external SIGNAL is needed.

Function
•VIF Block:  VIF Amplifier, PLL Detector, IF AGC, RFAGC, Equalizer, amplifier, Buzz Canceller, SIF Trap, Digital AFT, FLL, 4MHz X’tal oscillation
•1st SIF Block:  1st SIF Amplifier, 1st SIF Detector, 1st SIF AGC
•SIF Block:  Limiter Amplifier Down Converter,PLL FM Detector SIF PLL SIF VCO, SIF BPF
•Others:  IF SW (38.9MHz, 38MHz), SIF4 System SW (B/G, I, D/K, M/N), IFAGC 2nd filter

Part Name(s) : LA7566 SANYO
SANYO -> Panasonic
Description : VIF/SIF IF SIGNAL-PROCESSING Circuit with TV/VCR PAL and NTSC Multisound Support View

Overview
The LA7566 is a VIF/SIF IC that supports PAL and NTSC multisound and that adopts a semi-ADJUSTMENT-FREE system. To simplify ADJUSTMENT, the VIF block adopts a technique in whICh AFT ADJUSTMENT is no longer required by VCO ADJUSTMENT. The SIF block supports audio multidetection by adopting a PLL detection technique. The SIF block provides 4 inputs with IC internal switching FOR easy design of multi-sound systems. Additionally, these switches can also be used FOR video system sound trap switching. The LA7566 also includes a buzz canceller that suppresses Nyquist buzz to achieve improved audio quality.

Features
• No coils are used in the AFT and SIF blocks, making these circuits ADJUSTMENT FREE.
PAL / NTSC multisound system can be constructed easily.
• Built-in buzz canceller FOR excellent audio perFORmance

Functions
[VIF Block]
    • VIF amplifier • PLL detector • BNC • RF AGC
    • EQ amplifier • AFT • IF AGC • Buzz canceller
[First SIF Block]
    • First SIF amplifier • First SIF detector • AGC
[SIF Block]
    • Multiple input switch • Limiter amplifier • PLL FM detector


Part Name(s) : LA7567B LA7567BM SANYO
SANYO -> Panasonic
Description : MonolithIC Linear IC FOR TV VTR PAL / NTSC Multi-sound correspondence VIF / SIF IF SIGNAL PROCESSING circuit View

MonolithIC Linear IC FOR TV · VTR PAL / NTSC Multi-sound correspondence VIF / SIF IF SIGNAL PROCESSING circuit

LA7567B, 7567BM is a VIF / SIF IC of PAL / NTSC multi-sound correspondence that employs a semi-FREE ADJUSTMENT method. The VIF part, VCO tone Adopts a method of AFT ADJUSTMENT is not required by an integer, thus simplifying the ADJUSTMENT can be achieved. To FM detection, the voICe adopted a PLL detection method It aimed at the correspondence of a multi-detection. Also it has a built-in SIF converter, multi-system compatible design becomes easy. Power supply voltage, MaRuchi is a media-5V. In addition to these, a built-in buzz canceller to suppress Nyquist buzz, have also realized a higher sound quality.
From LA7567N / NM, video S / N, audio S / N, have improved the video amplitude.

Features
• AFT, is a non-adjusted without the coil of the SIF.
• The PAL / NTSC multi-sound system can be easily configured.
• Since the buzz canceller has a built-in voICe of the perFORmance is good.
· VCC = 5V low power consumption 250mW

Part Name(s) : LA75525AVA SANYO
SANYO -> Panasonic
Description : FOR TV and VCR sets VIF/SIF SIGNAL-PROCESSING IC View

Overview
The LA75525AVA is a completely ADJUSTMENT-FREE NTSC VIF/SIF SIGNAL-PROCESSING IC FOR TV sets and VCRs. It supports IF frequencies of 45.75MHz. It integrates an automatIC ADJUSTMENT circuit FOR the VCO, an AFT circuit, and an audio carrier trap circuit on the same chip and requires the input of either a 4MHz or 3.58MHz reference SIGNAL.

