PHA2731-190M Radar Pulsed Power Amplifier—190 Watts 2.7—3.1 GHz, 200µs Pulse, 10% Duty Outline Drawing1 Features • • • • • • Input and Output matched to 50Ω RC bias circuit included Dual NPN Silicon class C power transistors Soft substrate εr = 10.5 Hermetic Package Nickel plated copper flange Description M/A-COM’s PHA2731-190M is a Class C microwave power amplifier module specifically designed for S-Band radar pulsed power applications where high efficiency and saturated power are required. The module incorporates two in-phase combined common base hybrid power transistors and is input and output matched to 50 Ω for unparalleled ease of PA design. The thick copper base and ceramic transistor packaging technology provides for excellent thermal management, which when combined with M/A-COM’s mature transistor fabrication technology results in the highest reliability available. Notes: (unless otherwise specified) 1. Tolerances are: inches ± .005” (millimeters ± 0.13mm) Absolute Maximum Rating at 25°C Parameter Collector-Emitter Voltage Emitter-Base Voltage Junction Temperature Symbol VCES VEBO Tj Rating 65 3.0 200 Units V V °C Thermal Resistance Operating Flange Temp. Storage Temperature θJC 0.35 -10 to +100 -20 to +125 °C/W °C °C TC TSTG Electrical Specifications at 25°C= Symbol Pout Gp ηC RL Droop 2fc Spurious ∆ϕ VSWR-T OD-STAB GF Parameter Output Power Power Gain Test Conditions VCC = 38V, PIN = 34W, f = 2.7, 2.9, 3.1 GHz VCC = 38V, POUT = 190W, f = 2.7, 2.9, 3.1 GHz Units W dB Min 190 7.5 Typ 205 8 Collector Efficiency Input Return Loss Pulse Amplitude Droop 2nd Harmonic Spurious Level Insertion Phase Deviation Tolerance and Stability Stability at Overdrive Gain Flatness over Frequency VCC = 38V, POUT = 190W, f = 2.7, 2.9, 3.1 GHz VCC = 38V, POUT = 190W, f = 2.7, 2.9, 3.1 GHz VCC = 38V, POUT = 190W, f = 2.7, 2.9, 3.1 GHz VCC = 38V, POUT = 190W, f = 2.7, 2.9, 3.1 GHz VCC = 38V, POUT = 190W, f = 2.7, 2.9, 3.1 GHz VCC = 38V, POUT = 190W, f = 2.7, 2.9, 3.1 GHz VCC = 38V, POUT = 190W, f = 2.7, 2.9, 3.1 GHz PIN = (PIN @ POUT = 190W) + 1 dB1 VCC = 38V, POUT = 190W, f = 2.7, 2.9, 3.1 GHz % dB dB dBc dBc Deg. VSWR 33 10 35 -17 -20 dB Max 1 -50 +20 1.5:1 -20 1.0 1.3 1. No oscillations and no spurs at 1 dB overdrive. Specifications subject to change without notice. V 2.0 North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 1 Radar Pulsed Power Amplifier—190 Watts, 2.7-3.1 GHz, 200µs Pulse, 10% Duty PHA2731-190M Amplifier in RF Test Fixture VCC RF IN RF OUT VCC Typical Performance Curves Performance at 190W POUT, VCC=38V, 200 µs, 10% GAIN (dB) 9 40 8.5 35 8 30 7.5 25 2.8 2.9 3 20 3.1 FREQUENCY (GHz) 80 Pout 2.7GHz 250 70 Pout 2.9GHz Pout 3.1GHz 200 60 Eff. 2.7GHz Eff. 2.9GHz 150 50 Eff. 3.1GHz 100 40 50 30 0 Collector Efficiency (%) 45 Eff. 300 POUT (Watts) Gain 9.5 7 2.7 Performance vs. PIN, 38 VCC=38V, 200 µs, 10% 50 Collector Efficiency (%) 10 20 5 15 25 35 45 PIN (Watts) Specifications subject to change without notice. V 2.0 North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 2