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iT5061

Iterra
Part Number iT5061
Manufacturer Iterra
Description 8 Vpp modulator driver
Published Jul 23, 2008
Detailed Description iT5061 12.5-Gb/s 8-Vpp Modulator Driver (for use with bias choke) Description The iT5061 is a low-cost, high-out-voltage...
Datasheet PDF File iT5061 PDF File

iT5061
iT5061

Overview
iT5061 12.
5-Gb/s 8-Vpp Modulator Driver (for use with bias choke) Description The iT5061 is a low-cost, high-out-voltage, plastic-packaged (QFP-N) broadband GaAs traveling-wave MMIC amplifier.
In optical communication systems, it is well suited as a driver for EO/LiNo3 modulators by providing from 6 to 8 Vpp output for NRZ signals up to 12.
5 Gb/s.
The amplifier can also be used as an optical receiver amplifier gain stage for photodiodes or as a limiting amplifier after the transimpedance amplifier.
It can operate from DC up to 11GHz with 14 dB linear gain, +21 dBm P1dB compression point, and +23 dBm Psat.
The iT5061 employs GaAs pHEMT technology with silicon nitride as the dielectric of the on-chip MIM capacitors.
The RF ports of the iT5061 must be AC coupled and the drain bias is provided by an external choke.
Output voltage control is achieved by reducing the Vd power supply.
An on-chip power detector allows user to provide external temperature compensation.
The iT5061 requires a bias choke, external DC blocks, and control circuitry.
™ ™ ™ ™ ™ ™ ™ ™ ™ Bit rate: 9.
95 Gb/s to 12.
5 Gb/s Gain: 14 dB Output voltage: 8 Vpp Adjustable output voltage (3 Vpp to 8 Vpp) Return loss: Input: –10 dB Output: –10 dB Bias: 5 V at 210 mA , 8 Vpp 3.
7V at 160 mA, 6Vpp Power dissipation: 1.
1 W at Vout = 8 Vpp 600 mW at Vout = 6 Vpp On-chip power detector Low-cost JEDEC QFP-N (M02-200) package www.
DataSheet4U.
com Features Absolute Maximum Ratings Symbol Vd Vg Id Pin Tch Tstg Parameters/conditions Positive voltage Negative voltage Positive supply current Input RF power Operating channel temperature Storage temperature Min.
Typ.
Max.
8 Units V V -3 300 23 150 -65 150 mA dBm ºC ºC www.
iterrac.
com This is a Production data sheet.
See “Product Status Definitions” iTerra Communications 2400 Geng Road, Ste.
100, Palo Alto, CA 94303 on Web site or in catalog for latest development status.
Phone (650) 424-1937, Fax (650) 424-1938 March 30, 2005 Doc.
4076 Rev 0 1 iT5061 12.
5-Gb/s 8...


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