CHP2085 S-band Phase Shifter / Switch GaAs Monolithic Microwave IC 13 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. 90° bit 45° bit Switch 22,5° bit 12 11 10 9 8 7 6 5 4 3 2 11,25° bit 14 180° bit 1 It is supplied in chip form. Main Features Pin Out ■ Frequency range : 2.7 to 3.4GHz ■ 11.25° phase quantization ■ 27dB switch isolation ■ Chip size : 4,14 x 2,16 x 0,1mm 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 = +25°C Symbol Parameter Min Max Unit Operating frequency range 2.7 3.4 GHz Phase shift precision peak to peak error 10 ° Il Insertion loss 12 dB Is Isolation Fop PHIpp 27 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 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 S-band Phase Shifter / Switch CHP2085 Electrical Characteristics Tamb = +25°C Symbol Fop Test Conditions Parameter Operating frequency range PHIpp Min Max Unit 2.7 3.4 GHz Phase shift precision peak to peak error (1) 10 ° Il Insertion loss (1) 12 dB Is Isolation (1) VSWRin Input VSWR (1) 2:1 VSWRout Ouput VSWR (1) 2:1 Pulsed Input power at 1dB increase loss (2) Phase shifter current (1) Pin1dB Ips 27 dB 23 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 = +25°C Symbol Parameter Values Unit Vgi Phase shifter control voltage -8.0 V Vpi Switch control voltage -8.0 V Pin Maximum peak input power overdrive (2) +25 dBm Top Operating temperature range -40 to +85 °C Tstg Storage temperature range -55 to +125 °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 Bond pads P1 P2 Rfin to RFout2 Low level High level Rfin to RFout1 High level Low level Ref. : DSCHP20850046 - 15-feb.00DSCHP20850046 - 15-feb.-00 2/6 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 Specifications subject to change without notice S-band Phase Shifter / Switch CHP2085 Typical Wafer [S] Parameters RFin to RFout2 path IN S ERT IO N LO S S réf 1 1 .2 5 ° 2 2 .5 ° 45° 90° 180° (dB) -6 ,0 0 -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 ) réf 1 1 .2 5 ° 2 2 .5 ° 45° 90° 180° (dB) -1 0 ,0 0 -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 (O U T ) réf 1 1 .2 5 ° 2 2 .5 ° 45° 90° 180° (dB) -1 0 , 0 0 -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.-00 3/6 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 Specifications subject to change without notice S-band Phase Shifter / Switch CHP2085 Typical Wafer [S] Parameters RFin to RFout1 path ISO LA T IO N réf 1 1 .2 5 ° 2 2 .5 ° 45° 90° 180° (dB) -3 0 , 0 0 -3 5 , 0 0 -4 0 , 0 0 2 ,5 2 ,7 2 ,9 3 ,1 3 ,3 3 ,5 FREQ (GH z) IN S ERT IO N LO S S (dB) -6 ,0 0 réf 90° -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 ) (dB) -1 0 , 0 0 réf 90° -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 ) (dB) -1 0 ,0 0 réf 90° -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 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 Specifications subject to change without notice S-band Phase Shifter / Switch CHP2085 Phase Shifter Control Interface 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 ° Bond pads (1) B9 H4 B4 H8 B8 H9 (0) 1 0 1 0 1 0 0 0 11.25 (π/16) 1 0 1 0 1 0 0 1 22.50 (π/8) 1 0 1 0 1 0 1 0 33.75 (π/8 + π/16) 1 0 1 0 1 0 1 1 (π/4) 1 0 1 0 0 1 0 0 56.25 (π/4 + π/16) 1 0 1 0 0 1 0 1 67.50 (π/4 + π/8) 1 0 1 0 0 1 1 0 78.75 (π/4 + π/8 + π/16) 1 0 1 0 0 1 1 1 90 (π/2) 1 0 0 1 1 0 0 0 180 (π) 0 1 1 0 1 0 0 0 0 1 0 1 0 1 1 1 0 45 348.75 (π + π/2 + π/4 + π/8 + π/16) (1) Terminology : B2 BH1 B = Low pass, H = High pass, BH = Low/High pass 1 = 11°5, 2 = 22.5°, 4 = 45°, 9 = 90°, 8 = 180° Simplified Schematic B9 RFin BH1 90° bit 45° bit 11,25° bit H4 B4 H9 B2 RFout1 B8 Switch 22,5° bit 180° bit H8 P1 P2 RFout2 Ref. : DSCHP20850046 - 15-feb.-00 5/6 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 Specifications subject to change without notice S-band Phase Shifter / Switch CHP2085 Chip Mechanical Data 1960 1952 1762 1576 1390 1204 837 80 0 0 80 300 Dimensions : Thickness : HF pads : DC pads : 3950 1018 832 646 460 274 88 4140 ± 10µm x 2160 ± 10µm 100 ± 10µm 80µm 100µm 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 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 Specifications subject to change without notice