2N5484 Datasheet, PDF (6/7 Pages) ON Semiconductor – JFET VHF/UHF Amplifiers

2N/SST5484 Series
Vishay Siliconix
TYPICAL CHARACTERISTICS (T_A = 25_C UNLESS OTHERWISE NOTED)
Common-Source Input Capacitance
vs. Gate-Source Voltage
5
f = 1 MHz
4
Common-Source Reverse Feedback
Capacitance vs. Gate-Source Voltage
3
f = 1 MHz
2.4
3
V_DS = 0 V
2
10 V
1
0
0
–4
–8
–12
–16
–20
V_GS – Gate-Source Voltage (V)
Input Admittance
100
T_A = 25_C
V_DS = 15 V
V_GS = 0 V
Common Source
b_is
10
g_is
1
1.8
V_DS = 0 V
1.2
0.6
10 V
0
0
–4
–8
–12
–16
–20
V_GS – Gate-Source Voltage (V)
Forward Admittance
100
T_A = 25_C
V_DS = 15 V
V_GS = 0 V
Common Source
10
g_fs
–b_fs
1
0.1
100
200
500
f – Frequency (MHz)
Reverse Admittance
10
T_A = 25_C
V_DS = 15 V
V_GS = 0 V
Common Source
–b_rs
1
1000
–g_rs
0.1
0.01
100
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200
500
f – Frequency (MHz)
1000
0.1
100
200
500
f – Frequency (MHz)
Output Admittance
10
T_A = 25_C
V_DS = 15 V
V_GS = 0 V
b_os
Common Source
1
1000
0.1
0.01
100
g_os
200
500
f – Frequency (MHz)
1000
Document Number: 70246
S-04028—Rev. E, 04-Jun-01