BF988 Vishay, BF988 Datasheet - Page 6

• 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

BF988
Vishay Semiconductors
V
S
S
www.vishay.com
6
DS
11
12
12960
12961
1300 MHz
= 8 V, I
180 °
–150 °
–j0.2
150 °
j0.2
Figure 14. Reverse Transmission Coefficient
0
Figure 13. Input Reflection Coefficient
–j0.5
D
–120 °
j0.5
= 10 mA, V
0.2
120 °
0.5
1000
1300 MHz
–90 °
90 °
300
1
–j
j
100
G2S
1000
0.04
2
= 4 V, Z
–60°
60 °
0.08
–j2
5
j2
100
–30°
30°
0
–j5
j5
0°
= 50 Ω
S
S
21
22
12963
12962
–j0.2
180 °
j0.2
0
–150°
100
Figure 15. Forward Transmission Coefficient
150 °
–j0.5
Figure 16. Output Reflection Coefficient
j0.5
0.2
400
–120 °
120 °
0.5
700
1
–j
j
–90 °
90 °
1300 MHz
2
1000
1300 MHz
1
–60 °
60 °
–j2
Document Number 85007
5
j2
100
2
–j5
–30°
j5
Rev. 1.6, 15-Apr-05
30 °
0 °