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1
2N6439MOTOROLA RF DEVICE DATA
The RF Line
. . . designed primarily for wideband large–signal output amplifier stages in the
225 to 400 MHz frequency range.
• Guaranteed Performance in 225 to 400 MHz Broadband Amplifier @ 28 Vdc
Output Power = 60 Watts over 225 to 400 MHz Band
Minimum Gain = 7.8 dB @ 400 MHz
• Built–In Matching Network for Broadband Operation Using Double
Match Technique
• 100% Tested for Load Mismatch at all Phase Angles with 30:1 VSWR
• Gold Metallization System for High Reliability Applications
MAXIMUM RATINGS*
Rating Symbol Value Unit
Collector–Emitter Voltage V
CEO
33 Vdc
Collector–Base Voltage V
CBO
60 Vdc
Emitter–Base Voltage V
EBO
4.0 Vdc
Total Device Dissipation @ TC = 25°C (1)
Derate above 25°C
P
D
146
0.83
Watts
W/°C
Storage Temperature Range T
stg
–65 to +200 °C
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Thermal Resistance, Junction to Case R
θJC
1.2 °C/W
ELECTRICAL CHARACTERISTICS* (T
C
= 25°C unless otherwise noted.)
Characteristic
Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage
(IC = 50 mAdc, IB = 0)
V
(BR)CEO
33 — — Vdc
Collector–Emitter Breakdown Voltage
(IC = 50 mAdc, VBE = 0)
V
(BR)CES
60 — — Vdc
Emitter–Base Breakdown Voltage
(IE = 5.0 mAdc, IC = 0)
V
(BR)EBO
4.0 — — Vdc
Collector Cutoff Current
(VCB = 30 Vdc, IE = 0)
I
CBO
— — 2.0 mAdc
NOTE: (continued)
1. These devices are designed for RF operation. The total device dissipation rating applies only when the devices are operated as RF
amplifiers.
*Indicates JEDEC Registered Data.
Order this document
by 2N6439/D
SEMICONDUCTOR TECHNICAL DATA
60 W, 225 to 400 MHz
CONTROLLED “Q”
BROADBAND RF POWER
TRANSISTOR
NPN SILICON
CASE 316–01, STYLE 1
Motorola, Inc. 1994
Page 2
2N6439
2
MOTOROLA RF DEVICE DATA
ELECTRICAL CHARACTERISTICS* — continued (T
C
= 25°C unless otherwise noted.)
Characteristic UnitMaxTypMinSymbol
ON CHARACTERISTICS
DC Current Gain
(IC = 1.0 Adc, VCE = 5.0 Vdc)
h
FE
10 — 100 —
DYNAMIC CHARACTERISTICS
Output Capacitance
(VCB = 28 Vdc, IE = 0, f = 1.0 MHz)
C
ob
— 67 75 pF
BROADBAND FUNCTIONAL TESTS (Figure 6)
Common–Emitter Amplifier Power Gain
(VCC = 28 Vdc, P
out
= 60 W, f = 225–400 MHz)
G
PE
7.8 8.5 — dB
Electrical Ruggedness
(P
out
= 60 W, VCC = 28 Vdc, f = 400 MHz, VSWR 30:1
all phase angles)
ψ
No Degradation in Output Power
—
NARROW BAND FUNCTIONAL TESTS (Figure 1)
Common–Emitter Amplifier Power Gain
(VCC = 28 Vdc, P
out
= 60 W, f = 400 MHz)
G
PE
7.8 10 — dB
Collector Efficiency
(VCC = 28 Vdc, P
out
= 60 W, f = 400 MHz)
η 55 — — %
*Indicates JEDEC Registered Data.
Figure 1. 400 MHz Test Amplifier (Narrow Band)
C1
C4, C11 — 4.0–40 pF
C5
C8 — 33 pF
C9 — 1000 pF
C10 — 5.0 µF
R1 — 15 Ω
L1, L2 — 3/16″ x 1″ Copper Strap
L3 — 1.5 µH
L4 — 10 µH
L5 — 1 Turn #16 AWG, 5/16″ I.D.
