MOTOROLA MRF321

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by MRF321/D
SEMICONDUCTOR TECHNICAL DATA
The RF Line
. . . designed primarily for wideband large–signal driver and predriver amplifier
stages in 200 – 500 MHz frequency range.
• Guaranteed Performance at 400 MHz, 28 Vdc
Output Power = 10 Watts
Power Gain = 12 dB Min
Efficiency = 50% Min
10 W, 400 MHz
RF POWER
TRANSISTOR
NPN SILICON
• 100% Tested for Load Mismatch at all Phase Angles with 30:1 VSWR
• Gold Metallization System for High Reliability
• Computer–Controlled Wirebonding Gives Consistent Input Impedance
MAXIMUM RATINGS
Symbol
Value
Unit
Collector–Emitter Voltage
Rating
VCEO
33
Vdc
Collector–Base Voltage
VCBO
60
Vdc
Emitter–Base Voltage
VEBO
4.0
Vdc
Collector Current — Continuous
Collector Current — Peak
IC
1.1
1.5
Adc
Total Device Dissipation @ TA = 25°C (1)
Derate above 25°C
PD
27
160
Watts
mW/°C
Storage Temperature Range
Tstg
– 65 to +150
°C
CASE 244–04, STYLE 1
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction to Case
Symbol
Max
Unit
RθJC
6.4
°C/W
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Collector–Emitter Breakdown Voltage
(IC = 20 mAdc, IB = 0)
V(BR)CEO
33
—
—
Vdc
Collector–Emitter Breakdown Voltage
(IC = 20 mAdc, VBE = 0)
V(BR)CES
60
—
—
Vdc
Collector–Base Breakdown Voltage
(IC = 20 mAdc, IE = 0)
V(BR)CBO
60
—
—
Vdc
Emitter–Base Breakdown Voltage
(IE = 2.0 mAdc, IC = 0)
V(BR)EBO
4.0
—
—
Vdc
ICBO
—
—
1.0
mAdc
hFE
20
—
80
—
OFF CHARACTERISTICS
Collector Cutoff Current
(VCB = 30 Vdc, IE = 0)
ON CHARACTERISTICS
DC Current Gain
(IC = 500 mA, VCE = 5.0 Vdc)
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
MRF321
1
ELECTRICAL CHARACTERISTICS — continued (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Cob
—
10
12
pF
Common–Emitter Amplifier Power Gain
(VCC = 28 Vdc, Pout = 10 W, f = 400 MHz)
GPE
12
13
—
dB
Collector Efficiency
(VCC = 28 Vdc, Pout = 10 W, f = 400 MHz)
η
50
60
—
%
Load Mismatch
(VCC = 28 Vdc, Pout = 10 W, f = 400 MHz,
VSWR = 30:1 all phase angles)
ψ
DYNAMIC CHARACTERISTICS
Output Capacitance
(VCB = 28 Vdc, IE = 0, f = 1.0 MHz)
FUNCTIONAL TESTS (Figure 1)
R2
No Degradation in Output Power
L4
R3
+
5V
–
D1
R4
C9
C11
C10
+
C12
–
C13
+
28 V
–
L3
L1
C8
Z3
Z4
DUT
RF
INPUT
Z1
Z2
L2
C5
C1
C2
RF
OUTPUT
C3
C6
C7
C4
R1
C1, C2, C3 — 1.0 – 20 pF Johanson Trimmer (JMC 5501)
C3, C4 — 47 pF ATC Chip Capacitor
C5, C10 — 0.1 µF Erie Redcap
C7 — 0.5 – 10 pF Johanson Trimmer (JMC 5201)
C8 — 0.018 µF Vitramon Chip Capacitor
C9 — 200 pF UNELCO Capacitor