Functions
• VIF block: VIF amplifier, buzz canceller, IF-VCO, PLL detector, IF-AGC, RF-AGC, digital AFT, equalizer amplifier
• 1stSIF block: 1stSIF amplifier,1stSIF detector
• SIF block: Limiter amplifier, PLL FM detector
• Others: reference frequency changeover SW, AFT mute voltage SW

Part Name(s) : LA75501V SANYO
SANYO -> Panasonic
Description : MonolithIC Linear IC FOR Use in TV/VTR ApplICations VIF/SIF SIGNAL PROCESSING IC View

Overview
The LA75501V is an ADJUSTMENT FREE VIF/SIF SIGNAL PROCESSING IC FOR PAL TV/VCR. It supports 38MHz, 38.9MHz, and 39.5MHz as the IF frequencies, as well as PAL sound multi-system (M/N,B/G, I, D/K), and contains an on-chip sound carrier trap and sound carrier BPF. To adjust the VCO circuit, AFT circuit, and sound filter, 4MHz external crystal or 4MHz external SIGNAL is needed.

Function
•VIF Block:  VIF Amplifier, PLL Detector, IF AGC, RFAGC, Equalizer, amplifier, Buzz Canceller, SIF Trap, Digital AFT, FLL, 4MHz X’tal oscillation
•1st SIF Block:  1st SIF Amplifier, 1st SIF Detector, 1st SIF AGC
•SIF Block:  Limiter Amplifier Down Converter,PLL FM Detector SIF PLL SIF VCO, SIF BPF
•Others:  IF SW (38.9MHz, 38MHz), SIF4 System SW (B/G, I, D/K, M/N), IFAGC 2nd filter

Part Name(s) : LA7567EV SANYO
SANYO -> Panasonic
Description : TV and VCR VIF/SIF IF SIGNAL-PROCESSING Circuit with PAL/NTSC Multi-FORmat Audio Support View

Overview
The LA7567EV is PAL/NTSC multi-FORmat audio VIF/SIF IF ICs that adopt a semi-ADJUSTMENT-FREE system. The VIF block adopts a technique that makes AFT ADJUSTMENT unnecessary by adjusting the VCO, thus simplifying the ADJUSTMENT steps in the manufacturing process. PLL detection is adopted in the FM detector to support multi-FORmat audio detection. A built-in SIF converter is included to simplify multi-FORmat system designs. A 5V power-supply voltage is used to match that used in most multimedia systems. In addition, these ICs also include a buzz canceller to suppress Nyquist buzz and provide high audio quality. The LA7567EV feature improvements over the LA7567N and LA7567NM in the audio and video SIGNAL-to-noise ratios and the video SIGNAL.

Functions
• VIF block: VIF amplifier, PLL detector, BNC, RF AGC, EQ amplifier, AFT, IF AGC, buzz canceller.
• First SIF block: first SIF, first SIF detector, AGC.
• SIF block: multi-FORmat SIF converter, limiter amplifier, PLL FM detector.

Features
• No AFT or SIF coils are required, making these circuits ADJUSTMENT FREE.
• A PAL/NTSC multi-FORmat audio system can be constructed easily.
• Built-in buzz canceller FOR excellent audio perFORmance.
• VCC = 5V, low power dissipation (250mW)

Part Name(s) : LA75520K SANYO
SANYO -> Panasonic
Description : IF SIGNAL PROCESSING (VIF+SIF) IC that Supports the PAL Video Standard FOR TV Sets and VCRs View

Overview
The LA75520K is a fully ADJUSTMENT-FREE VIF + SIF SIGNAL PROCESSING IC FOR TV sets and VTRs that supports the PAL video standard. It supports 38.0MHz, 38.9MHz, and 39.5MHz as the IF frequencies, as well as PAL sound multi-system (M/N, B/G, I and D/K), and contains an on-chip sound carrier trap. The IC employs a 4MHz frequency (whICh can be switched to 4.43MHz) as the reference frequency of the ADJUSTMENT FREE circuit, and controls the VCO, AFT, and sound filter using an external input SIGNAL.

Features
• Internal VCO ADJUSTMENT FREE circuit eliminating the need FOR an external VCO coil.
• Internal sound carrier trap enables easy configuration of PAL sound multi-system at low cost.
• Considerably reduces the number of required peripheral parts.
• Use of digital AFT eliminates a problem of AFT tolerance.
• Package: DIP24S (300mil)

Functions
• VIF amplifier
ADJUSTMENT-FREE VCO and PLL detector circuit
• Digital AFT circuit
• RF AGC
• Buzz canceller
• EQAMP
• Internal sound carrier trap
• First SIF detector circuit
• PLL-FM detector circuit

 

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