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HMC712

Hittite Microwave Corporation
Part Number HMC712
Manufacturer Hittite Microwave Corporation
Description Voltage Variable Attenuator Chip
Published Jun 1, 2009
Detailed Description HMC712 v00.1008 GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, 5 - 30 GHz Features Wide Bandwidth: 5 - 30 GHz Excellent Lineari...
Datasheet PDF File HMC712 PDF File

HMC712
HMC712

Overview
HMC712 v00.
1008 GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, 5 - 30 GHz Features Wide Bandwidth: 5 - 30 GHz Excellent Linearity: +28 dBm Input P1dB Wide Attenuation Range: 30 dB Compact Die Size: 1.
4 x 1.
2 x 0.
1 mm 1 ATTENUATORS - ANALOG - CHIP Typical Applications The HMC712 is ideal for: • Point-to-Point Radio • VSAT Radio • Test Instrumentation • Microwave Sensors • Military, ECM & Radar www.
datasheet4u.
com Functional Diagram General Description The HMC712 die is an absorptive Voltage Variable Attenuator (VVA) which operates from 5 - 30 GHz and is ideal in designs where an analog DC control signal must be used to control RF signal levels over a 30 dB amplitude range.
It features two shunt-type attenuators which are controlled by two analog voltages, Vctrl1 and Vctrl2.
Optimum linearity performance of the attenuator is achieved by first varying Vctrl1 of the 1st attenuation stage from -3V to 0V with Vctrl2 fixed at -3V.
The control voltage of the 2nd attenuation stage, Vctrl2, should then be varied from -3V to 0V, with Vctrl1 fixed at 0V.
However, if the Vctrl1 and Vctrl2 pins are connected together it is possible to achieve the full analog attenuation range with only a small degradation in input IP3 performance.
Applications include AGC circuits and temperature compensation of multiple gain stages in microwave point-to-point and VSAT radios.
Electrical Specifi cations, TA = +25° C, 50 Ohm system Parameter Insertion Loss Attenuation Range Input Return Loss Output Return Loss Input Power for 1 dB Compression (any attenuation) Input Third Order Intercept (Two-tone Input Power = 10 dBm Each Tone) 5 - 16 GHz 16 - 24 GHz 24 - 30 GHz Min.
Typ.
2.
5 3.
5 4.
5 30 12 10 28 32 Max.
Units dB dB dB dB dB dB dBm dBm 1 - 38 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.
hittite.
com HMC712 v00.
1008 GaAs MMIC VOLTAGE-VARIABLE ATTENUATOR, 5 - 30...


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