ETC 2N5484/D

ON Semiconductor
JFET VHF/UHF Amplifiers
2N5484
2N5486
N–Channel — Depletion
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Drain–Gate Voltage
VDG
25
Vdc
Reverse Gate–Source Voltage
VGSR
25
Vdc
ID
30
mAdc
Forward Gate Current
IG(f)
10
mAdc
Total Device Dissipation @ TC = 25°C
Derate above 25°C
PD
350
2.8
mW
mW/°C
TJ, Tstg
–65 to +150
°C
Drain Current
Operating and Storage Junction
Temperature Range
1
2
3
CASE 29–11, STYLE 5
TO–92 (TO–226AA)
1 DRAIN
3
GATE
2 SOURCE
 Semiconductor Components Industries, LLC, 2001
March, 2001 – Rev. 1
1
Publication Order Number:
2N5484/D
2N5484 2N5486
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
V(BR)GSS
–25
—
—
Vdc
—
—
—
—
–1.0
–0.2
nAdc
µAdc
–0.3
–2.0
—
—
–3.0
–6.0
1.0
8.0
—
—
5.0
20
3000
4000
—
—
6000
8000
—
—
—
—
100
1000
—
—
—
—
50
75
—
—
—
—
75
100
2500
3500
—
—
—
—
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)
IGSS
VGS(off)
2N5484
2N5486
Vdc
ON CHARACTERISTICS
Zero–Gate–Voltage Drain Current
(VDS = 15 Vdc, VGS = 0)
2N5484
2N5486
IDSS
mAdc
SMALL–SIGNAL CHARACTERISTICS
Forward Transfer Admittance
(VDS = 15 Vdc, VGS = 0, f = 1.0 kHz)
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)
yfs
2N5484
2N5486
mhos
mhos
Re(yis)
2N5484
2N5486
yos
2N5484
2N5486
Output Conductance
(VDS = 15 Vdc, VGS = 0, f = 100 MHz)
(VDS = 15 Vdc, VGS = 0, f = 400 MHz)
2N5484
2N5486
Forward Transconductance
(VDS = 15 Vdc, VGS = 0, f = 100 MHz)
(VDS = 15 Vdc, VGS = 0, f = 400 MHz)
2N5484
2N5486
mhos
mhos
Re(yos)
mhos
Re(yfs)
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2N5484 2N5486
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol
Min
Typ
Max
Unit
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
—
—
—
—
—
—
—
4.0
—
—
2.5
3.0
—
2.0
4.0
16
—
18
10
—
14
—
—
25
—
30
20
SMALL–SIGNAL CHARACTERISTICS (continued)
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 kΩ, f = 100 MHz)
4
(VDS = 15 Vdc, ID = 1.0 mAdc, RG ≈ 1.0 kΩ, f = 200 MHz)
4
(VDS = 15 Vdc, ID = 4.0 mAdc, RG ≈ 1.0 kΩ, f = 100 MHz)
6
(VDS = 15 Vdc, ID = 4.0 mAdc, RG ≈ 1.0 kΩ, f = 400 MHz)
6
NF
dB
2N548
2N548
2N548
2N548
Common Source Power Gain
(VDS = 15 Vdc, ID = 1.0 mAdc, f = 100 MHz)
4
(VDS = 15 Vdc, ID = 1.0 mAdc, f = 200 MHz)
4
(VDS = 15 Vdc, ID = 4.0 mAdc, f = 100 MHz)
6
(VDS = 15 Vdc, ID = 4.0 mAdc, f = 400 MHz)
6
Gps
dB
2N548
2N548
2N548
2N548
POWER GAIN
24
f = 100 MHz
PG , POWER GAIN (dB)
20
16
12
400 MHz
Tchannel = 25°C
VDS = 15 Vdc
VGS = 0 V
8.0
4.0
0
2.0
4.0
6.0
8.0
10
ID, DRAIN CURRENT (mA)
Figure 1. Effects of Drain Current
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2N5484 2N5486
NEUTRALIZING
COIL
INPUT
TO 50 Ω
SOURCE
C2
L1
C4
Rg′
C5
L3
*L2
*L3
7.0 pF
1.8 pF
C2
1000 pF
17 pF
L2
C7
VGS
*L1
400 MHz
C1
TO 500 Ω
LOAD
CASE
C6
Adjust VGS for
ID = 50 mA
VGS < 0 Volts
100 MHz
C3
C1
NOTE:
COMMON
VDS
+15 V
ID = 5.0 mA
The noise source is a hot–cold body
(AIL type 70 or equivalent) with a
test receiver (AIL type 136 or equivalent).
