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2N5484

JFET VHF/UHF Amplifiers



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2N5484 pdf
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
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by 2N5484/D
JFET VHF/UHF Amplifiers
N–Channel — Depletion
3
GATE
1 DRAIN
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2N5486
2 SOURCE
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Drain – Gate Voltage
Reverse Gate – Source Voltage
Drain Current
Forward Gate Current
Total Device Dissipation @ TC = 25°C
Derate above 25°C
VDG
VGSR
ID
IG(f)
PD
25 Vdc
25 Vdc
30 mAdc
10 mAdc
350 mW
2.8 mW/°C
Operating and Storage Junction
Temperature Range
TJ, Tstg
– 65 to +150
°C
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
OFF CHARACTERISTICS
Gate – Source Breakdown Voltage
(IG = –1.0 µAdc, VDS = 0)
Gate Reverse Current
(VGS = –20 Vdc, VDS = 0)
(VGS = –20 Vdc, VDS = 0, TA = 100°C)
Gate Source Cutoff Voltage
(VDS = 15 Vdc, ID = 10 nAdc)
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V(BR)GSS
IGSS
VGS(off)
ON CHARACTERISTICS
Zero – Gate –Voltage Drain Current
(VDS = 15 Vdc, VGS = 0)
SMALL– SIGNAL CHARACTERISTICS
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2N5486
IDSS
Forward Transfer Admittance
(VDS = 15 Vdc, VGS = 0, f = 1.0 kHz)
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2N5486
yfs
Input Admittance
(VDS = 15 Vdc, VGS = 0, f = 100 MHz)
(VDS = 15 Vdc, VGS = 0, f = 400 MHz)
Output Admittance
(VDS = 15 Vdc, VGS = 0, f = 1.0 kHz)
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2N5486
2N5484
2N5486
Re(yis)
yos
Output Conductance
(VDS = 15 Vdc, VGS = 0, f = 100 MHz)
(VDS = 15 Vdc, VGS = 0, f = 400 MHz)
Forward Transconductance
(VDS = 15 Vdc, VGS = 0, f = 100 MHz)
(VDS = 15 Vdc, VGS = 0, f = 400 MHz)
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2N5486
2N5484
2N5486
Re(yos)
Re(yfs)
Min
– 25
– 0.3
– 2.0
1.0
8.0
3000
4000
2500
3500
1
2
3
CASE 29–04, STYLE 5
TO–92 (TO–226AA)
Typ Max Unit
— — Vdc
— –1.0 nAdc
– 0.2
µAdc
Vdc
— – 3.0
— – 6.0
— 5.0 mAdc
— 20
mmhos
— 6000
— 8000
mmhos
— 100
— 1000
mmhos
— 50
— 75
mmhos
— 75
— 100
mmhos
——
——
Motorola Small–Signal Transistors, FETs and Diodes Device Data
© Motorola, Inc. 1997
1



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2N5484 2N5486
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
Typ
Max Unit
SMALL– SIGNAL CHARACTERISTICS (continued)
Input Capacitance
(VDS = 15 Vdc, VGS = 0, f = 1.0 MHz)
Ciss — — 5.0 pF
Reverse Transfer Capacitance
(VDS = 15 Vdc, VGS = 0, f = 1.0 MHz)
Crss
— 1.0 pF
Output Capacitance
(VDS = 15 Vdc, VGS = 0, f = 1.0 MHz)
Coss
— 2.0 pF
FUNCTIONAL CHARACTERISTICS
Noise Figure
(VDS = 15 Vdc, VGS = 0, RG = 1.0 Megohm, f = 1.0 kHz)
(VDS = 15 Vdc, ID = 1.0 mAdc, RG 1.0 k, f = 100 MHz)
(VDS = 15 Vdc, ID = 1.0 mAdc, RG 1.0 k, f = 200 MHz)
(VDS = 15 Vdc, ID = 4.0 mAdc, RG 1.0 k, f = 100 MHz)
(VDS = 15 Vdc, ID = 4.0 mAdc, RG 1.0 k, f = 400 MHz)
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NF
dB
— — 2.5
— — 3.0
— 4.0 —
— — 2.0
— — 4.0
Common Source Power Gain
(VDS = 15 Vdc, ID = 1.0 mAdc, f = 100 MHz)
(VDS = 15 Vdc, ID = 1.0 mAdc, f = 200 MHz)
(VDS = 15 Vdc, ID = 4.0 mAdc, f = 100 MHz)
(VDS = 15 Vdc, ID = 4.0 mAdc, f = 400 MHz)
Gps dB
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16 — 25
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— 14 —
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18 — 30
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10 — 20
POWER GAIN
24
f = 100 MHz
20
16
12 400 MHz
8.0 Tchannel = 25°C
VDS = 15 Vdc
VGS = 0 V
4.0
0 2.0 4.0 6.0 8.0 10 12 14
ID, DRAIN CURRENT (mA)
Figure 1. Effects of Drain Current
2 Motorola Small–Signal Transistors, FETs and Diodes Device Data



Part Number 2N5484
Description JFET VHF/UHF Amplifiers
Maker ON Semiconductor - ON Semiconductor
Total Page 8 Pages
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