Sanyo EP58B specifications LA79106V, LV4512V

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Tuner IC

LA79106V

Overview

The LA79106V is a voltage synthesized tuner IC that integrates mixers for three bands (VHF (low), VHF (high), and UHF) and an oscillator circuit on a single chip.

Functions

Double balanced mixer (base input): VHF (low)

Double balanced mixers (emitter input): VHF (high) and UHF

Lo output pin

Built-in mixer and oscillator regulator

Supply voltage: VCC = 5 V

Package: SSOP24 (275 mil)

Block Diagram

UOSC1

VLOSC1

UOSC2

VLOSC2

UOSC3

VHOSC1

UOSC4

VHOSC2

VHOSC3

GND

IFOUT1

IFOUT2

24

23

22

21

20

19

18

17

16

15

14

13

 

 

 

VHFL

 

UHF

 

VHFH

 

 

 

 

 

 

 

 

 

 

 

 

REG

 

 

 

1

2

3

4

5

6

7

8

9

10

11

12

IFT1

IFT2

GND

UIN1

UIN2

VLIN

VHIN1

VHIN2

CC

OSCOUT1

OSCOUT2

BANDSW

V

Tuner IC

LV4512V

Overview

The LV4512V integrates local oscillator circuits for the VHF and UHF bands, mixers, an IF amplifier, and a PLL circuit for tuning on a single chip. It is controlled using an I2C bus.

Functions

PLL circuit for tuning

I2C bus control

Frequency steps (31.25, 50, and 62.5 kHz when a reference frequency of 4 MHz is used)

Four on-chip Banol switches

Can be controlled at any one of four I2C bus addresses

Supply voltage: VCC = 5 V

Package: SSOP30 (275mil)

Block Diagram

3

 

4MOSC

CPO

 

 

REG3

IFOUT

GND2(PLL)

2(PLL)

UOSCB2

UOSCE2

UOSCE1

UOSCB1

VOSCC2

GND1B

VOSCC1

CC

 

 

CPE

CC

V

 

 

V

30

 

29

28

 

27

26

25

24

23

22

21

20

19

18

17

16

 

 

Ref OSC

Lock

 

Charge

Pump

 

3V MOS

REG

 

UHF

OSC

 

VHF

OSC

 

 

1/512,640,1024

Phase

Det

SW

 

Programable DIV

 

 

 

 

 

 

 

 

 

 

S/R

 

 

 

 

 

 

16/17

1/8

 

 

 

 

 

 

 

C

BUS

I/F

 

 

 

 

 

 

REG

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

2

3

 

4

5

6

7

8

9

10

11

12

13

14

15

SCL

 

SDA

ADR

 

FMT

BVL

BVH

BU

1

Mixout1

Mixout2

GND1A

VHFin1

VHFin2

UHFin1

UHFin2

 

 

CC

 

 

V

41 SANYO TV . VCR

SANYO TV . VCR 42

Image 22
Contents Digital TV, Analog TV Flat Panel Display, and VCR ICs TV IC Lineup that Has Earned the Top Market Share System-on-chip A/V decoder LC74152B P Digital TV microcontroller LC74186E PLC74152B LC74186ELA7605M P Conversion of TV signals PC video signals to WxgaBit flash microcontroller LC87F57C8A P LA7605M LC87F5564A LC87F57C8ASIO LA76835A P I2C Bus Control for TV Signal-Processing ICs P 35~38LA76828N P LA76835NM PD Video/Chrominance/Deflection General featuresSusoctm LA76930 Series With YcbCr Secam With YcbCr & E/WLA76919M LA76922M P33LA76828N LA76818AVIF/SIF LA76835A LA76835NMLA76843N LA7840LA7841 LA7845NLA7846N LA78040LA78040N LA78041LA78045 LA7875N/76NLA7847/48 LA7849LC863 Series LC8632/34/38/3A Series Ntsc LC74785/M P Secam color signal processing LA70100M PLA72670MUS P Built-in sync separator and EDS circuits Built-in sync separator circuit OSD LC74789/M/JM PLA79106V LV4512VLA75505M LA75503VRF AGC LA75520VA LA75525VAAFT AGCBNC If AGCLA72648M LA75665NM/NVLA72670M LA72680MLA71750EM LA71206M/7MLA71730EM LA70100MLC74785/M LC74789/M/JMLC74776/M LC74793/JMLA77000V RF VCOLB11885/4 Capstan Motor Drive Block Loading Motor Drive BlockPackagePackage DimensionsDimensions