CFB0301_06 Datasheet, PDF (2/3 Pages) Mimix Broadband – High Dynamic Range Low Noise GaAs FET

High Dynamic Range
Low Noise GaAs FET
August 2006 - Rev 03-Aug-06
CFB0301
Typical Noise Parameters (Vds = 4 V, Ids = 30 mA)
Frequency
(GHz)
Fmin ¹
(dB)
Gamma Opt
Mag
Ang
Rn/50
0.8
0.4
0.6
27
0.19
1.0
0.4
0.6
29
0.17
1.2
0.4
0.6
32
0.18
1.4
0.4
0.6
35
0.18
1.6
0.4
0.5
38
0.17
1.8
0.4
0.5
41
0.16
2.0
0.5
0.5
45
0.15
2.2
0.5
0.5
49
0.15
2.4
0.5
0.5
54
0.14
2.6
0.5
0.5
60
0.13
Note: 1. Fmin values reflect the circuit losses in the test fixture when
matched to optimum noise figure.
Absolute Maximum Ratings
Parameter
Drain-Source Voltage
Gate-Source Voltage
Drain Current
Continuous Dissipation¹
Channel Temperature
Storage Temperature
Symbol
Vds
Vgs
Ids
Pt
Tch
Tstg
Rating
+8V
-5V
Idss
750 mW
175°C
-65°C to +150°C
Typical Performance
Optimum Noise Figure and Associated Gain
vs Frequency Vds = 2V, Ids = 25 mA
2.5
25
Associated Gain vs Ids
Vds = 2V, Frequency = 2 GHz
25
2.0
Associated Gain
1.5
20
20
15
15
1.0
Noise Figure
0.5
10
10
5
5
0
0
0
2
4
68
10
12
10 20
30 40 50 60 70
Frequency (GHz)
Ids (mA)
Optimum Noise Figure vs Ids & Vds
Frequency = 2 GHz
2.5
2.0
1.5
1.0
0.5
0.0
10 20
4V
2V
30 40 50 60 70
Ids (mA)
Typical Scattering Parameters (TA = 25°C, VDS = 2 V, IDS = 25 mA)
Frequency
S11
S21
S12
(GHz)
Mag
Ang
Mag (dB)
Ang
MAG (dB)
ANG
0.5
0.98
-20
7.17
161
0.02
78
1.0
0.94
-40
6.90
148
0.03
70
2.0
0.85
-76
6.00
119
0.05
52
3.0
0.76
-108
5.00
95
0.07
38
4.0
0.70
-130
4.30
75
0.08
30
5.0
0.64
-150
3.83
55
0.09
20
S22
MAG
ANG
0.42
-11
0.41
-24
0.36
-46
0.32
-65
0.30
-75
0.27
-85
Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099
Tel: [phone] Fax: [phone] mimixbroadband.com
Page 2 of 3
Characteristic Data and Specifications are subject to change without notice. ©2006 Mimix Broadband, Inc.
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