MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MRF240/D
The RF Line
NPN Silicon
RF Power Transistors
. . . designed for 13.6 volt VHF large±signal class C and class AB linear power amplifier applications in commercial and industrial equipment.
•High Common Emitter Power Gain
•Specified 13.6 V, 160 MHz Performance: Output Power = 40 Watts
Power Gain = 9.0 dB Min Efficiency = 55% Min
•Load Mismatch Capability at Rated Voltage and RF Drive
•Silicon Nitride Passivated
•Low Intermodulation Distortion, d3 = ±30 dB Typ
MAXIMUM RATINGS
Rating |
Symbol |
Value |
Unit |
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Collector±Emitter Voltage |
VCEO |
16 |
Vdc |
Collector±Base Voltage |
VCBO |
36 |
Vdc |
Emitter±Base Voltage |
VEBO |
4.0 |
Vdc |
Collector Current Ð Continuous |
IC |
8.0 |
Adc |
Total Device Dissipation @ TC = 25°C (1) |
PD |
100 |
Watts |
Derate above 25°C |
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0.57 |
W/°C |
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Storage Temperature Range |
Tstg |
± 65 to +150 |
°C |
THERMAL CHARACTERISTICS
MRF240
40 W, 145 ± 175 MHz
RF POWER
TRANSISTORS
NPN SILICON
CASE 145A±09, STYLE 1
Characteristic |
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Symbol |
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Max |
Unit |
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Thermal Resistance, Junction to Case (2) |
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RθJC |
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1.75 |
°C/W |
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ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.) |
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Characteristic |
Symbol |
Min |
Typ |
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Max |
Unit |
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OFF CHARACTERISTICS |
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Collector±Emitter Breakdown Voltage |
V(BR)CEO |
16 |
Ð |
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Ð |
Vdc |
(IC = 20 mAdc, IB = 0) |
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Collector±Emitter Breakdown Voltage |
V(BR)CES |
36 |
Ð |
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Ð |
Vdc |
(IC = 20 mAdc, VBE = 0) |
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Emitter±Base Breakdown Voltage |
V(BR)EBO |
4.0 |
Ð |
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Ð |
Vdc |
(IE = 5.0 mAdc, IC = 0) |
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Collector Cutoff Current |
ICBO |
Ð |
Ð |
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10 |
mAdc |
(VCB = 15 Vdc, IE = 0) |
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ON CHARACTERISTICS |
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DC Current Gain |
hFE |
10 |
70 |
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150 |
Ð |
(IC = 4.0 Adc, VCE = 5.0 Vdc) |
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DYNAMIC CHARACTERISTICS |
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Output Capacitance |
Cob |
Ð |
90 |
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125 |
pF |
(VCB = 12.5 Vdc, IE = 0, f = 1.0 MHz) |
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NOTES: |
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(continued) |
1.This device is designed for RF operation. The total device dissipation rating applies only when the device is operated as an RF amplifier.
2.Thermal Resistance is determined under specified RF operating conditions by infrared measurement techniques.
Motorola, Inc. 1994
ELECTRICAL CHARACTERISTICS Ð continued (TC = 25°C unless otherwise noted.)
Characteristic |
Symbol |
Min |
Typ |
Max |
Unit |
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FUNCTIONAL TESTS |
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Common±Emitter Amplifier Power Gain |
GPE |
9.0 |
10 |
Ð |
dB |
(VCC = 13.6 Vdc, Pout = 40 W, f = 160 MHz) |
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Collector Efficiency |
η |
55 |
Ð |
Ð |
% |
(VCC = 13.6 Vdc, Pout = 40 W, f = 160 MHz) |
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TYPICAL SSB PERFORMANCE |
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Intermodulation Distortion (3) |
IMD (d3) |
Ð |
± 30 |
Ð |
dB |
(VCC = 13.6 Vdc, Pout = 35 W (PEP), f1 = 146 MHz, |
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f2 = 146.002 MHz, ICQ = 50 mAdc) |
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NOTE: |
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3. To MIL±STD±1311 Version A, Test Method 2204B, Two Tone, Reference Each Tone.
