Datasheet > U3660M-B

U3660M-B

更新时间： 2022-11-26 01:53:11

品牌	Logo	应用领域
TEMIC		延迟线
页数	文件大小	规格书
7页	79K
描述
Baseband Delay Line (64 Us)

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U3660M-B 数据手册

U3660M-B

Baseband Delay Line (64 s)

Description

The U3660M is an integrated baseband delay line circuit. It provides a delay of 64 s for the color difference signals,

±(R-Y) and ±(B-Y), in multi-standard TVs.

Features

One line delay time, addition of delayed and non-

delayed output signals

Line-locked by the sandcastle pulse

No crosstalk between SECAM colour carriers

(diaphoty)

Adjustment-free application, VCO without external

components

Comb filtering functions for NTSC colour-difference

signals

Handles negative or positive colour-difference input

signals

Correction of phase errors in the PAL system

Clamping of ac-coupled input signals [±(R-Y)

and ±(B-Y)]

Block Diagram

Ref

Bias

ref

(B–Y)

S+H

LPF

Clamping

Line memory

Shift register

(R–Y)

S+H

LPF

Clamping

Line memory

ref

3 MHz

Control

fsc

PLL

DD2

DD1

SC detector

Clock generator

GND1

GND2

94 8223

SSC pulse

Figure 1. Block diagram

TELEFUNKEN Semiconductors

1 (7)

Rev. A2, 13-Dec-96

12 3 4 5 6 7

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