C11, C12 — 680 pF Feedthru
C13 — 1.0 µF, 50 Volt Tantalum Capacitor
D1 — 1N4001
L1 — 0.33 µH Molded Choke with Ferroxcube Bead
L1 — (Ferroxcube 56–590–65/4B) on Ground End of Coil
L2 — 4 Turns #20 Enamel, 1/8″ ID
L3 — 6 Turns #20 Enamel, 1/4″ ID
L4 — Ferroxcube VK200–19/4B
R1 — 5.1 Ω, 1/4 Watt
R2 — 120 Ω, 1.0 Watt
R3 — 20 Ω, 1/2 Watt
R4 — 47 Ω, 1/2 Watt
Z1 — Microstrip 0.1″ W x 1.35″ L
Z2 — Microstrip 0.1″ W x 0.55″ L
Z3 — Microstrip 0.1″ W x 0.8″ L
Z4 — Microstrip 0.1″ W x 1.75″ L
Board — Glass Teflon, εR = 2.56, t = 0.062″
Input/Output Connectors — Type N
Figure 1. 400 MHz Test Circuit Schematic
MRF321
2
MOTOROLA RF DEVICE DATA
12
12
400
10
Pout , OUTPUT POWER (WATTS)
Pout , OUTPUT POWER (WATTS)
f = 200 MHz
Pin = 1 W
8
0.7 W
6
0.5 W
0.4 W
4
0.3 W
VCC = 28 V
2
100
200
0.1 W
300
400
6
4
0
300
600
900
1200
1500
f, FREQUENCY (MHz)
Pin, INPUT POWER (mW)
Figure 2. Output Power versus Frequency
Figure 3. Output Power versus Input Power
22
G PE , COMMON EMITTER AMPLIFIER
POWER GAIN (dB)
Pout , OUTPUT POWER (WATTS)
8
2
600
12
10
Pin = 0.5 W
8
0.35 W
6
4
f = 400 MHz
2
10
10
VCC = 28 V
0.2 W
500
500
14
18
22
26
VCC, SUPPLY VOLTAGE (VOLTS)
Figure 4. Output Power versus Supply Voltage
MOTOROLA RF DEVICE DATA
30
Po = 10 W
VCC = 28 V
18
14
10
6
2
200
300
400
500
f, FREQUENCY (MHz)
Figure 5. Power Gain versus Frequency
MRF321
3
0
–5
400
5
f = 200 MHz
Zin
– 10
Po = 10 W, VCC = 28 V
f
MHz
Zin
Ohms
ZOL*
Ohms
200
400
500
0.68 – j0.75
0.89 + j2.7
1.3 + j4.3
14.2 – j22
9.8 – j14.4
9.3 – j13
500
5
10
500
400
15
ZOL*
20
f = 200 MHz
25
ZOL* = Conjugate of the optimum load impedance into which the device output operates at a given output power,
ZOL* = voltage and frequency.
Figure 6. Series Equivalent Impedance
MRF321
4
MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
2
3
D
1
4
K
M
T
F
A
J
SEATING PLANE
U
P
S
C
8–32 NC 2A
WRENCH FLAT
E
DIM
A
B
C
D
E
G
J
K
M
P
S
T
U
STYLE 1:
PIN 1.
2.
3.
4.
B
MILLIMETERS
MIN
MAX
7.06
7.26
6.20
6.50
14.99
16.51
5.46
5.96
1.40
1.65
1.52
–––
0.08
0.17
11.05
–––
45_NOM
–––
1.27
3.00
3.25
1.40
1.77
2.92
3.68
INCHES
MIN
MAX
0.278
0.286
0.244
0.256
0.590
0.650
0.215
0.235
0.055
0.065
0.060
–––
0.003
0.007
0.435
–––
45 _NOM
–––
0.050
0.118
0.128
0.055
0.070
0.115
0.145
EMITTER
BASE
EMITTER
COLLECTOR
CASE 244–04
ISSUE J
MOTOROLA RF DEVICE DATA
MRF321
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. “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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MRF321
6
◊
*MRF321/D*
MRF321/D
MOTOROLA RF DEVICE
DATA