2N5484 Datasheet, PDF (4/7 Pages) ON Semiconductor – JFET VHF/UHF Amplifiers

Typical Characteristics (continued)
N-Channel RF Amplifier
(continued)
Transconductance vs
Drain Current
10
V _GGSS(OFF) = - 1.5V
5
T_A = -55 ^OC
T = +25 O C
A
T = +125O C
A
1
0.5
V _GGSS(OFF) = - 5V
T_A = -55 ^OC
T = +25 ^O C
A
T = +125O C
A
V DG = 15V
0.1
0.01 0.02
f = 1.0 kHz
0.05 0.1 0.2 0.5 1 2
I - DRAIN CURRENT (mA)
D
5 10
Noise Voltage vs Frequency
V DG = 15V
BW = 6.0 Hz @ f = 10 Hz, 100 Hz
= 0.2 f @ f > 1.0 kHz
10
I _D = 0.5 mA
5
I = 3 mA
D
1
0.01 0.03 0.1 0.3 1 3 10 30 100
f -- FREQUENCY (kHz)
Capacitance vs Voltage
10
f = 0.1 - 1.0 MHz
5
C _isC( V (_DV_S = 15= V15) V)
1
C _rs ( V _DS = 0 V)
0
-5
-10
-15
-20
V_GS-- GATE-SOURCE VOLTAGE(V)
Noise Figure Frequency
5
V DS = 15V
4 ^{I D = 5.0 mA}
R _g = 1.0 k Ω
T = +25 ^O C
A
3
2
1
0
10
20 30 50 100 200 300 500 1000
f -- FREQUENCY (MHz)
Power Dissipation vs
Ambient Temperature
350
300
250 SOT-23
200
TO-92
150
100
50
0
0
25
50
75
100 125 150
TEMPERATURE ( ^oC)