TRANSCOM TC3989

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