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CHA7012 Datasheet(PDF) 1 Page - United Monolithic Semiconductors |
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CHA7012 Datasheet(HTML) 1 Page - United Monolithic Semiconductors |
1 / 10 page CHA7012 RoHS COMPLIANT Ref. : DSCHA70129082- 23 March 09 1/10 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 X-band HBT High Power Amplifier GaAs Monolithic Microwave IC Description The CHA7012 chip is a monolithic two-stage GaAs high power amplifier designed for X band applications. This device is manufactured using a GaInP HBT process, including, via holes through the substrate and air bridge. A nitride layer protects the transistors and the passive components. Special heat removal techniques are implemented to guarantee high reliability. To simplify the assembly process: -the backside of the chip is both RF and DC grounded -bond pads and back side are gold plated for compatibility with eutectic die attach method and thermosonic or thermo compression bonding process. Main Features Frequency band: 9.2 -10.4GHz Output power (P3dB ): 38.5dBm High linear gain: > 20dB High PAE: > 38% Two biasing modes: -VDigital control thanks to TTL interface -VAnalog control thanks to biasing circuit Chip size: 5.00 x 3.68 x 0.1mm Main Characteristics Vc=7.5V, Ic (Quiescent) = 1.9A, Pulse width=100µs, Duty cycle = 20% Symbol Parameter Min Typ Max Unit Fop Operating frequency range 9.2 10.4 GHz Psat Saturated output power @ 25°C 9 W P_3dBc Output power @ 3dBc @ 25°C 7 W G Small signal gain @ 25°C 20 dB Top Operating temperature range -40 +80 °C ESD Protections: Electrostatic discharge sensitive device. Observe handling precautions! 16 20 24 28 32 36 40 44 9 9.2 9.4 9.6 9.8 10 10.2 10.4 10.6 Frequency ( GHz) Linear Gain (Pin=0dBm) PAE@3dBc (%) Pout@3dBc(dBm Pout & PAE @3dBc and Linear Gain @ 25°C IN OUT TI Vc Biasing Circuit Vctrl TTL Circuit TO Vc Vc Vctrl TO Vc Vc TI Vc Biasing Circuit TTL Circuit IN OUT TI Vc Biasing Circuit Vctrl TTL Circuit TO Vc Vc Vctrl TO Vc Vc TI Vc Biasing Circuit TTL Circuit |
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