C8
C7 C3
C9 C10
C4
L2
C5
DUT
C11 C2
L3
L1
R1 L4
C6
L5
VCC = 28 V
C1
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2N6439MOTOROLA RF DEVICE DATA
Figure 2. P
out
versus Frequency Figure 3. Output Power versus Input Power
Figure 4. Power Gain versus Frequency Figure 5. Output Power versus Supply Voltage
Figure 6. Output Power versus Supply Voltage
NARROW BAND DATA
100
80
60
40
20
0
200 250 300 350 400 450
f, FREQUENCY (MHz)
Pin = 8 W
6 W
4 W
2 W
VCC = 28 V
P , OUTPUT POWER (WATTS)
out
120
0
Pin, INPUT POWER (WATTS)
P , OUTPUT POWER (WATTS)
out
100
80
60
40
20
2 4 6 8 10 12 14 16 18 20
VCC = 28 V
400 MHz
12
250 300 350 400 450
f, FREQUENCY (MHz)
G
PE
, COMMON-EMITTER AMPLIFIER
POWER GAIN (dB)
11
10
9
8
200
P
out
= 60 W
VCC = 28 V
100
10
VCC, SUPPLY VOLTAGE (VOLTS)
P , OUTPUT POWER (WATTS)
out
80
60
40
20
0
14 18 22 26 30
100
10
VCC, SUPPLY VOLTAGE (VOLTS)
P , OUTPUT POWER (WATTS)
out
80
60
40
20
0
14 18 22 26 30
f = 225 MHz
Pin = 8 W
4 W
4 W
Pin = 6 W
f = 400 MHz
f = 225 MHz
Page 4
2N6439
4
MOTOROLA RF DEVICE DATA
Figure 7. 225 to 400 MHz Broadband Test Circuit Schematic
Figure 8. Power Gain versus Frequency Figure 9. Efficiency versus Frequency
BROADBAND DATA (Circuit, Figure 7)
C1 — 68 pF
C2, C4, C8, C10 — 27 pF
C3, C5, C11 — 10 pF
C6, C7 — 51 pF
C9 — 1.0ā–ā10 pF JOHANSON
C12 — 100 pF
C13, C15 — 680 pF
C14, C16 — 1.0 µF, 35 V Tantalum
C17 — 0.1 µF, ERIE Red Cap
RFC1 — Ferrite Bead Choke, Feroxcube VK200 19/4B
B — Ferroxcube 56-590-65/4B Ferrite Bead
T1, T2 — 25 Ohms (UT25) Miniature Coaxial Cable, 1 turn
R1 — 11 Ω, 1.0 W
R2 — 20 Ω, 1/4 W
L1 — 10 Turns, #22 AWG, 1/8″ I.D.
L2 — 4 Turns, #16 AWG, 1/4″ I.D.
L3 — 6 Turns, #24 AWG, 1/8″ I.D.
L4, L5 — 1″ x 0.25″ Microstrip Line
Board Material 0.031″ Thick Teflon-Fiberglass
50 Ω LINE
C1
T1
4:1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
4:1
T2
50
Ω
LINEL5
C12
C16
C15
R1
C13
B
L1 L2
A
DUT
C14
+
–
RFC1
0.8
″
L4
A
L3
R2
C17
10
8
6
4
2
0
200 250 300 350 400
P
out
= 60 W
VCC = 28 V
f, FREQUENCY (MHz)
G
PE
, POWER GAIN (dB)
100
80
200 250 300 350 400
f, FREQUENCY (MHz)
EFFICIENCY (%)
60
40
20
0
P
out
= 60 W
VCC = 28 V
V
CC
0.5
″
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2N6439MOTOROLA RF DEVICE DATA
Figure 10. Input VSWR versus Frequency Figure 11. Series Equivalent Input-Output Impedance
6
5
4
3
2
1
400350300250200
f, FREQUENCY (MHz)
INPUT VSWR
P
out
= 60 W
VCC = 28 V
Z
in
f = 225 MHz
450
450
400
275 350
400
f = 225 MHz
P
out
= 60 W, VCC = 28 V
ZOL* = Conjugate of the optimum load
ZOL* = impedance into which the device
ZOL* = output operates at a given output
ZOL* = power, voltage and frequency.
FREQUENCY
MHz
Z
in
OHMS
ZOL*
OHMS
225
275
350
400
450
0.7 + j1.6
0.9 + j2.2
2.2 + j2.1
1.2 + j0.6
0.5 + j1.6
2.2 – j1.8
2.1 – j0.9
2.1 – j0.1
2.0 + j0.2
1.9 + j0.9
350
.3
0.2
0.1 0.1
ZOL*
275
Page 6
2N6439
6
MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
CASE 316–01
ISSUE D
NOTES:
1. FLANGE IS ISOLATED IN ALL STYLES.
STYLE 1:
PIN 1. EMITTER
2. COLLECTOR
3. EMITTER
4. BASE
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A 24.38 25.14 0.960 0.990
B 12.45 12.95 0.490 0.510
C 5.97 7.62 0.235 0.300
D 5.33 5.58 0.210 0.220
E 2.16 3.04 0.085 0.120
F 5.08 5.33 0.200 0.210
H 18.29 18.54 0.720 0.730
J 0.10 0.15 0.004 0.006
K 10.29 11.17 0.405 0.440
L 3.81 4.06 0.150 0.160
N 3.81 4.31 0.150 0.170
Q 2.92 3.30 0.115 0.130
R 3.05 3.30 0.120 0.130
U 11.94 12.57 0.470 0.495
4
3
2
1
F
D
R
Q
L
K
E
J
B
A
H
N
C
U
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the suitability of its products for any particular purpose, nor does Motorola 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 consequential or incidental damages. “T ypical” parameters can and do vary in different
applications. All operating parameters, including “T ypicals” must be validated for each customer application by customer’s technical experts. Motorola does
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2N6439/D
*2N6439/D*
◊
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