MOTOROLA MRF326

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by MRF326/D
SEMICONDUCTOR TECHNICAL DATA
The RF Line
. . . designed primarily for wideband large–signal output amplifier stages in the
100 to 500 MHz frequency range.
• Guaranteed Performance @ 400 MHz, 28 Vdc
Output Power = 40 Watts
Minimum Gain = 9.0 dB
40 W, 225 to 400 MHz
CONTROLLED “Q”
BROADBAND RF POWER
TRANSISTOR
NPN SILICON
• Built–In Matching Network for Broadband Operation
• 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
33
Vdc
Collector–Base Voltage
VCBO
60
Vdc
Emitter–Base Voltage
VEBO
4.0
Vdc
Collector Current — Continuous
Collector Current — Peak
IC
4.5
6.0
Adc
Total Device Dissipation @ TC = 25°C (1)
Derate above 25°C
PD
110
0.63
Watts
W/°C
Storage Temperature Range
Tstg
– 65 to +150
°C
CASE 316–01, STYLE 1
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction to Case
Symbol
Max
Unit
RθJC
1.6
°C/W
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.)
Symbol
Min
Typ
Max
Unit
Collector–Emitter Breakdown Voltage
(IC = 40 mAdc, IB = 0)
V(BR)CEO
33
—
—
Vdc
Collector–Emitter Breakdown Voltage
(IC = 40 mAdc, VBE = 0)
V(BR)CES
60
—
—
Vdc
Emitter–Base Breakdown Voltage
(IE = 4.0 mAdc, IC = 0)
V(BR)EBO
4.0
—
—
Vdc
Collector–Base Breakdown Voltage
(IC = 40 mAdc, IE = 0)
V(BR)CBO
60
—
—
Vdc
ICBO
—
—
4.0
mAdc
hFE
20
50
80
—
Cob
—
45
60
pF
Characteristic
OFF CHARACTERISTICS
Collector Cutoff Current
(VCB = 30 Vdc, IE = 0)
ON CHARACTERISTICS
DC Current Gain
(IC = 2.0 Adc, VCE = 5.0 Vdc)
DYNAMIC CHARACTERISTICS
Output Capacitance
(VCB = 28 Vdc, IE = 0, f = 1.0 MHz)
NOTE:
(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.
RF DEVICE DATA
MOTOROLA
Motorola, Inc. 1994
MRF326
1
ELECTRICAL CHARACTERISTICS — continued (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Common–Emitter Amplifier Power Gain
(VCC = 28 Vdc, Pout = 40 W, f = 400 MHz, IC Max = 2.85 Adc)
GPE
9.0
11
—
dB
Collector Efficiency
(VCC = 28 Vdc, Pout = 40 W, f = 400 MHz, IC Max = 2.85 Adc)
η
50
—
—
%
Load Mismatch
(VCC = 28 Vdc, Pout = 40 W CW, f = 400 MHz,
VSWR = 30:1 All Phase Angles)
ψ
FUNCTIONAL TESTS (Figure 1)
No Degradation in Output Power
R1
C9
L2
R3
C7
Z3
DUT
Z2
C2
Z4
RF
OUTPUT
L4
R2
C1
+
28 Vdc
–
L3
L1
Z1
+
C10
C13
RF
INPUT
C11
L5
C3
C6
C8
C5
C4
C12
C1 — 1.0 – 10 pF Johanson, Capacitor (JMC 5201)
C2, C3, C6, C8 — 1.0– 20 pF Johanson Capacitor
C4, C5 — 36 pF ATC “B” Style Chip Capacitor
C7, C9, C13 — 100 pF UNELCO Capacitor
C11 — 680 pF Feedthru
C10 — 1.0 µF 50 V Tantalum
C12 — 0.1 µF Erie Redcap
L1 — 8 Turns #26 AWG Enameled, 1/16″ ID Closewound
L2, L5 — Ferroxcube VK200–19/4B Ferrite Choke
L3 — 8 Turns #20 AWG Enameled, 1/4″ ID Closewound
L4 — 4 Turns #26 AWG 0.1″ ID
R1 — 10 Ohm 2.0 W Carbon
R2, R3 — 10 Ohm 1.0 W Carbon
Z1 — Microstrip 0.19″ W x 1.28″ L
Z2 — Microstrip 0.28″ W x 1.0″ L
Z3 — Microstrip 0.31″ W x 1.0″ L
Z4 — Microstrip 0.31″ W x 0.9″ L
Board — Glass Teflon εr = 2.56 t = 0.062″
Input/Output Connectors — Type N UG58 A/U
Figure 1. 400 MHz Test Amplifier
MRF326
2
MOTOROLA RF DEVICE DATA
50
f = 225 MHz
40
400 MHz
Pout , OUTPUT POWER (WATTS)
Pout , OUTPUT POWER (WATTS)
50
30
20
10
40
Pin = 3.8 W
2.6 W
30
1.8 W
20
10
VCC = 28 V
0
0
1
2
3
4
f = 225 MHz
5
0
10
14
18
22
26
30
VCC, SUPPLY VOLTAGE (VOLTS)
Pin, INPUT POWER (WATTS)
Figure 2. Output Power versus Input Power
Figure 3. Output Power versus Supply Voltage
Pout , OUTPUT POWER (WATTS)
50
Pin = 4.3 W
40
2.8 W
30
2W
20
10
0
10
14
18
22
26
30
VCC, SUPPLY VOLTAGE (VOLTS)
Figure 4. Output Power versus Supply Voltage
f = 400 MHz
MOTOROLA RF DEVICE DATA
MRF326
3
0
5
f = 225 MHz
5
400
10
f = 225 MHz
ZOL*
10
Zin
350
400
5
350
10
15
VCC = 28 V, Po = 40 W
f
MHz
Zin
Ohms
ZOL*
Ohms
225
350
400
0.75 + j2.3
4.6 + j2.1
1.3 + j0.9
3.5 – j2.3
3.2 – j0.8
3.7 + j0
20
25
30
ZOL* = Conjugate of the optimum load impedance into which the device output operates at a given output power,
ZOL* = voltage and frequency.
Figure 5. Series Equivalent Input–Output Impedance
MRF326
4
MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
F
D
4
R
NOTES:
1. FLANGE IS ISOLATED IN ALL STYLES.
K
3
DIM
A
B
C
D
E
F
H
J
K
L
N
Q
R
U
1
Q
2
L
B
J
C
E
N
INCHES
MIN
MAX
24.38
25.14
12.45
12.95
5.97
7.62
5.33
5.58
2.16
3.04
5.08
5.33
18.29
18.54
0.10
0.15
10.29
11.17
3.81
4.06
3.81
4.31
2.92
3.30
3.05
3.30
11.94
12.57
MILLIMETERS
MIN
MAX
0.960
0.990
0.490
0.510
0.235
0.300
0.210
0.220
0.085
0.120
0.200
0.210
0.720
0.730
0.004
0.006
0.405
0.440
0.150
0.160
0.150
0.170
0.115
0.130
0.120
0.130
0.470
0.495
H
A
U
STYLE 1:
PIN 1.
2.
3.
4.
EMITTER
COLLECTOR
EMITTER
BASE
CASE 316–01
ISSUE D
MOTOROLA RF DEVICE DATA
MRF326
5
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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 “Typicals” 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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MRF326
6
◊
*MRF326/D*
MRF326/D
MOTOROLA RF DEVICE
DATA