TC3918 Datasheet, PDF (1/3 Pages) Transcom, Inc. – Packaged Single-Bias Low Noise PHEMT GaAs FETs

TC3918
REV1_20070503
Packaged Single-Bias Low Noise PHEMT GaAs FETs
FEATURES
! 0.7 dB Typical Noise Figure at 12 GHz
! High Associated Gain: Ga = 13 dB Typical at 12 GHz
! 18dBm Typical Power at 12 GHz
! 13 dB Typical Linear Power Gain at 12 GHz
! Lg = 0.25 µm, Wg = 160 µm
! 100 % DC Tested
! Micro-X Metal Ceramic Package
DESCRIPTION
PHOTO ENLARGEMENT
The TC3918 is a single-bias low noise ceramic micro-x packaged device with TC1101 PHEMT GaAs FETs,
which is designed to provide the single power supply application. The device is suitable for oscillator, low noise
amplifier in a wide range of commercial applications. All devices are 100% DC tested to assure consistent quality.
ELECTRICAL SPECIFICATIONS (T_A=25 °C)
Symbol
Conditions
NF Noise Figure at V_DS = 2 V, f = 12GHz
G_a Associated Gain at V_DS = 2 V, f = 12GHz
P_1dB Output Power at 1dB Gain Compression Point, f = 12GHz V_DS = 4 V
G_L Linear Power Gain, f = 12GHz V_DS = 4 V
I_DS Drain-Source Current at V_DS = 4 V
R_th Thermal Resistance
MIN
11
16.5
11
TYP
0.7
13
13
25
230
MAX
1.2
UNIT
dB
dB
dB
mA
°C/W
ABSOLUTE MAXIMUM RATINGS (T_A=25 °C) ^{TYPICAL NOISE PARAMETERS (T}A^{=25 °C)}
V_DS = 4 V
Symbol
V_DS
P_in
Parameter
Drain-Source Voltage
RF Input Power, CW
Rating
7.0 V
18 dBm
Frequency
(GHz)
2
4
NF_opt
(dB)
0.46
0.49
G_A(dB)
17.7
16.1
Γ_opt
MAG ANG
0.80
20
0.69
42
Rn/50
0.67
0.58
P_T
Continuous Dissipation
150 mW
6
0.52
14.6
0.56
69
0.45
T_CH
Channel Temperature
175 °C
8
0.56
13.2
0.42
103 0.32
T_STG
Storage Temperature
-65°C to +175°C
HANDLING PRECAUTIONS:
The user must operate in a clean, dry environment.
Electrostatic Discharge (ESD) precautions should be
observed at all stages of storage, handling, assembly,
10
0.64 12.0
0.31
146 0.19
12
0.73
11.0
0.23 -161 0.14
14
0.85 10.6
0.21
-97 0.13
16
1.08 10.5
0.26
-19 0.18
18
1.33 10.2
0.41
72
0.38
and testing. The static discharge must be less than
300V.
TRANSCOM, INC., 90 Dasoong 7^th Road, Tainan Science-Based Industrial Park, Hsin-She Shiang, Tainan County, Taiwan, R.O.C.
Web-Site: www.transcominc.com.tw
Phone: [phone]
Fax: [phone]
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