TC3989
REV3_20070503
5.8 GHz 35.5 dBm Prematched FETs
FEATURES
• 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
PHOTO ENLARGEMENT
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.
ELECTRICAL SPECIFICATIONS
VD=10 V, ID=1100 mA, f=5.8 GHz Parameter Conditions P-1* Ga* IP3 PAE IDSS gm VP BVDGO Rth Pout=23 dBm @ P-1 VDS=2 V, VGS=0 V VDS=2 V, VGS=0 V VDS=2 V,ID=24 mA IDGO=6 mA 18 MIN 35 7 TYP MAX UNIT 35.5 8 46 28 3 2000 -1.7 22 2.5 dBm dB dBm % A mS Volts Volts °C/W
ABSOLUTE MAXIMUM RATINGS at 25 °C
Symbol VDS VGS ID PT Pin TCH TSTG Parameter Drain-Source Voltage Gate-Source Voltage Drain Current Continuous Dissipation Input Power, CW Channel Temperature Storage Temperature Rating 12 V -5 V 3A 12 W 33 dBm 175 °C - 65 °C to +175 °C
* 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 Description Manufacturer Part Number
Capacitor Capacitor Capacitor Resistor
C1,C2 C3,C4 C5,C6 R1
3.5 pF (0603) 1000 pF (0603) 10 uF (B CASE) 10 ohm (0603)
Murata Murata HITACHI
GRM39C0G3R5C50V GRM39C0G102J50V
FLANGE PACKAGE OUTLINE (in mm)
G ate
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
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