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| CHP2085 S-band Phase Shifter / Switch GaAs Monolithic Microwave IC Description The CHP2085 is a S-band monolithic 5 bits phase shifter / switch. The circuit is manufactured with a standard MESFET process : via holes through the substrate, air bridges and electron beam gate lithography. It is supplied in chip form. 13 12 11 10 9 8 7 6 5 4 3 2 90 bit 45 bit 11,25 bit 14 Switch 22,5 bit 180 bit 1 Main Features Frequency range : 2.7 to 3.4GHz 11.25 phase quantization 27dB switch isolation Chip size : 4,14 x 2,16 x 0,1mm Pin Out 1- RFout2 2- P2 3- P1 4- H8 5- B8 6- B2 7- H9 8- B4 9- H4 10- BH1 11- GND 12- B9 13- RFin 14- RFout1 Main Characteristics Tamb = +25C Symbol Fop PHIpp Il Is Parameter Operating frequency range Phase shift precision peak to peak error Insertion loss Isolation 27 Min 2.7 Max 3.4 10 12 Unit GHz dB dB ESD Protections : Electrostatic discharge sensitive device observe handling precautions ! Ref. : DSCHP20850046 - 15-feb.-00 1/6 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 CHP2085 Electrical Characteristics Tamb = +25C Symbol Fop PHIpp Il Is VSWRin VSWRout Pin1dB Ips Parameter Operating frequency range S-band Phase Shifter / Switch Test Conditions Min 2.7 Max 3.4 10 12 Unit GHz dB dB Phase shift precision peak to peak error Insertion loss Isolation Input VSWR Ouput VSWR Pulsed Input power at 1dB increase loss Phase shifter current (1) (1) (1) (1) (1) (2) (1) 23 27 2:1 2:1 dBm 5 mA (1) Pin 0dBm, Low level control voltage = -4V, High level control voltage = 0V, Vgi consistent with the Phase Schifter Control Interface table. (2) These values are representative for pulsed on-wafer measurements Absolute Maximum Ratings (1) Tamb = +25C Symbol Vgi Vpi Pin Top Tstg Parameter Phase shifter control voltage Switch control voltage Maximum peak input power overdrive (2) Operating temperature range Storage temperature range Values -8.0 -8.0 +25 -40 to +85 -55 to +125 Unit V V dBm C C (1) Operation of this device above anyone of these paramaters may cause permanent damage. (2) Duration < 1s. (1) Pin 0dBm Switch Control Signal Interface Switch command Rfin to RFout2 Rfin to RFout1 Bond pads P1 P2 Low level High level High level Low level Ref. : DSCHP20850046 - 15-feb.00DSCHP20850046 - 15-feb.-00 2/6 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 S-band Phase Shifter / Switch Typical Wafer [S] Parameters RFin to RFout2 path IN S ERT IO N LO S S -6 ,0 0 (dB) CHP2085 -8 ,0 0 -1 0 ,0 0 2 ,5 2 ,7 2 ,9 3 ,1 3 ,3 3 ,5 ref 1 1 .2 5 2 2 .5 45 90 180 FREQ (GH z) RET U RN LO S S (IN ) -1 0 ,0 0 (dB) ref 1 1 .2 5 2 2 .5 45 90 180 2 ,5 2 ,7 2 ,9 3 ,1 3 ,3 3 ,5 -2 0 ,0 0 -3 0 ,0 0 FREQ (GH z) RET U RN LO S S (O U T ) -1 0 , 0 0 (dB) ref 1 1 .2 5 2 2 .5 45 90 180 2 ,5 2 ,7 2 ,9 3 ,1 3 ,3 3 ,5 -2 0 , 0 0 -3 0 , 0 0 FREQ (GH z) Ref. : DSCHP20850046 - 15-feb.-00 3/6 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 CHP2085 Typical Wafer [S] Parameters RFin to RFout1 path S-band Phase Shifter / Switch ISO LA T IO N -3 0 , 0 0 (dB) ref 1 1 .2 5 2 2 .5 45 90 180 2 ,5 2 ,7 2 ,9 3 ,1 3 ,3 3 ,5 -3 5 , 0 0 -4 0 , 0 0 FREQ (GH z) IN S ERT IO N LO S S -6 ,0 0 ref 90 (dB) -8 ,0 0 -1 0 ,0 0 2 ,5 2 ,7 2 ,9 3 ,1 3 ,3 3 ,5 FREQ (GH z) RET U RN LO S S (IN ) -1 0 , 0 0 ref 90 (dB) -2 0 , 0 0 -3 0 , 0 0 2 ,5 2 ,7 2 ,9 3 ,1 3 ,3 3 ,5 FREQ (GH z) RET U RN LO S S (OU T ) -1 0 ,0 0 ref 90 (dB) -2 0 ,0 0 -3 0 ,0 0 2 ,5 2 ,7 2 ,9 3 ,1 3 ,3 3 ,5 FREQ (GH z) Ref. : DSCHP20850046 - 15-feb.00DSCHP20850046 - 15-feb.-00 4/6 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 S-band Phase Shifter / Switch Phase Shifter Control Interface CHP2085 The 5 bits phase shifter command is actuated by the 8 voltage control pads State = 1 for Vgi = 0V (high level), State = 0 for Vgi = -5.5V (low level) Nominal phase state 0 11.25 22.50 33.75 45 56.25 67.50 78.75 90 180 (0) (/16) (/8) (/8 + /16) (/4) (/4 + /16) (/4 + /8) (/4 + /8 + /16) (/2) () Bond pads (1) B9 H4 B4 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 0 0 0 0 1 1 0 0 0 0 0 1 1 1 1 0 0 1 H8 1 1 1 1 1 1 1 1 1 0 0 B8 0 0 0 0 0 0 0 0 0 1 1 H9 1 1 1 1 1 1 1 1 0 1 0 B2 0 0 1 1 0 0 1 1 0 0 1 BH1 0 1 0 1 0 1 0 1 0 0 1 348.75 ( + /2 + /4 + /8 + /16) (1) Terminology : B = Low pass, H = High pass, BH = Low/High pass 1 = 115, 2 = 22.5, 4 = 45, 9 = 90, 8 = 180 Simplified Schematic B9 RFin 90 bit 45 bit 11,25 bit BH1 H4 B4 H9 B2 RFout1 Switch 22,5 bit 180 bit B8 H8 P1 P2 RFout2 Ref. : DSCHP20850046 - 15-feb.-00 5/6 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 CHP2085 Chip Mechanical Data S-band Phase Shifter / Switch 1960 837 1952 1762 1576 1390 1204 0 80 300 3950 0 1018 832 646 460 274 80 88 Dimensions : Thickness : HF pads : DC pads : 4140 10m x 2160 10m 100 10m 80m 100m Ordering Information Chip form : CHP2085-99F/00 Information furnished is believed to be accurate and reliable. However United Monolithic Semiconductors S.A.S. assumes no responsibility 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. : DSCHP20850046 - 15-feb.00DSCHP20850046 - 15-feb.-00 6/6 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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