**L1
17 turns, (approx. — depends upon circuit layout) AWG #28
enameled copper wire, close wound on 9/32″ ceramic coil
form. Tuning provided by a powdered iron slug.
4–1/2 turns, AWG #18 enameled copper wire, 5/16″ long,
3/8″ I.D. (AIR CORE).
3–1/2 turns, AWG #18 enameled copper wire, 1/4″ long,
3/8″ I.D. (AIR CORE).
**L2
**L3
VALUE
Reference
Designation
C3
3.0 pF
1.0 pF
C4
1–12 pF
0.8–8.0 pF
C5
1–12 pF
0.8–8.0 pF
C6
0.0015 µF
0.001 µF
C7
0.0015 µF
0.001 µF
L1
3.0 µH*
0.2 µH**
L2
0.15 µH*
0.03 µH**
L3
0.14 µH*
0.022 µH**
6 turns, (approx. — depends upon circuit layout) AWG #24
enameled copper wire, close wound on 7/32″ ceramic coil
form. Tuning provided by an aluminum slug.
1 turn, AWG #16 enameled copper wire, 3/8″ I.D.
(AIR CORE).
1/2 turn, AWG #16 enameled copper wire, 1/4″ I.D.
(AIR CORE).
Figure 2. 100 MHz and 400 MHz Neutralized Test Circuit
NOISE FIGURE
(Tchannel = 25°C)
6.5
10
ID = 5.0 mA
NF, NOISE FIGURE (dB)
f = 400 MHz
4.0
2.0
0
2.0
4.5
f = 400 MHz
3.5
2.5
100 MHz
16
4.0 6.0 8.0
10
12
14
VDS, DRAIN-SOURCE VOLTAGE (VOLTS)
18
1.5
20
100 MHz
0
Figure 3. Effects of Drain–Source Voltage
2.0
4.0
6.0
8.0
10
ID, DRAIN CURRENT (mA)
INTERMODULATION CHARACTERISTICS
3RD ORDER INTERCEPT
+20
0
-20
VDS = 15 Vdc
f1 = 399 MHz
f2 = 400 MHz
-40
-60
-80
3RD ORDER IMD
OUTPUT @ IDSS,
0.25 IDSS
-100
-120
-140
-160
-120
FUNDAMENTAL
OUTPUT @ IDSS,
0.25 IDSS
-100
12
Figure 4. Effects of Drain Current
+40
Pout , OUTPUT POWER PER TONE (dB)
NF, NOISE FIGURE (dB)
6.0
0
VDS = 15 V
VGS = 0 V
5.5
8.0
-80
-60
-40
-20
Pin, INPUT POWER PER TONE (dB)
0
Figure 5. Third Order Intermodulation Distortion
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+20
14
2N5484 2N5486
COMMON SOURCE CHARACTERISTICS
30
20
bis @ IDSS
10
7.0
5.0
3.0
gis @ IDSS
2.0
gis @ 0.25 IDSS
1.0
0.7
0.5
0.3
10
grs , REVERSE TRANSADMITTANCE (mmhos)
brs , REVERSE SUSCEPTANCE (mmhos)
gis, INPUT CONDUCTANCE (mmhos)
bis, INPUT SUSCEPTANCE (mmhos)
ADMITTANCE PARAMETERS
(VDS = 15 Vdc, Tchannel = 25°C)
bis @ 0.25 IDSS
20
30
50 70 100
200 300
f, FREQUENCY (MHz)
5.0
3.0
2.0
0.25 IDSS
0.3
0.2
0.1
0.07
0.05
500 700 1000
brs @ IDSS
1.0
0.7
0.5
grs @ IDSS, 0.25 IDSS
10
20
50 70 100
200 300
f, FREQUENCY (MHz)
500 700 1000
10
10
7.0
5.0
gfs @ IDSS
gfs @ 0.25 IDSS
3.0
2.0
1.0
0.7
0.5
0.3
0.2
10
30
Figure 7. Reverse Transfer Admittance (yrs)
gos, OUTPUT ADMITTANCE (mhos)
bos, OUTPUT SUSCEPTANCE (mhos)
gfs, FORWARD TRANSCONDUCTANCE (mmhos)
|b fs|, FORWARD SUSCEPTANCE (mmhos)
Figure 6. Input Admittance (yis)
20
|bfs| @ IDSS
30
50 70 100
200 300
f, FREQUENCY (MHz)
bos @ IDSS and 0.25 IDSS
2.0
1.0
0.5
0.2
gos @ IDSS
0.1
0.05
|bfs| @ 0.25 IDSS
20
5.0
gos @ 0.25 IDSS
0.02
500 700 1000
0.01
10
Figure 8. Forward Transadmittance (yfs)
20
30
50 70 100
200 300
f, FREQUENCY (MHz)
500 700 1000
