TC3989 REV3_20070503 5.8 GHz 35.5 dBm Prematched FETs FEATURES PHOTO ENLARGEMENT • 35.5 dBm Typical Power at 5.8 GHz • High Associated Gain: Ga = 8 dB Typical at 5.8 GHz • High Linearity: IP3 = 46 dBm Typical at 5.8 Ghz • High Power Added Efficiency: PAE ≥ 28 % for Class A Operation • Suitable for High Reliability Application • Lg = 0.6 µm, Wg = 12 mm • 100 % DC and RF Tested • Flange Ceramic Package DESCRIPTION The TC3989 is a 35.5 dBm partially prematched power FET assembled in a flange ceramic package. It requires simple matching networks to achieve high gain and high linearity for 5.8 GHz applications. All devices are 100 % DC and RF tested to assure consistent quality. ABSOLUTE MAXIMUM RATINGS at 25 °C ELECTRICAL SPECIFICATIONS VD=10 V, ID=1100 mA, f=5.8 GHz Parameter Conditions P-1* MIN 35 Ga* 7 TYP MAX UNIT Symbol Parameter Rating dBm VDS Drain-Source Voltage 12 V 8 dB VGS Gate-Source Voltage -5 V ID Drain Current 3A 35.5 IP3 Pout=23 dBm 46 dBm PAE @ P-1 28 % PT Continuous Dissipation Pin Input Power, CW 12 W 33 dBm IDSS VDS=2 V, VGS=0 V 3 A gm VDS=2 V, VGS=0 V 2000 mS TCH Channel Temperature 175 °C Volts TSTG Storage Temperature - 65 °C to +175 °C VP BVDGO Rth VDS=2 V,ID=24 mA IDGO=6 mA -1.7 18 22 Volts 2.5 °C/W * FET TO BE TESTED IN TRANSCOM FIXTURE. TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science-Based Industrial Park, Hsin-She Shiang, Tainan County Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 P1/3 TC3989 REV3_20070503 TEST CIRCUITS Evaluation Board Schematic (VD = 10 V, ID = 1100 mA) EVALUATION BOARD PCB Material: FR4 ER = 4.6 Thickness = 31 mil Unit: mil * DXF file of the PCB can be downloaded from our web-site at www.transcominc.com.tw TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science-Based Industrial Park, Hsin-She Shiang, Tainan County Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 P2/3 TC3989 REV3_20070503 Evaluation Board Parts List Part Type Reference Designator Capacitor Capacitor Capacitor Resistor C1,C2 C3,C4 C5,C6 R1 Description 3.5 pF (0603) 1000 pF (0603) 10 uF (B CASE) 10 ohm (0603) Manufacturer Murata Murata HITACHI Part Number GRM39C0G3R5C50V GRM39C0G102J50V FLANGE PACKAGE OUTLINE (in mm) Gate Source Source Drain TRANSCOM, INC., 90 Dasoong 7th Road, Tainan Science-Based Industrial Park, Hsin-She Shiang, Tainan County Taiwan, R.O.C. Web-Site: www.transcominc.com.tw Phone: 886-6-5050086 Fax: 886-6-5051602 P3/3