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CX60083

Mindspeed Technologies
Part Number CX60083
Manufacturer Mindspeed Technologies
Published Mar 19, 2006
Description 10 Gbps High Gain Limiting Amplifier
Detailed Description Data Sheet CX60083-15/-2A 10 Gbps High Gain Limiting Amplifier K
Datasheet PDF File CX60083 PDF File

CX60083
CX60083


Overview
Data Sheet CX60083-15/-2A 10 Gbps High Gain Limiting Amplifier Key Features • • • • • • • Limiting amplifier Integrated LOS and peak detect circuit Wide bandwidth and high sensitivity Compatible with DC- or AC-coupled input and output signals Fully differential architecture Optional single-ended input and/or output operation Available in a 32-terminal, 5 mm square EdQuad TQFP or as dice Applications • • • Fiber-optic communications (OC-48/OC-192) SONET/SDH test equipment Data communications Product Description The CX60083 is a high-gain, wide-bandwidth, limiting amplifier ideal for use as a post-amplifier in fiber-optic receivers.
With its 10GHz -10 bandwidth, this amplifier has been optimized for data rates up to 10.
7 Gbps and has an input sensitivity (BER < 10 ) of 5 mV, differential.
It accepts both single-ended and differential inputs and may be either AC- or DC- coupled.
With approximately 39 dB of small signal gain, this amplifier can limit input voltages at or above 5 mV P-P (single-ended) to an output voltage of 460 mV P-P (single-ended).
An on-chip Loss of Signal (LOS) detection circuit with hysteresis provides an LOS output signal.
A high-gain, on-chip, peak detector provides a DC output signal that is linearly proportional to the input signal amplitude.
This signal can be used for Automatic Gain Control (AGC) of preceding amplifier stages or a custom LOS network.
High-impedance differential outputs and inputs are available for input voltage offset correction.
The CX60083, as shown in Figure 7, is available in a 32-terminal flat pack or as shown in Figure 9 in die form.
Figure 1 is the system block diagram.
Figure 1.
CX60083 System Block Diagram Supply Voltage w TIA DataInP w Vth .
D w VthCap OffInP 5Ω t a S a e h t e U 4 .
c m o PkDetOut LOSRes OffOutP LOS PkDetDC See Figure 3 for AC-Coupled 10kΩ DatOutP 2kΩ Peak Detect LOS Detect 50Ω Avalanche Photodiode 50Ω 2kΩ 10kΩ AC or DC Coupled DataInN CX60083 OffInN Rev.
v6, 12 Apr 2002.
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