Figure 9. Output Admittance (yos)
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2N5484 2N5486
COMMON SOURCE CHARACTERISTICS
S–PARAMETERS
(VDS = 15 Vdc, Tchannel = 25°C, Data Points in MHz)
30°
20°
10°
0°
350°
1.0
40°
340°
400
300
0.8
60°
ID = IDSS
0.6
800
310°
50°
10°
0°
350°
340°
330°
0.4
320°
700
800
700
300°
60°
290°
70°
280°
80°
900
0.3
ID = IDSS, 0.25 IDSS
310°
900
800
0.2
300°
700
600
600
500
600
80°
40°
500
400
0.7
70°
320°
20°
300
200
0.9
30°
200
100
50°
330°
ID = 0.25 IDSS
100
0.1
500
290°
400
300
280°
0.0
200
270°
90°
100°
260°
100°
260°
110°
250°
110°
250°
120°
240°
120°
240°
130°
230°
130°
230°
140°
220°
140°
220°
90°
900
150°
160°
170°
180°
190°
200°
210°
150°
160°
Figure 10. S11s
30°
20°
10°
0°
350°
340°
330°
0.6
0.5
60°
900
70°
80°
90°
100°
110°
120°
800
700
900
700
600
500
0.4
800
600
500
0.3
100
400
400
0.3
ID = 0.25 IDSS
300
200
0.4
100
0.5
300
ID = IDSS
200
170°
180°
190°
200°
210°
Figure 11. S12s
40°
50°
270°
100
130°
30°
20°
10°
0°
350°
340°
330°
100 200
ID = 0.25 IDSS
300
1.0
400
100 200
500
300
600
400
700
0.9
500
800
600
ID = IDSS
700
900
800
900
0.8
320°
40°
310°
50°
300°
60°
290°
70°
280°
80°
270°
90°
270°
260°
100°
260°
250°
110°
250°
240°
120°
240°
230°
130°
230°
220°
140°
220°
0.7
320°
310°
300°
290°
280°
0.6
0.6
140°
150°
160°
170°
Fi
180°
190°
200°
210°
150°
S
160°
170°
Fi
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180°
190°
S
200°
210°
2N5484 2N5486
COMMON GATE CHARACTERISTICS
ADMITTANCE PARAMETERS
(VDG = 15 Vdc, Tchannel = 25°C)
10
7.0
5.0
grg , REVERSE TRANSADMITTANCE (mmhos)
brg , REVERSE SUSCEPTANCE (mmhos)
gig, INPUT CONDUCTANCE (mmhos)
big, INPUT SUSCEPTANCE (mmhos)
20
gig @ IDSS
3.0
grg @ 0.25 IDSS
2.0
1.0
0.7
0.5
big @ IDSS
0.3
0.2
10
20
30
big @ 0.25 IDSS
50 70 100
200 300
f, FREQUENCY (MHz)
0.5
0.3
0.1
0.07
0.05
0.25 IDSS
0.03
0.02
0.01
0.007
0.005
500 700 1000
brg @ IDSS
0.2
gig @ IDSS, 0.25 IDSS
10
10
7.0
5.0
gfg @ IDSS
3.0
gfg @ 0.25 IDSS
2.0
1.0
0.7
0.5
bfg @ IDSS
0.3
brg @ 0.25 IDSS
0.2
0.1
10
20
30
50 70 100
200 300
f, FREQUENCY (MHz)
30
50 70 100
200 300
f, FREQUENCY (MHz)
500 700 1000
Figure 15. Reverse Transfer Admittance (yrg)
gog, OUTPUT ADMITTANCE (mmhos)
bog, OUTPUT SUSCEPTANCE (mmhos)
gfg , FORWARD TRANSCONDUCTANCE (mmhos)
bfg , FORWARD SUSCEPTANCE (mmhos)
Figure 14. Input Admittance (yig)
20
1.0
0.7
0.5
0.3
0.2
0.1
0.07
0.05
gog @ IDSS
0.03
0.02
0.01
500 700 1000
bog @ IDSS, 0.25 IDSS
gog @ 0.25 IDSS
10
Figure 16. Forward Transfer Admittance (yfg)
20
30
50 70 100
200 300
f, FREQUENCY (MHz)
500 700 1000
Figure 17. Output Admittance (yog)
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2N5484 2N5486
COMMON GATE CHARACTERISTICS
S–PARAMETERS
(VDS = 15 Vdc, Tchannel = 25°C, Data Points in MHz)
30°
20°
10°
0°
350°
340°
0.7
40°
100
100
200
200
