LA7161V [SANYO]

VHF Band RF Modulator; VHF波段射频调制器


型号：	LA7161V
厂家：	SANYO SEMICON DEVICE
描述：	VHF Band RF Modulator VHF波段射频调制器射频调制器
文件：	总5页 (文件大小：81K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Ordering number : EN6081

Monolithic Linear IC

LA7161V

VHF Band RF Modulator

Overview

Package Dimensions

The LA7161V is an RF modulator which generates, from a

unit: mm

baseband video and audio signal, PLL frequency

synthesized RF TV channel signal in VHF band.

3178-SSOP16

[LA7161V]

Features

• 5V operation.

• PLL synthesized RF VCO (US : 3ch, 4ch, JPN : 1ch, 2ch

, TWN : 13ch only), channel selection accomplished

using two pins.

0.15

5.4

• PLL synthesized (4.5MHz frequency) and tankless audio

FM.

• The 4 or 3.58MHz (color subcarrier) reference frequency

for PLL can either be generated internally or input from

an external source.

SANYO : SSOP16

0.43

0.22

0.65

Functions

• RF VCO

• RF mixer

• RF buffer

• Video clamp

• White clip

• Audio FM

• 4V regulator

• Reference OSC

Any and all SANYO products described or contained herein do not have specifications that can handle

applications that require extremely high levels of reliability, such as life-support systems, aircraft's

control systems, or other applications whose failure can be reasonably expected to result in serious

physical and/or material damage. Consult with your SANYO representative nearest you before using

any SANYO products described or contained herein in such applications.

SANYO assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other

parameters) listed in products specifications of any and all SANYO products described or contained

herein.

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

N1098RM (KT) No.6081-1/5

LA7161V

Specifications

Maximum Ratings at Ta=25°C

Parameter

Symbol

max

Conditions

Ratings

Unit

Maximum supply voltage

Allowable power dissipation

Operating temperature

Storage temperature

Pd max

Topr

* 350

–20 to +75

–55 to +150

°C

Tstg

°C

Note : When mounted on a glass epoxy resin circuit board (114.3mm × 76.1mm × 1.6mm)

Operating Conditions at Ta=25°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended supply voltage

Operating voltage range

4.5 to 5.5

Operating Characteristics at Ta=25°C, V =5V, US 3ch unless otherwise specified

Ratings

typ

Parameter

Symbol

Conditions

Unit

min

max

4.1

3.8

89.5

18.5

–

Supply current 1

No signal, pin 6, high

No signal, pin 6, low

No signal

Supply current 2

Regulator voltage

ANT SW driver

RF output US

3.7

3.2

Vreg

3.9

3.5

Pin 6, high, 220Ω load

No signal

ANT

dBµ

RF output JP

No signal, JPN 1ch

No signal, TWN 13ch

S : fp+4.5MHz

83.5

86.5

RF output TWN

P/S ratio

P/S

13.5

4.5MHz 2nd harmonics

4.5MHz 3rd harmonics

920kHz beat

P/S2

P/S3

P/CB

S2 : fp+2×4.5MHz

S3 : fp+3×4.5MHz

–

=3.58MHz, 0.6Vp-p

–

CB : fp+920kHz

Video harmonics

P/V2

=1MHz, 1Vp-p

–

V2 : fp+2MHz

Video modulation

White clip level

Differential gain

Differential phase

Audio modulation

Maximum audio modulation

Audio THD

=Stair step, 1Vp-p

=Stair step, 1.5Vp-p

=Stair step, 1Vp-p

=1kHz, 1Vp-p

–5

400

–

110

–

WCL

–

Deg

100

–

max THD<3%

THD

S/N

=1kHz, 1Vp-p

0.4

Audio S/N

=1kHz, 1Vp-p

–

=Color bar, 1Vp-p

Notes *2 : Measure the pin RF OUT with a spectrum analyzer of 50Ω input impedance and add 9.5 dB to that value.

*3 : 100%=±25kHz modulation.

No.6081-2/5

LA7161V

Equivalent Circuit Block Diagram

REG

4.0V

MIXER

OSC

BUF

OFF

BIAS

ANT SW

DRIVER

PLL

OSC

WHITE

CLIP

CARRIER

OFF SW

PLL

REF

OSC

CHANNEL

CLAMP

A11861

Test Circuit (US CH)

ANT.SW

DRIVE

(5V)

RF OUT

10kΩ

18pF

LA7161V

Citizen

CMR-310

4MHz

RF OFF

CHANNEL

(Hi : RF work)

VIDEO IN

AUDIO IN

A11862

No.6081-3/5

LA7161V

Sample Application Circuit (US, JPN CH)

ANT.SW

(5V)

DRIVE

RF OUT

10kΩ~∞

US:18pF

XXP

JPN:15pF

LA7161V

OPEN:US 3CH

GND:US 4CH

Citizen

CMR-310

4MHz

CHANNEL

8.2kΩ

(JPN:SHORT)

OPEN:JPN 1CH

GND:JPN 2CH

RF OFF

(Low ACTIVE)

VIDEO IN

AUDIO IN

A11863

Sample Application Circuit (TWN CH)

ANT.SW

(5V)

DRIVE

RF OUT

18pF

LA7161V

270kΩ

4MHz

(3.58MHz)

Citizen

CMR-310

RF OFF

(Low ACTIVE)

REF 4MHz:OPEN

=3.58MHz:GND

VIDEO IN

AUDIO IN

A11864

No.6081-4/5

LA7161V

Application for Channel Selection

Reference

Frequency (MHz)

Voltage of PIN8

(V)

A Resistor between

PIN7 and GND (kΩ) PIN8 and GND (kΩ)

A Resistor between

Channel

US3

4.0

3.58

4.0

over 4.2

W/O

same as above

2.7 to 3.8

W/O

US4

3.58

4.0

same as above

1.2 to 2.3

W/O

JPN1

3.58

4.0

same as above

under 0.8

W/O

JPN2

3.58

4.0

same as above

1.2 to 2.3

W/O

TWN13

3.58

under 0.8

Specifications of any and all SANYO 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's products or equipment.

SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all

semiconductor products fail with some probability. It is possible that these probabilistic failures could

give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire,

or that could cause damage to other property. When designing equipment, adopt safety measures so

that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective

circuits and error prevention circuits for safe design, redundant design, and structural design.

In the event that any or all SANYO products(including technical data,services) described or

contained herein are controlled under any of applicable local export control laws and regulations,

such products must not be exported without obtaining the export license from the authorities

concerned in accordance with the above law.

No part of this publication may be reproduced or transmitted in any form or by any means, electronic or

mechanical, including photocopying and recording, or any information storage or retrieval system,

or otherwise, without the prior written permission of SANYO Electric Co., Ltd.

Any and all information described or contained herein are subject to change without notice due to

product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification"

for the SANYO product that you intend to use.

Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not

guaranteed for volume production. SANYO believes information herein is accurate and reliable, but

no guarantees are made or implied regarding its use or any infringements of intellectual property rights

or other rights of third parties.

This catalog provides information as of November, 1998. Specifications and information herein are subject

to change without notice.

PS No.6081-5/5

LA7161V [SANYO]

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