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| CHU3277 RoHS COMPLIANT W-band Multi-function: Multiplier / MPA GaAs Monolithic Microwave IC Description The CHU3277 is a W-band monolithic multifunction, which integrates an input buffer/power divider and two W-band chains in parallel combined at the output. Each one includes a frequency multiplier and a four-stages medium power amplifier. The frequency multipliers are based on active transistors and allow operation at low input level with reduced power consumption. All the active devices are internally self-biased to ease bias configuration. This chip is compatible with automatic equipment for assembly. The circuit is manufactured with the P-HEMT process: 0.15m gate length, via holes through the substrate, air bridges and electron beam gate lithography. It is available in chip form. W-band multifunction block-diagram Main Features n n n n n n Wide operating frequency range Low input power: 5dBm typical High output power Low AM noise Wide temperature range On-chip self biasing n n n n n Very simple bias configuration Low DC power consumption Automatic assembly oriented BCB layer protection Chip size: 3.9 x 1.66 x 0.1mm Main Typical Characteristics Tamb = +25C Symbol F_in P_in F_out Pout Input frequency Input power Output frequency Output power 76 18 Parameter Min 38 Typ 5 Max 38.5 77 Unit GHz dBm GHz dBm ESD Protections: Electrostatic discharge sensitive device observe handling precautions! Ref. DSCHU3277391 - 01 Apr 03 1/7 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 CHU3277 Electrical Characteristics W-band Multiplier/MPA Full operating temperature range, used according to section "Typical assembly and bias configuration" Symbol F_in F_out P_in Pout Pout_Flat AM_noise Parameter Input frequency Output frequency Input power Output power (1) Output power flatness Amplitude noise @ 1kHz (SSB) Amplitude noise @ 10kHz (SSB) Amplitude noise @ 100kHz (SSB) Amplitude noise @ 200kHz (SSB) Amplitude noise @ 1MHz (SSB) VSWR at input port (50) Positive supply voltage (2) Positive supply current Negative supply voltage (2) Negative supply current Operating temperature range Storage temperature range Min 38 76 3 15.5 Typ Max 38.5 77 10 20.5 <1 -132 -140 -146 -148 -152 2.5:1 4.75 400 -4.25 12 100 120 Unit GHz GHz dBm dBm dB dBc/Hz 5 18 -137 -145 -151 -153 -157 2:1 VSWR_in +V +I -V -I Top Tstg 4.25 -4.75 -40 -40 4.5 280 -4.5 8 25 25 V mA V mA C C (1) Defined on load VSWR 1.5:1. (2) Negative supply voltage must be applied at least 1us before positive supply voltage. Absolute Maximum Ratings (3) Symbol P_in +V -V +I -I Tstg Parameter Input power (4) Positive supply voltage Negative supply voltage Positive supply current Negative supply current Storage temperature range Values 12 5 -5 450 15 -55 to +155 Unit dBm V V mA mA C (3) Operation of this device above anyone of these parameters may cause permanent damage. (4) Duration < 1s. Ref. DSCHU3277391 - 01 Apr 03 2/7 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 CHU3277 W-band Multiplier/MPA Chip Mechanical Data and Pin References Units = m Chip size = 3900 x 1660 35 Chip thickness = 100 10 HF Pads (2,8) = 90 x 110 (BCB opening) DC Pads (4,5,6) = 100 x 100 (BCB opening) Pin number 1,3,7,9 6 2 8 5 4 Pin name Description Ground: should not be bonded. If required, please ask for more information. Ground (optional) Input port Output port Positive supply voltage Negative supply voltage 3/7 Specifications subject to change without notice GND IN OUT +V -V Ref. DSCHU3277391 - 01 Apr 03 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 CHU3277 W-band Multiplier/MPA Ref. DSCHU3277391 - 01 Apr 03 4/7 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 CHU3277 W-band Multiplier/MPA Typical Assembly and Bias Configuration This drawing shows an example of assembly and bias configuration. All the transistors are internally self-biased. An external capacitor is recommended for the positive and negative supply voltages. For the RF pads the equivalent wire bonding inductance (diameter=25m) has to be according to the following recommendation. Port IN (2) OUT (8) Equivalent inductance (nH) L_in = 0.27 L_out = 0.27 Wire length (mm) (1) 0.34 0.34 (1) This value is the total length including the necessary loop from pad to pad. For a microstrip configuration a hole in the substrate is necessary for chip assembly. Ref. DSCHU3277391 - 01 Apr 03 5/7 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 CHU3277 W-band Multiplier/MPA As the connection at 77GHz (between MMIC and external substrate) is critical, the transition matching network is split into two parts: one on MMIC and one on the external substrate. The following drawing gives the dimensions for a RO3003 substrate. RO3003 thickness = 0.127 mm, r=3. 0.78 0.225 0.3 0.3 0.15 0.15 0.1 Bonding area 0.328 0.15 0.1 Proposed matching network for a transition between MMIC Output port and a 50 microstrip line on RO3003 substrate. Ref. DSCHU3277391 - 01 Apr 03 6/7 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 CHU3277 W-band Multiplier/MPA Ordering Information Chip form : CHU3277-98F/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. DSCHU3277391 - 01 Apr 03 7/7 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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