0.5
300
300
60°
ID = IDSS
0.4
70°
400
700
400
500
310°
50°
300°
60°
290°
70°
280°
80°
600
900
270°
260°
100°
110°
250°
110°
120°
240°
120°
130°
230°
130°
220°
140°
170°
180°
190°
20°
10°
0°
350°
200°
100
600
ID = IDSS
700
50°
300°
290°
280°
0.0
270°
500
600
700
800
800
260°
ID = 0.25 IDSS
250°
0.01
240°
0.02
230°
900
0.03
220°
0.04
150°
160°
170°
180°
190°
200°
210°
340°
330°
Figure 19. S12g
340°
330°
30°
20°
10°
40°
320°
0°
1.5
1.0
100
100
0.4
320°
0.01
140°
210°
0.5
40°
330°
0.02
Figure 18. S11g
30°
340°
310°
900
160°
350°
0.04
90°
100°
150°
0°
800
900
90°
40°
10°
600
800
0.3
320°
20°
0.03
500
700
80°
30°
ID = 0.25 IDSS
0.6
50°
330°
350°
300
200
400
320°
700
600
800
0.9
ID = IDSS
500
900
310°
50°
300°
60°
290°
70°
280°
80°
270°
90°
270°
260°
100°
260°
110°
250°
110°
250°
120°
240°
120°
240°
130°
230°
130°
230°
140°
220°
140°
220°
100
0.3
60°
0.2
70°
80°
ID = 0.25 IDSS
0.1
900
90°
900
100°
150°
160°
170°
180°
190°
200°
210°
ID = IDSS, 0.25 IDSS
0.8
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300°
0.7
290°
280°
0.6
150°
160°
170°
180°
310°
190°
200°
210°
2N5484 2N5486
PACKAGE DIMENSIONS
TO–92 (TO–226AA)
CASE 29–11
ISSUE AL
A
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. CONTOUR OF PACKAGE BEYOND DIMENSION R
IS UNCONTROLLED.
4. LEAD DIMENSION IS UNCONTROLLED IN P AND
BEYOND DIMENSION K MINIMUM.
B
R
P
L
SEATING
PLANE
K
DIM
A
B
C
D
G
H
J
K
L
N
P
R
V
D
X X
G
J
H
V
C
SECTION X–X
1
N
N
STYLE 5:
PIN 1. DRAIN
2. SOURCE
3. GATE
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9
INCHES
MIN
MAX
0.175
0.205
0.170
0.210
0.125
0.165
0.016
0.021
0.045
0.055
0.095
0.105
0.015
0.020
0.500
--0.250
--0.080
0.105
--0.100
0.115
--0.135
---
MILLIMETERS
MIN
MAX
4.45
5.20
4.32
5.33
3.18
4.19
0.407
0.533
1.15
1.39
2.42
2.66
0.39
0.50
12.70
--6.35
--2.04
2.66
--2.54
2.93
--3.43
---
2N5484 2N5486
Notes
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2N5484 2N5486
Notes
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2N5484 2N5486
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes
without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular
purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability,
including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or
specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be
validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others.
SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications
intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or
death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold
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attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim
alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer.
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2N5484/D