CHT4690-QAG United Monolithic Semiconductors

CHT4690-QAG RoHS COMPLIANT 5-30GHz ATTENUATOR GaAs Monolithic Microwave IC in SMD leadless package Description The CHT4690-QAG is a variable 5-30GHz attenuator designed for a wide range of applications, from military to commercial communication systems. The circuit is manufactured with a MESFET process, 0.7m gate length, via holes through the substrate and air bridges. It is supplied in lead-free package. Main Features Attenuation versus frequency & V1, V2 Broadband performance: 5-30GHz 25dBm typical input 1dB compression point (Any attenuation) 30dB dynamic range DC bias: -5V<V1<0V ; -5V<V2<0V Package type: 16Leads QFN3x3 Main Characteristics Temp. = 25C Symbol Parameter Min Typ Max Unit Fin Input frequency range 5 30 GHz Min Att. |S21| (V1=-5V;V2=-5V) (10 to 24GHz) 4 dB Max Att. |S21| (V1=0V;V2=0V) (10 to 30GHz) 35 dB Pin1dB Input 1dB compression point (any 25 dBm attenuation) ESD Protection: Electrostatic discharge sensitive device. Observe handling precautions! Ref. : CHT4690QAG0211 - 30 Jul 2010 1/14 Specifications subject to change without notice United Monolithic Semiconductors S.A.S. Route Dpartementale 128 - BP46 - 91401 Orsay Cedex France Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09 5-30GHz Attenuator CHT4690-QAG Electrical Characteristics Temp. = 25C Symbol Parameter Min Typ Max Unit Fin Input frequency range 5 30 GHz Min Att. |S21| (V1=-5V;V2=-5V) (5 to 10GHz) 2 3 dB |S21| (V1=-5V;V2=-5V) (11 to 24GHz) 4 5.5 dB |S21| (V1=-5V;V2=-5V) (25 to 30GHz) 6 7.5 dB Max Att. |S21| (V1=0V;V2=0V) (5 to 10GHz) 22 24 dB |S21| (V1=0V;V2=0V) (11 to 30GHz) 28 35 dB VSWRin Input VSWR (any Att) (5 to 26GHz) 2.0:1 VSWRout Output VSWR (any Att) (6 to 26GHz) 2.5:1 Pin1dB Input 1dB compression point (any Att) (5 to 25GHz) 24 25 dBm C/I3 C/I3 @ Pin/tone=12dBm (any Att) (to 26GHz) 36 40 dB V1,V2 Voltage control range -5 0 V These values are representative of onboard measurements as defined on the drawing 96272 (see below). ESD Protection: Electrostatic discharge sensitive device. Observe handling precautions! (1) Absolute Maximum Ratings Temp. = 25C Symbol Parameter Values Unit V1 V1 control voltage -6V to +0.6V V V2 V2 control voltage -6V to +0.6V V Pin RF input power 30 dBm Ta Operating temperature range (reference on -40 to +85 C ground paddle) Tstg Storage temperature range -55 to +155 C (1) Operation of this device above anyone of these parameters may cause permanent damage. Typical Bias Conditions at roomTemperature +25C Symbol Pin No. Parameter Values Unit V1 6 V1 control voltage -5 to 0 V V2 7 V2 control voltage -5 to 0 V All other pins are not used for this device (but RFin: pin 3 and RFout: pin 10). Ref. : CHT4690QAG0211 - 30 Jul 2010 2/14 Specifications subject to change without notice Route Dpartementale 128, BP46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09