MOTOROLA MRF240

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by MRF240/D
SEMICONDUCTOR TECHNICAL DATA
The RF Line
. . . 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
40 W, 145 – 175 MHz
RF POWER
TRANSISTORS
NPN SILICON
• 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
Collector–Emitter Voltage
VCEO
16
Vdc
Collector–Base Voltage
VCBO
36
Vdc
Emitter–Base Voltage
VEBO
4.0
Vdc
Collector Current — Continuous
IC
8.0
Adc
Total Device Dissipation @ TC = 25°C (1)
Derate above 25°C
PD
100
0.57
Watts
W/°C
Storage Temperature Range
Tstg
– 65 to +150
°C
CASE 145A–09, STYLE 1
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction to Case (2)
Symbol
Max
Unit
RθJC
1.75
°C/W
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.)
Symbol
Min
Typ
Max
Unit
Collector–Emitter Breakdown Voltage
(IC = 20 mAdc, IB = 0)
V(BR)CEO
16
—
—
Vdc
Collector–Emitter Breakdown Voltage
(IC = 20 mAdc, VBE = 0)
V(BR)CES
36
—
—
Vdc
Emitter–Base Breakdown Voltage
(IE = 5.0 mAdc, IC = 0)
V(BR)EBO
4.0
—
—
Vdc
ICBO
—
—
10
mAdc
hFE
10
70
150
—
Cob
—
90
125
pF
Characteristic
OFF CHARACTERISTICS
Collector Cutoff Current
(VCB = 15 Vdc, IE = 0)
ON CHARACTERISTICS
DC Current Gain
(IC = 4.0 Adc, VCE = 5.0 Vdc)
DYNAMIC CHARACTERISTICS
Output Capacitance
(VCB = 12.5 Vdc, IE = 0, f = 1.0 MHz)
NOTES:
(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.
RF DEVICE DATA
MOTOROLA
Motorola, Inc. 1994
MRF240
1
ELECTRICAL CHARACTERISTICS — continued (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Common–Emitter Amplifier Power Gain
(VCC = 13.6 Vdc, Pout = 40 W, f = 160 MHz)
GPE
9.0
10
—
dB
Collector Efficiency
(VCC = 13.6 Vdc, Pout = 40 W, f = 160 MHz)
η
55
—
—
%
IMD (d3)
—
– 30
—
dB
FUNCTIONAL TESTS
TYPICAL SSB PERFORMANCE
Intermodulation Distortion (3)
(VCC = 13.6 Vdc, Pout = 35 W (PEP), f1 = 146 MHz,
f2 = 146.002 MHz, ICQ = 50 mAdc)
NOTE:
3. To MIL–STD–1311 Version A, Test Method 2204B, Two Tone, Reference Each Tone.
RFC3
C10
C11
C8
+
C9
–
+
+13.6 V
–
RFC2
L5
L4
RF
INPUT
C1
L2
L1
C7
RF
OUTPUT
L3
DUT
C5
C6
RFC1
C2
C3
C4
BEAD
C1 — 200 pF, 350 Vdc, UNELCO
C2 — 100 pF, 350 Vdc, UNELCO
C3 — 40 pF, 350 Vdc, UNELCO
C4, C5 — 80 pF, 350 Vdc, UNELCO
C6 — 1.0 – 20 pF, ARCO Trimmer
C7 — 100 pF 350 Vdc, UNELCO
C8 — 0.1 µF ERIE Disc Ceramic
C9 — 1.0 µF TANTALUM
C10, C11 — 680 pF ALLEN BRADLEY Feedthru
RFC1 — 0.15 µH Molded Choke
RFC2 — 10 Turns, #18 AWG on 470 Ohm,
RFC2 — 1.0 Watt Resistor
Bead — FERROXCUBE Bead
