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| CHX2091 20-40GHz Frequency Multiplier GaAs Monolithic Microwave IC Description The CHX2091 is a cascadable by 2 frequency multiplier monolithic circuit. It is designed for a wide range of applications, from military to commercial communication systems. The backside of the chip is both RF and DC grounds. This helps simplify the assembly process. The circuit is manufactured with a PM-HEMT process, 0.25m gate length, via holes through the substrate, air bridges and electron beam gate lithography. Typical measurement X2 Output power (dBm) Main Features Broadband performances :Fin 17-20GHz 12dBm output power for +12dBm input power DC bias : Vd=3.5Volt@Id=50mA Chip size : 1.67 x 0.97 x 0.10 mm 15 10 5 0 -5 -10 -15 -20 -25 -30 16 17 18 19 20 21 22 23 Pout (2*Fin) Pout (Fin) Input Frequency (GHz) Main Characteristics Tamb. = 25C Symbol Fin Fout Pin Pout Parameter Input frequency range Output frequency range Input power Output power for +12dBm input power Min 17 34 Typ Max 20 40 Unit GHz GHz dBm dBm 12 10 12 ESD Protection : Electrostatic discharge sensitive device. Observe handling precautions ! Ref. : DSCHX20911208-27-Jul.-01 1/5 Specifications subject to change without notice United Monolithic Semiconductors S.A.S. Route Departementale 128 - B.P.46 - 91401 Orsay Cedex France Tel. : +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 CHX2091 Electrical Characteristics 20-40GHz Frequency Multiplier Tamb = +25C, Vdd = 3.5V Vg1 = -0.9V Vg2 tuned for Id=50mA ( # -0.4V ) Pin = +12dBm Symbol Fin Fout Pin Pout Is/Fo VSWRin Parameter Input frequency range Output frequency range Input power Output power for +12dBm input power Fin rejection at the output ( 18 < Fin < 20GHz) Input VSWR Min 17 34 Typ Max 20 40 Unit GHz GHz dBm dBm dBc 12 10 12 25 15 2.5:1 2.5:1 50 70 mA VSWRout Output VSWR Id Bias current with RF , Pin=+12dBm Absolute Maximum Ratings Tamb = +25C Symbol Vd Id Vg Pin Ta Tstg Drain bias voltage Drain bias current Gate bias voltage Input Power Operating temperature range Storage temperature range Parameter Values 5 120 -2 to +0.4 17 -40 to +85 -55 to +155 Unit V mA V dBm C C (1) Operation of device above anyone of these parameters may cause permanent damage. Ref. : DSCHX20911208-27-Jul.-01 2/5 Specifications subject to change without notice Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 20-40GHz Frequency Multiplier Typical on jig Measurements Bias conditions : vd = 3.5V , Vg1 = -0.9V , Vg2 tuned for Id = 50mA ( # -0.4V ) CHX2091 Pout = f(Fin) for Pin=12dBm 15 10 Pout (2*Fin) 5 Output power (dBm) 0 -5 -10 -15 Pout (Fin) -20 -25 -30 16 17 18 19 20 21 22 23 Input Frequency (GHz) P out =F(P in) tem perature dependance for Fin=20G H z 15 14 13 12 11 -10 -5 Pout 2*Fin (dBm) 9 8 7 6 5 4 3 2 1 0 5 6 7 8 9 10 11 12 13 14 15 16 17 -30 -25 -20 F out=2XF in (-40C ) F out=2XF in (+80C ) F out=F in (25C F out=2XF in (25C ) F out=F in (-40C ) F out=F in (+80C ) -35 -40 P in (d B m ) Pout = f(vd) for Pin = 12dBm Fin = 20GHz Vg2 tuned for Id = 50mA ( # -0.4V ) 14 12 10 Pout 2*Fin (dBm) 8 6 4 2 0 2 2.2 2.4 2.6 2.8 3 Vd (V) 3.2 3.4 3.6 3.8 4 Pout ( Fin ) Pout ( 2*Fin ) 0 -5 -10 Pout Fin (dBm) -15 -20 -25 -30 -35 Pout = f(Vg2) for Pin = 12dBm, Fin = 20GHz & Vd = 3,5V 14 12 10 8 Pout 2*Fin (dBm) 6 4 2 0 -2 -4 -6 -8 -1.6 -1.4 -1.2 -1 -0.8 Vg2 (V) -0.6 -0.4 -0.2 0 Pout (Fin) Pout (2*Fin) Pout Fin (dBm) 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 Pout Fin (dBm) 10 -15 Ref. : DSCHX20911208-27-Jul.-01 3/5 Specifications subject to change without notice Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 o(2i f seaP P * n) r vr l tF o e u CHX2091 Chip Assembly and Mechanical Data Vd = 3.5V 20-40GHz Frequency Multiplier Vg1 = -0.9V Vg2 tuned for Id = 50mA ( # -0.4V ) To Vg1 DC Gate supply feed To Vg2 DC Gate supply feed To Vd DC Drain supply feed 100pF 100pF 100pF IN x2 OUT Note : Supply feed should be capacitively bypassed. 25m diameter gold wire is to be prefered. Pad Size : 100 x 100m 1670 +/- 35 1410 1070 740 490 970 +/- 35 415 415 Bonding pad positions. ( Chip thickness : 100m. All dimensions are in micrometers ) Ref. : DSCHX20911208-27-Jul.-01 4/5 Specifications subject to change without notice Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 20-40GHz Frequency Multiplier CHX2091 Ordering Information Chip form : CHX2091-99F/00 Information furnished is believed to be accurate and reliable. However United Monolithic Semiconductors S.A.S. assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of United Monolithic Semiconductors S.A.S.. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. United Monolithic Semiconductors S.A.S. products are not authorised for use as critical components in life support devices or systems without express written approval from United Monolithic Semiconductors S.A.S. Ref. : DSCHX20911208-27-Jul.-01 5/5 Specifications subject to change without notice Route Departementale 128 , B.P.46 - 91401 ORSAY Cedex - FRANCE Tel.: +33 (0)1 69 33 03 08 - Fax : +33 (0)1 69 33 03 09 |
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