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| 27-29 GHz GaAs MMIC Power Amplifier AA028P1-00 Features I Single Bias Supply Operation (6 V) I 22 dBm Typical P1 dB Output Power at 28 GHz I 13.5 dB Typical Small Signal Gain I 0.25 m Ti/Pd/Au Gates I 100% On-Wafer RF and DC Testing I 100% Visual Inspection to MIL-STD-883 MT 2010 Chip Outline 1.700 1.613 1.371 0.086 0.329 0.000 0.000 0.519 2.784 3.400 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. Description Alpha's two-stage balanced Ka band GaAs MMIC power amplifier has a typical P1 dB of 22 dBm with 12.5 dB associated gain and 10% power added efficiency at 28 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 S-parameters and power characteristics prior to shipment for guaranteed performance. A broad range of applications exist in both the commercial and high reliability areas where high power and gain are required. 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 22 dBm 175C Electrical Specifications at 25C (VDS = 6 V) Parameter Drain Current (at Saturation) Small Signal Gain Input Return Loss Output Return Loss Output Power at 1 dB Gain Compression Saturated Output Power Gain at Saturation Thermal Resistance1 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. Condition F = 27-29 GHz F = 27-29 GHz F = 27-29 GHz F = 28 GHz F = 28 GHz F = 28 GHz Symbol IDS G RLI RLO P1 dB PSAT GSAT JC Min. 11 Typ.2 300 13.5 -13 -16 Max. 400 -10 -10 Unit mA dB dB dB dBm dBm dB C/W 21 22 22 23 11 51 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 27-29 GHz GaAs MMIC Power Amplifier AA028P1-00 Typical Performance Data 20 S21 10 0 26 24 22 PIN 14 12 POUT (dBm) 20 18 16 14 12 10 10 8 6 4 (dB) -10 -20 -30 S11 S22 S12 -40 26 27 28 29 30 31 32 27 28 29 30 31 32 Frequency (GHz) Frequency (GHz) Typical Small Signal Performance S-Parameters (VDS = 6 V) Output Characteristics as a Function of Frequency and Input Drive Level (VDS = 6 V) Bias Arrangement 50 pF 50 pF 6V .01 F Circuit Schematic RF IN RF OUT Detail A 50 pF 50 pF .01 F 6V RF IN VDS VDS For biasing on, adjust VDS from zero to the desired value (6 V recommended). For biasing off, reverse the biasing on procedure. SEE DETAIL A RF OUT VDS VDS 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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