RFC3 — FERROXCUBE Choke, VK200–4B
L1 — 3.3 x 0.2 cm AIRLINE Inductor
L2 — 1.0 x 0.2 cm AIRLINE Inductor
L3 — 1.2 x 0.6 cm Brass Pad
L4 — 1.2 x 0.6 cm Brass Pad and
L4 — 2.0 x 0.2 cm AIRLINE Inductor
Board — G10, εr = 5, t = 62 mils
Board — 2 sided, 2 oz. Clad
Connectors: Type N
Figure 1. 160 MHz Test Circuit Schematic
MRF240
2
MOTOROLA RF DEVICE DATA
12
50
Pout = 40 W
Pout , OUTPUT POWER (WATTS)
VCC = 13.6 V
G PE, POWER GAIN (dB)
11
VCC = 13.6 V
10
12.5 W
9
8
40
f = 145 MHz
75 MHz
20
10
7
140
150
160
170
f, FREQUENCY (MHz)
180
160 MHz
30
190
1
Figure 2. Power Gain versus Frequency
2
3
4
Pin, INPUT POWER (WATTS)
60
Pin = 5 W
Pin = 5 W
Pout , OUTPUT POWER (WATTS)
Pout , OUTPUT POWER (WATTS)
6
Figure 3. Output Power versus Input Power
60
4W
50
3W
40
30
50
4W
40
3W
30
f = 160 MHz
f = 145 MHz
20
5
20
8
9
10
11
12
13
14
15
VCC, SUPPLY VOLTAGE (VOLTS)
16
17
Figure 4. Output Power versus Supply Voltage
18
8
9
10
11
12
13
14
15
VCC, SUPPLY VOLTAGE (VOLTS)
16
17
18
Figure 5. Output Power versus Supply Voltage
60
Pout , OUTPUT POWER (WATTS)
Pin = 5 W
50
4W
40
3W
30
f = 175 MHz
20
8
9
10
11
12
13
14
15
VCC, SUPPLY VOLTAGE (VOLTS)
16
17
18
Figure 6. Output Power versus Supply Voltage
MOTOROLA RF DEVICE DATA
MRF240
3
–J1.0
0
+J1.0
+J2.0
–J2.0
Zin
–J3.0
1.0
160
+J3.0
175
f = 145 MHz
Pout = 40 W, VCC = 13.6 Vdc
–J4.0
2.0
ZOL*
160
175
3.0f = 145 MHz
4.0
f
MHz
Zin
Ohms
ZOL*
Ohms
145
160
175
1.0 + j0.5
0.98 + j0.6
0.98 + j0.7
2.8 + j0.3
2.7 + j0.4
2.6 + j0.5
+J4.0
ZOL* = Conjugate of the optimum load
ZOL* = impedance into which the device
ZOL* = operates at a given output power,
ZOL* = voltage and frequency.
5.0
Figure 7. Series Equivalent Input/Output Impedances
MRF240
4
MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
T
A
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
J
S
C
E
SEATING
PLANE
P
8–32UNC–2A
WRENCH FLAT
L
U
D
3
B
2
K
4
DIM
A
B
C
D
E
J
K
L
M
P
R
S
T
U
INCHES
MIN
MAX
0.370
0.385
0.320
0.330
0.670
0.790
0.215
0.235
0.070
–––
0.003
0.007
0.490
–––
0.055
0.070
45 _NOM
–––
0.050
0.299
0.307
0.158
0.178
0.083
0.100
0.098
0.132
MILLIMETERS
MIN
MAX
9.40
9.78
8.13
8.38
17.02
20.07
5.46
5.97
1.78
–––
0.08
0.18
12.45
–––
1.40
1.78
45 _NOM
–––
1.27
7.59
7.80
4.01
4.52
2.11
2.54
2.49
3.35
1
M
R
STYLE 1:
PIN 1.
2.
3.
4.
EMITTER
BASE
EMITTER
COLLECTOR
CASE 145A–09
ISSUE M
MOTOROLA RF DEVICE DATA
MRF240
5
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MRF240
6
◊
*MRF240/D*
MRF240/D
MOTOROLA RF DEVICE
DATA