RFC2
RF |
C1 |
L1 |
L2 |
L3 |
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INPUT |
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RFC1
C2 |
C3 |
C4 |
BEAD
C10 |
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RFC3 |
C11 |
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+ |
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+ |
+13.6 V |
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C8 |
C9 |
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± |
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± |
L4 |
L5 |
C7 |
RF |
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OUTPUT |
DUT |
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C5 |
C6 |
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C1 |
Ð 200 pF, 350 Vdc, UNELCO |
C10, C11 Ð 680 pF ALLEN BRADLEY Feedthru |
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C2 |
Ð 100 pF, 350 Vdc, UNELCO |
RFC1 Ð 0.15 μH Molded Choke |
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C3 |
Ð 40 pF, 350 Vdc, UNELCO |
RFC2 Ð 10 Turns, #18 AWG on 470 Ohm, |
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C4, C5 Ð 80 pF, 350 Vdc, UNELCO |
RFC2 Ð 1.0 Watt Resistor |
||
C6 |
Ð 1.0± 20 pF, ARCO Trimmer |
Bead Ð FERROXCUBE Bead |
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C7 |
Ð 100 pF 350 Vdc, UNELCO |
RFC3 Ð FERROXCUBE Choke, VK200±4B |
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C8 |
Ð 0.1 |
μF ERIE Disc Ceramic |
L1 Ð 3.3 x 0.2 cm AIRLINE Inductor |
C9 |
Ð 1.0 |
μF TANTALUM |
L2 Ð 1.0 x 0.2 cm AIRLINE Inductor |
L3 Ð 1.2 x 0.6 cm Brass Pad
L4 Ð 1.2 x 0.6 cm Brass Pad and
L4 Ð 2.0 x 0.2 cm AIRLINE Inductor
Board Ð G10, εr = 5, t = 62 mils Board Ð 2 sided, 2 oz. Clad
Connectors: Type N
Figure 1. 160 MHz Test Circuit Schematic
MRF240 |
MOTOROLA RF DEVICE DATA |
2 |
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GPE, POWER GAIN (dB)
12 |
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Pout = 40 W |
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50 |
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VCC = 13.6 V |
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(WATTS) |
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11 |
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40 |
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10 |
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VCC = 13.6 V |
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POWER |
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f = 145 MHz |
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12.5 W |
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OUTPUT, |
30 |
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160 MHz |
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9 |
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75 MHz |
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8 |
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out |
20 |
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P |
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7 |
150 |
160 |
170 |
180 |
190 |
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10 |
2 |
3 |
4 |
5 |
6 |
140 |
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1 |
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f, FREQUENCY (MHz) |
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Pin, INPUT POWER (WATTS) |
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Figure 2. Power Gain versus Frequency |
Figure 3. Output Power versus Input Power |
Pout , OUTPUT POWER (WATTS)
60
Pin = 5 W
4 W
50
3 W
40
30
f = 145 MHz
20
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
VCC, SUPPLY VOLTAGE (VOLTS)
Pout , OUTPUT POWER (WATTS)
60
Pin = 5 W
50
4 W
40 |
3 W |
30
f = 160 MHz
20
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
VCC, SUPPLY VOLTAGE (VOLTS)
Figure 4. Output Power versus Supply Voltage |
Figure 5. Output Power versus Supply Voltage |
Pout , OUTPUT POWER (WATTS)
60
Pin = 5 W
50
4 W
40
3 W
30
f = 175 MHz
20
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
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VCC, SUPPLY VOLTAGE (VOLTS) |
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Figure 6. Output Power versus Supply Voltage
MOTOROLA RF DEVICE DATA |
MRF240 |
|
3 |
±J1.0 |
0 |
+J1.0 |
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±J2.0 |
+J2.0 |
Zin
±J3.0
±J4.0
1.0160
175
f = 145 MHz
2.0
ZOL*
160 
175
3 f = 145 MHz
4.0
5.0
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+J3.0 |
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Pout = 40 W, VCC = 13.6 Vdc |
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+J4.0 |
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f |
Zin |
ZOL* |
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MHz |
Ohms |
Ohms |
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145 |
1.0 |
+ j0.5 |
2.8 + j0.3 |
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160 |
0.98 |
+ j0.6 |
2.7 + j0.4 |
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175 |
0.98 |
+ j0.7 |
2.6 + j0.5 |
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ZOL* = Conjugate of the optimum load
ZOL* = impedance into which the device
ZOL* = operates at a given output power,
ZOL* = voltage and frequency.
Figure 7. Series Equivalent Input/Output Impedances
MRF240 |
MOTOROLA RF DEVICE DATA |
4 |
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PACKAGE DIMENSIONS
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T |
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A |
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J |
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S |
SEATING |
C |
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PLANE |
E |
P |
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8±32UNC±2A |
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WRENCH FLAT |
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L |
U |
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3 |
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D |
K |
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B |
2 |
4 |
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1
M
R
CASE 145A±09
ISSUE M
NOTES:
1.DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982.
2.CONTROLLING DIMENSION: INCH.
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INCHES |
MILLIMETERS |
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DIM |
MIN |
MAX |
MIN |
MAX |
A |
0.370 |
0.385 |
9.40 |
9.78 |
B |
0.320 |
0.330 |
8.13 |
8.38 |
C |
0.670 |
0.790 |
17.02 |
20.07 |
D |
0.215 |
0.235 |
5.46 |
5.97 |
E |
0.070 |
±±± |
1.78 |
±±± |
J |
0.003 |
0.007 |
0.08 |
0.18 |
K |
0.490 |
±±± |
12.45 |
±±± |
L |
0.055 |
0.070 |
1.40 |
1.78 |
M |
45 |
NOM |
45 |
NOM |
P |
±±± |
0.050 |
±±± |
1.27 |
R |
0.299 |
0.307 |
7.59 |
7.80 |
S |
0.158 |
0.178 |
4.01 |
4.52 |
T |
0.083 |
0.100 |
2.11 |
2.54 |
U |
0.098 |
0.132 |
2.49 |
3.35 |
STYLE 1:
PIN 1. EMITTER
2.BASE
3.EMITTER
4.COLLECTOR
MOTOROLA RF DEVICE DATA |
MRF240 |
|
5 |
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding 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. ªTypicalº parameters can and do vary in different applications. All operating parameters, including ªTypicalsº must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola 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 Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable 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 Motorola was negligent regarding the design or manufacture of the part. Motorola and 
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
How to reach us: |
|
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|
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◊ |
MRF240/D |
|
*MRF240/D* |