U440-E3 Datasheet, PDF (5/7 Pages) Vishay Siliconix – Matched N-Channel JFET Pairs

U440/441
Vishay Siliconix
TYPICAL CHARACTERISTICS (T_A = 25_C UNLESS OTHERWISE NOTED)
Common-Source Input Capacitance
vs. Gate-Source Voltage
10
Common-Source Reverse Feedback
Capacitance vs. Gate-Source Voltage
5
f = 1 MHz
f = 1 MHz
8
4
6
V_DS = 5 V
4
V_DS = 0 V
2
V_DS = 10 V
0
0
–4
–8
–12
–16
–20
V_GS – Gate-Source Voltage (V)
Input Admittance
100
T_A = 25_C
V_DS = 10 V
I_D = 10 mA
10 ^gig
b_is
1 b_ig
3
V_DS = 5 V
2
V_DS = 0 V
1
V_DS = 10 V
0
0
–4
–8
–12
–16
–20
V_GS – Gate-Source Voltage (V)
Forward Admittance
100
T_A = 25_C
V_DS = 10 V
I_D = 10 mA
10
–b_fs
1
b_fg
–g_fg
g_fs
g_is
0.1
100
200
500
f – Frequency (MHz)
Reverse Admittance
10
T_A = 25_C
V_DS = 10 V
I_D = 10 mA
1
–b_rs
–b_rg
0.1
–g_rs
0.01
100
–g_rg
g_rg
200
500
f – Frequency (MHz)
Document Number: 70251
S-04031—Rev. D, 04-Jun-01
1000
1000
0.1
100
200
500
f – Frequency (MHz)
Output Admittance
100
T_A = 25_C
V_DS = 10 V
I_D = 10 mA
10
1000
b_og, b_os
1
g_og, g_os
0.1
100
200
500
f – Frequency (MHz)
1000
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