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37-40 GHz GaAs MMIC Driver Amplifier AA038P2-00 Features I Single Bias Supply Operation (5 V) I 13 dB Typical Small Signal Gain I 14 dBm Typical P1 dB Output Power at 38 GHz I 0.25 m Ti/Pd/Au Gates I 100% On-Wafer RF and DC Testing 0.000 3.050 1.525 1.413 Chip Outline 0.458 1.414 2.418 0.761 I 100% Visual Inspection to MIL-STD-883 MT 2010 0.000 Description Alpha's two-stage reactively-matched 37-40 GHz GaAs MMIC driver amplifier has typical small signal gain of 13 dB with a typical P1 dB of 14 dBm at 38 GHz. The chip uses Alpha's proven 0.25 m MESFET technology, and is based upon MBE layers and electron beam lithography for the highest uniformity and repeatability. The FETs employ surface passivation to ensure a rugged, reliable part with through-substrate via holes and gold-based backside metallization to facilitate a conductive epoxy die attach process. All chips are screened for gain, output power and S-parameters prior to shipment for guaranteed performance. Dimensions indicated in mm. All DC (V) pads are 0.1 x 0.1 mm and RF In, Out pads are 0.07 mm wide. Chip thickness = 0.1 mm. Absolute Maximum Ratings Characteristic Operating Temperature (TC) Storage Temperature (TST) Bias Voltage (VD) Power In (PIN) Junction Temperature (TJ) Value -55C to +90C -65C to +150C 7 VDC 16 dBm 175C Electrical Specifications at 25C (VDS = 5 V) Parameter Drain Current Small Signal Gain Input Return Loss Output Return Loss Output Power at 1 dB Gain Compression Saturated Output Power Thermal Resistance1 F = 37-40 GHz F = 37-40 GHz F = 37-40 GHz F = 38 GHz F = 38 GHz Condition Symbol IDS G RLI RLO P1 dB PSAT JC 13 15 11 Min. Typ.2 75 13 -9 -12 14 16 199 -6 -10 Max. 100 Unit mA dB dB dB dBm dBm C/W 1. Calculated value based on measurement of discrete FET. 2. Typical represents the median parameter value across the specified frequency range for the median chip. Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 12/99A 1 37-40 GHz GaAs MMIC Driver Amplifier AA038P2-00 Typical Performance Data 20.0 10.0 0.0 S21 Circuit Schematic (dB) -10.0 -20.0 -30.0 -40.0 S11 S22 Detail A S12 36 37 38 39 40 41 42 V Frequency (GHz) Typical Small Signal Performance S-Parameters (VDS = 5 V) RF IN Bias Arrangement 5V .01 F 50 pF See Detail A RF OUT RF IN RF OUT For biasing on, adjust VDS from zero to the desired value (5 V recommended). For biasing off, reverse the biasing on procedure. 2 Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 12/99A |
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