BF988 Vishay, BF988 Datasheet - Page 3

• Manufacturer Part Number: BF988
• Manufacturer: Vishay

Specifications of BF988

• Application: VHF/UHF
• Channel Type: N
• Channel Mode: Depletion
• Continuous Drain Current: 0.03A
• Drain Source Voltage (max): 12V
• Power Gain (typ)@vds: 28@8VdB
• Noise Figure (max): 1.5(Typ)dB
• Package Type: TO-50
• Pin Count: 4
• Forward Transconductance (typ): 0.024S
• Input Capacitance (typ)@vds: 2.1@8V@Gate 1/1.2@8V@Gate 2pF
• Output Capacitance (typ)@vds: 1.05@8VpF
• Reverse Capacitance (typ): 0.025@8VpF
• Operating Temp Range: -55C to 150C
• Mounting: Surface Mount
• Number Of Elements: 1
• Power Dissipation (max): 200mW
• Screening Level: Military
• Lead Free Status / Rohs Status: Compliant

Common Emitter S-Parameters
V
Document Number 85007
Rev. 1.6, 15-Apr-05
DS
I
D
= 8 V, V
10
15
/mA
5
G2S
= 4 V, Z
f/MHz
1000
1100
1200
1300
1000
1100
1200
1300
3000
1000
1100
1200
1300
100
200
300
400
500
600
700
800
900
100
200
300
400
500
600
700
800
900
100
200
400
500
600
700
800
900
0
= 50 Ω, T
MAG
-0.02
-0.10
-0.31
-0.56
-0.87
-1.26
-1.59
-2.04
-2.42
-2.88
-3.39
-3.94
-4.46
-0.02
-0.11
-0.35
-0.62
-0.97
-1.39
-1.76
-2.25
-2.67
-3.16
-3.72
-4.30
-4.87
-0.01
-0.13
-0.37
-0.66
-1.02
-1.47
-1.85
-2.36
-2.80
-3.30
-4.49
-5.06
LOG
3.89
amb
S11
= 25 °C, unless otherwise specified
-15.3
-22.8
-30.2
-37.3
-44.3
-50.9
-58.0
-64.4
-71.4
-78.3
-85.2
-91.8
-16.1
-24.0
-31.6
-39.2
-46.4
-53.2
-60.3
-67.1
-74.1
-81.1
-88.0
-94.4
-16.4
-24.5
-32.3
-39.8
-47.0
-54.1
-61.3
-67.9
-75.0
-82.0
-88.8
-95.2
ANG
deg
-7.8
-8.3
-8.4
MAG
LOG
6.01
5.87
5.69
5.42
5.17
4.85
4.54
4.25
4.02
3.78
3.42
3.21
3.01
7.84
7.70
7.49
7.21
6.93
6.59
6.27
5.97
5.71
5.46
5.07
4.85
4.63
8.62
8.46
8.26
7.96
7.66
7.33
6.98
6.68
6.42
6.15
5.75
5.52
5.30
S21
168.4
156.3
144.2
132.9
121.5
110.6
100.4
168.5
156.6
144.8
133.6
122.5
111.9
101.9
168.6
156.8
145.2
134.0
122.9
112.3
102.6
ANG
90.2
80.6
70.8
60.5
51.6
42.0
92.1
82.8
73.3
63.3
54.6
45.4
92.8
83.7
74.3
64.6
56.0
46.9
deg
-56.27
-50.61
-47.70
-46.19
-45.46
-45.84
-47.31
-48.19
-50.37
-49.48
-44.65
-41.76
-55.67
-50.01
-47.20
-45.60
-44.88
-45.25
-46.51
-47.19
-49.28
-48.99
-48.03
-45.15
-42.46
-55.26
-49.61
-46.70
-45.10
-44.38
-44.65
-45.72
-46.29
-48.18
-48.49
-47.93
-45.75
-43.05
47.92
MAG
LOG
S12
Vishay Semiconductors
115.6
131.7
153.0
159.8
107.1
123.3
147.6
157.6
114.8
141.2
153.4
ANG
83.0
76.6
70.9
65.6
60.6
55.4
58.6
63.3
81.5
83.0
76.4
70.3
65.1
60.0
54.5
57.4
61.4
76.0
83.0
76.3
70.3
64.9
59.7
54.3
57.0
60.0
71.9
98.7
deg
-0.02
-0.06
-0.13
-0.20
-0.28
-0.36
-0.43
-0.49
-0.52
-0.54
-0.66
-0.66
-0.66
-0.04
-0.09
-0.16
-0.23
-0.31
-0.42
-0.48
-0.55
-0.58
-0.60
-0.73
-0.73
-0.73
-0.07
-0.12
-0.20
-0.27
-0.36
-0.47
-0.53
-0.61
-0.64
-0.66
-0.77
-0.79
-0.79
LOG
MAG
BF988
www.vishay.com
S22
-10.6
-14.2
-17.5
-23.8
-26.8
-30.2
-33.4
-36.8
-40.1
-43.9
-10.8
-14.3
-20.9
-24.1
-27.3
-30.6
-33.8
-37.2
-40.6
-44.3
-11.0
-14.4
-18.0
-20.9
-24.2
-27.4
-30.6
-33.9
-37.3
-40.8
-44.5
ANG
20.5
17.9
deg
-3.6
-7.3
-3.7
-7.4
-3.7
-7.5
3