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

N-Channel RF Amplifier
(continued)
Electrical Characteristics
Symbol
Parameter
TA = 25°C unless otherwise noted
Test Conditions
Min Typ Max Units
OFF CHARACTERISTICS
V_(BR)GSS
Gate-Source Breakdown Voltage
I_GSS
Gate Reverse Current
V_GS(off)
Gate-Source Cutoff Voltage
I_G = - 1.0 µA, V_DS = 0
V_GS = - 20 V, V_DS = 0
V_GS = - 20 V, V_DS = 0, T_A = 100°C
V_DS = 15 V, I_D = 10 nA 2N5484
2N5485
2N5486
- 25
- 0.3
- 0.5
- 2.0
ON CHARACTERISTICS
I_DSS
Zero-Gate Voltage Drain Current*
V_DS = 15 V, V_GS = 0
2N5484 1.0
2N5485 4.0
2N5486 8.0
V
- 1.0 nA
- 0.2 µA
- 3.0 V
- 4.0 V
- 6.0 V
5.0 mA
10 mA
20 mA
SMALL SIGNAL CHARACTERISTICS
g_fs
Forward Transfer Conductance
Re₍y_is)
Input Conductance
g_os
Output Conductance
Re₍y_os)
Output Conductance
Re₍y_fs)
Forward Transconductance
C_iss
Input Capacitance
C_rss
Reverse Transfer Capacitance
C_oss
Output Capacitance
NF
Noise Figure
*Pulse Test: Pulse Width £ 300 ms, Duty Cycle £ 2%
V_DS = 15, V_GS = 0, f = 1.0 kHz
2N5484
2N5485
2N5486
V_DS = 15, V_GS = 0, f = 100 MHz
2N5484
V_DS = 15, V_GS = 0, f = 400 MHz
2N5485 / 2N5486
V_DS = 15, V_GS = 0, f = 1.0 kHz
2N5484
2N5485
2N5486
V_DS = 15, V_GS = 0, f = 100 MHz
2N5484
V_DS = 15, V_GS = 0, f = 400 MHz
2N5485 / 2N5486
V_DS = 15, V_GS = 0, f = 100 MHz
2N5484
V_DS = 15, V_GS = 0, f = 400 MHz
2N5485
2N5486
V_DS = 15, V_GS = 0, f = 1.0 MHz
3000
3500
4000
2500
3000
3500
6000 µmhos
7000 µmhos
8000 µmhos
100 µmhos
1000 µmhos
50 µmhos
60 µmhos
75 µmhos
75 µmhos
100 µmhos
µmhos
µmhos
µmhos
5.0 pF
V_DS = 15, V_GS = 0, f = 1.0 MHz
1.0 pF
V_DS = 15, V_GS = 0, f = 1.0 MHz
2.0 pF
V_DS= 15 V, R_G = 1.0 kΩ,
f = 100 MHz
2N5484
V_DS= 15 V, R_G = 1.0 kΩ,
f = 400 MHz
2N5484
V_DS= 15 V , R_G = 1.0 kΩ,
f = 100 MHz 2N5485 / 2N5486
V_DS= 15 V, R_G = 1.0 kΩ,
f = 400 MHz 2N5485 / 2N5486
3.0 dB
4.0
dB
2.0 dB
4.0 dB