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CHM1290REF

United Monolithic Semiconductors

20-30GHz SUB-HARMONICALLY PUMPED MIXER

CHM1290REF 20-30GHz SUB-HARMONICALLY PUMPED MIXER GaAs Monolithic Microwave IC in SMD leadless package Description The m...


United Monolithic Semiconductors

CHM1290REF

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Description
CHM1290REF 20-30GHz SUB-HARMONICALLY PUMPED MIXER GaAs Monolithic Microwave IC in SMD leadless package Description The monolithic microwave IC (MMIC) in the package is a multi-function chip which integrates a self biased LO buffer amplifier and a sub-harmonic diode mixer for 2LO suppression. It is usable both for up- and down-conversion and it is designed for a wide range of applications, typically commercial communication systems for broadband local access (LMDS). The circuit is manufactured with a PMHEMT process, 0.25µm gate length, via holes through the substrate, air bridges and electron beam gate lithography. It is supplied in a new SMD-type leadless chip carrier. Main Features Broadband performance : 20-30GHz 10.5 dB conversion Loss -25dBm 2LO Power @ RF port -4dBm LO input power -3dBm input power 1dB compression Low DC power consumption, 33mA@ 3.0V Dimensions: 5.08 x 5.08 x 0.97 mm3 SMD Package Dimensions Ref.: DSCCHM1290REF2239 -27-Aug.-02 1/6 Specifications subject to change without notice Route Départementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 CHM1290REF Schematic 20-30GHz SHP Mixer Typical Bias Conditions For an ambient temperature of +25°C Symbol Vd Id Pin No 3 3 Parameter Drain bias Voltage Drain current Values 4 33 Unit V mA Absolute Maximun Ratings (1) Tamb. = 25°C Symbol Vd Pin Top Tstg Drain bias voltage Maximum peak input overdive (2) Operating temperature range (3) St...




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