Datasheet > LG1605DXB-TR16

LG1605DXB-TR16

更新时间： 2024-11-08 22:30:03

品牌	Logo	应用领域
杰尔 - AGERE		电信集成电路放大器异步传输模式 ATM
页数	文件大小	规格书
12页	725K
描述
LG1605DXB Limiting Amplifier

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LG1605DXB-TR16 数据手册

Data Sheet

February 1999

LG1605DXB Limiting Amplifier

■ Digital video transmission

Features

■ Interface between 1319 receiver and LG1600

clock and data regenerator

■ 28 dB gain, 34 dB differential

■ Large dynamic range: >60 dB

■ Wideband response: 8 kHz to 3 GHz

■ Extremely low ±4 ps delay skew across input range

■ Complementary 50 Ω I/Os

■ High-speed comparator

Functional Description

The LG1605DXB is a GaAs wideband limiting ampli-

fier with differential inputs and outputs that provides

28 dB of gain (34 dB differential) and 3 GHz of band-

width in a 50 Ω environment (Figure 1 shows the

block diagram). At low input levels, below 10 mV to

20 mV, the circuit behaves as a linear amplifier. At

higher levels, the device goes smoothly into limiting.

The device matches the performance of an AGC

amplifier but shows none of the AGC bouncing and

attack characteristics.

■ Surface-mount package

■ Standard ECL supply (400 mW)

Applications

■ Data/clock main amplifier SONET/SDH OC-48/

STM-16 transmission systems, DWDM systems

V^BR

V^SS

GND

1, 4, 5, 6, 15, 16

110 pF

25 kΩ

CHIP BOUNDARY

V^–REF

50 Ω

V^–IN

V+IN

+ –

– +

+ –

– +

V^–OUT

V+OUT

V+REF

25 kΩ

110 pF

–

V^BF

V^BS

12-3214(F).r3

Figure 1. LG1605DXB Block Diagram

12 3 4 5 6 7...12

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