參數(shù)資料
型號: ATA06212A
廠商: ANADIGICS, Inc.
元件分類: 運動控制電子
英文描述: AGC Transimpedance Amplifier
中文描述: AGC的阻放大器
文件頁數(shù): 1/8頁
文件大小: 59K
代理商: ATA06212A
08/2001
ATA06212A
AGC Transimpedance Amplifier
PRELIMINARY DATA SHEET- Rev 1.2
D1
FEATURES
Single +5 Volt Supply
Automatic Gain Control
- 34 dBm Sensitivity
0 dBm Optical Overload
425 MHz Bandwidth
APPLICATIONS
SONET OC-12/SDH STM-4 (622 Mb/s)
Receiver
Low Noise RF Amplifier
Vdd2
GND
GND
GND
GND
GND
GND
GND
GND
V out
I in
Vdd2
CBY
CBY
CAGC
Vdd1
PRODUCT DESCRIPTION
The ANADIGICS ATA06212A is a 5V low noise
transimpedance amplifier with AGC designed to be
used in OC-12/STM-4 fiber optic links. The device is
used in conjunction with a photodetector (PIN diode
or avalanche photodiode) to convert an optical signal
Figure 1: Equivalent Circuit
AGC
I
IN
GND
or
neg. supply
GND
V
OUT
V
DD
Photodetector cathode must be connected to
I
IN
for proper AGC operation
into an output voltage. The ATA06212A offers a
bandwidth of 425MHz and a dynamic range of 35dB.
It is manufactured in a GaAs MESFET process and
is available in bare die form.
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