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| PTB 20248 0.7 Watts, 1465-1513 MHz Cellular Radio RF Power Transistor Description The 20248 is a class A, NPN, common emitter RF power transistor intended for 26 Vdc operation from 1465 to 1513 MHz. Rated at 0.7 watts minimum output power, it may be used for both CW and PEP applications. Ion implantation, nitride surface passivation and gold metallization are used to ensure excellent device reliability. 100% lot traceability is standard. 0.7 Watts, 26 Vdc Class A Characteristics Surface Mountable Available in Tape and Reel Gold Metallization Silicon Nitride Passivated Typical Output Power vs. Input Power 1.2 Output Power (Watts) 1 0.8 0.6 0.4 0.2 0 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 VCC = 26 V ICQ = 0.120 A f = 1513 MHz 202 48 LO TC OD E Input Power (Watts) Package 20227 Maximum Ratings Parameter Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage (collector open) Collector Current (continuous) Total Device Dissipation at Tflange = 25C Above 25C derate by Storage Temperature Range Thermal Resistance (Tflange = 70C) TSTG RJC Symbol VCER VCBO VEBO IC PD Value 55 55 4 0.5 5.4 0.031 -40 to +150 32.3 Unit Vdc Vdc Vdc Adc Watts W/C C C/W 1 9/28/98 PTB 20248 Electrical Characteristics Characteristic Breakdown Voltage C to E Breakdown Voltage C to E Breakdown Voltage E to B DC Current Gain (100% Tested) Conditions IB = 0 A, IC = 5 mA, RBE = 22 VBE = 0 V, IC = 5 mA IC = 0 A, IE = 5 mA VCE = 5 V, IC = 200 mA Symbol V(BR)CER V(BR)CES V(BR)EBO hFE Min 55 55 4 20 Typ -- -- 5 -- Max -- -- -- -- Units Volts Volts Volts -- RF Specifications (100% Tested) Characteristic Gain (VCC = 26 Vdc, Pout = 0.2 W, ICQ = 120 mA, f = 1513 MHz) Power Output at 1 dB Compression (VCC = 26 Vdc, ICQ = 120 mA, f = 1513 MHz) Load Mismatch Tolerance (VCC = 26 Vdc, Pout = 0.7 W, ICQ = 120 mA, f = 1513 MHz --all phase angles at frequency of test) Symbol Gpe P-1dB Min 10 0.7 -- Typ 12 0.9 -- Max -- -- 5:1 Units dB Watts -- Impedance Data (data shown for fixed-tuned broadband circuit) (VCC = 26 Vdc, Pout = 0.7 W, ICQ = 120 mA) Z Source Z Load Frequency MHz 1465 1489 1513 R 6.50 5.70 5.00 Z Source jX 6.10 7.60 8.90 R 10.60 10.70 10.90 Z Load jX 37.30 38.90 40.50 Z0 = 50 2 5 /19 /9 8 PTB 20248 Typical Performance Gain vs. Frequency (as measured in a broadband circuit) 16 15 Gain (dB) 14 VCC = 26 V 13 ICQ = 0.120 A Pout = 0.2 W 12 1465 1475 1485 1495 1505 1515 Frequency (MHz) Ericsson Components RF Power Products 675 Jarvis Drive Morgan Hill, CA 95037 USA Telephone: 408-778-9434 1-877-GOLDMOS (1-877-465-3667) e-mail: rfpower@ericsson.com www.ericsson.com/rfpower Specifications subject to change without notice. LF (c) 1997 Ericsson Inc. EUS/KR 1301-PTB 20248 Uen Rev. A 09-28-98 3 |
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