1
MRF314MOTOROLA RF DEVICE DATA
The RF Line
. . . designed primarily for wideband large–signal driver and output amplifier
stages in the 30–200 MHz frequency range.
•Guaranteed Performance at 150 MHz, 28 Vdc
Output Power = 30 Watts
Minimum Gain = 10 dB
•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 VCEO 35 Vdc
Collector–Base Voltage VCBO 65 Vdc
Emitter–Base Voltage VEBO 4.0 Vdc
Collector Current — Continuous IC3.4 Adc
Total Device Dissipation @ TC = 25°C (1)
Derate above 25°CPD82
0.47 Watts
W/°C
Storage Temperature Range Tstg –65 to +150 °C
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Thermal Resistance, Junction to Case RθJC 2.13 °C/W
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.)
Characteristic Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage
(IC = 30 mAdc, IB = 0) V(BR)CEO 35 — — Vdc
Collector–Emitter Breakdown Voltage
(IC = 30 mAdc, VBE = 0) V(BR)CES 65 — — Vdc
Collector–Base Breakdown Voltage
(IC = 30 mAdc, IE = 0) V(BR)CBO 65 — — Vdc
Emitter–Base Breakdown Voltage
(IE = 3.0 mAdc, IC = 0) V(BR)EBO 4.0 — — Vdc
Collector Cutoff Current
(VCB = 30 Vdc, IE = 0) ICBO — — 3.0 mAdc
ON CHARACTERISTICS
DC Current Gain
(IC = 1.5 Adc, VCE = 5.0 Vdc) hFE 20 — 80 —
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.
Order this document
by MRF314/D
SEMICONDUCTOR TECHNICAL DATA
30 W, 30–200 MHz
RF POWER
TRANSISTORS
NPN SILICON
CASE 211–07, STYLE 1
Motorola, Inc. 1994
MRF314
2MOTOROLA RF DEVICE DATA
ELECTRICAL CHARACTERISTICS — continued (TC = 25°C unless otherwise noted.)
Characteristic UnitMaxTypMinSymbol
DYNAMIC CHARACTERISTICS
Output Capacitance
(VCB = 30 Vdc, IE = 0, f = 1.0 MHz) Cob — 30 40 pF
FUNCTIONAL TESTS (Figure 1)
Common–Emitter Amplifier Power Gain
(VCC = 28 Vdc, Pout = 30 W, f = 150 MHz) GPE 10 13.5 — dB
Collector Efficiency
(VCC = 28 Vdc, Pout = 30 W, f = 150 MHz) η50 — — %
Load Mismatch
(VCC = 28 Vdc, Pout = 30 W, f = 150 MHz,
VSWR = 30:1 all phase angles)
ψNo Degradation in Power Output
Figure 1. 150 MHz Test Circuit
R2
R1
RFC3
L1
C10
C9C8
RFC2
C2 C3 RFC1 C4 C5 C6
RF OUTPUTZ2
C1 Z1
DC + 28 Vdc
C7
DUT
RF INPUT
C1, C7 — 18 pF, 100 mil ATC
C2 — 68 pF, 100 mil ATC
C3, C6 — Johanson #JMC 5501
C4 — 270 pF, 100 mil ATC
C5 — 240 pF, 100 mil ATC
C8, C9 — 100 pF Underwood
C10 — 1.0 µF Tantalum
L1 — 2 Turns, 2.5″ #20 Wire, ID = 0.275″
R1, R2 — 10 Ω, 1.0 W
RFC1 — 15 µH Molded Coil
RFC2 — 2 Turns, 2.5″ #20 Wire, ID = 0.2″
RFC3 — Ferroxcube VK200–19/4B
Z1 — Microstrip, 0.168″ W x 1.6″ L
Z2 — Microstrip, 0.168″ W x 1.2″ L
Board — Glass Teflon εr = 2.55
3
MRF314MOTOROLA RF DEVICE DATA
, EFFICIENCY (%)
η
Figure 2. Output Power versus Input Power Figure 3. Output Power versus Input Power
Figure 4. Power Gain versus Frequency Figure 5. Efficiency versus Frequency
TYPICAL PERFORMANCE CURVES
55
45
35
25
15
5
24
22
20
18
16
14
12
50
60
70
1020 40 60 80 100 120 140 160 180 200 220 20 40 60 80 100 120 140 160 180 200 220
VCC = 28 V
Pout = 30 W VCC = 28 V
Pout = 30 W
VCC = 13.5 VVCC = 28 V
f, FREQUENCY (MHz)
GPE, COMMON EMITTER POWER GAIN (dB)
0.03 Pin, INPUT POWER (WATTS)
Pout, OUTPUT POWER (WATTS)
0.1 1 10
30
25
20
15
10
5
0.04 Pin, INPUT POWER (WATTS)
0.1 1 6
200 MHz
150 MHz
100 MHz
50 MHz 70 MHz
f = 30 MHz 200 MHz
150 MHz
100 MHz
50 MHz
70 MHz
Pout, OUTPUT POWER (WATTS)
f, FREQUENCY (MHz)
f = 30 MHz
MRF314
4MOTOROLA RF DEVICE DATA
Figure 6. Series Equivalent Input/Output Impedance
ZOL*
Zin f = 200 MHz
150
0
20.0
150
5.0
10.0
15.0
20.0
15.0
10.0
5.0 5.0
f = 200 MHz
100
70
30
50
100
70
50
30
Pout = 30 W, VCC = 28 V
f
MHz Zin
OHMS ZOL*
OHMS
30
50
70
100
150
200
2.4 – j3.4
1.6 – j2.6
0.8 – j0.8
0.7 – j0.5
0.9 + j0.9
1.3 + j1.2
18.0 – j12.1
16.5 – j12.1
15.0 – j11.8
12.9 – j10.8
11.9 – j9.4
11.5 – j8.1
ZOL* = Conjugate of the optimum load impedance into which the device output operates at a given output power, voltage
and frequency.
5
MRF314MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
CASE 211–07
ISSUE N
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
A
UM
M
Q
RB
1
4
32
D
K
E
SEATING
PLANE
C
J
H
S
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A0.960 0.990 24.39 25.14
B0.370 0.390 9.40 9.90
C0.229 0.281 5.82 7.13
D0.215 0.235 5.47 5.96
E0.085 0.105 2.16 2.66
H0.150 0.108 3.81 4.57
J0.004 0.006 0.11 0.15
K0.395 0.405 10.04 10.28
M40 50 40 50
Q0.113 0.130 2.88 3.30
R0.245 0.255 6.23 6.47
S0.790 0.810 20.07 20.57
U0.720 0.730 18.29 18.54
_ _ _ _
STYLE 1:
PIN 1. EMITTER
2. BASE
3. EMITTER
4. COLLECTOR
MRF314
6MOTOROLA RF DEVICE DATA
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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. “Typical” 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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associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
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MRF314/D
*MRF314/D*
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