MOTOROLA MRF323

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by MRF323/D
SEMICONDUCTOR TECHNICAL DATA
The RF Line
. . . designed primarily for wideband large–signal driver and predriver amplifier
stages in the 200– 500 MHz frequency range.
• Guaranteed Performance at 400 MHz, 28 V
Output Power = 20 Watts
Power Gain = 10 dB Min
Efficiency = 50% Min
20 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
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
2.2
3.0
Adc
Total Device Dissipation @ TC = 25°C (1)
Derate above 25°C
PD
55
310
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
3.2
°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
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
—
—
2.0
mAdc
hFE
20
—
80
—
Characteristic
OFF CHARACTERISTICS
Collector Cutoff Current
(VCB = 30 Vdc, IE = 0)
ON CHARACTERISTICS
DC Current Gain
(IC = 1.0 Adc, 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
MRF323
1
ELECTRICAL CHARACTERISTICS — continued (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Cob
—
20
24
pF
Common–Emitter Amplifier Power Gain
(VCC = 28 Vdc, Pout = 20 W, f = 400 MHz)
GPE
10
11
—
dB
Collector Efficiency
(VCC = 28 Vdc, Pout = 20 W, f = 400 MHz)
η
50
60
—
%
Load Mismatch
(VCC = 28 Vdc, Pout = 20 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)
No Degradation in Output Power
L4
C9
C8
C10
+
–
C11
+
28 V
–
L3
C12
Z3
RF OUTPUT
Z4
DUT
RF INPUT
Z1
L2
Z2
L1
C1
C2
C5
C3
C6
C7
C4
R1
C1, C2, C6 — 1.0 – 20 pF Johanson Trimmer (JMC 5501)
C3, C4 — 47 pF ATC Chip Capacitor
C5, C8 — 0.1 µF Erie Redcap
C7 — 0.5 – 10 pF Johanson Trimmer (JMC 5201)
C9, C10 — 680 pF Feedthru
C11 — 1.0 µF 50 Volt Tantalum
C12 — 0.018 µF Vitramon Chip Capacitor
L1 — 0.33 µH Molded Choke with Ferroxcube Bead
L1 — (Ferroxcube 56–590–65/4B) on Ground End
L2 — 6 Turns #20 Enamel, 1/4″ ID, Closewound
L3 — 4 Turns #20 Enamel, 1/8″ ID, Closewound
L4 — Ferroxcube VK200–19/4B
R1 — 5.1 Ω 1/4 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
MRF323
2
MOTOROLA RF DEVICE DATA
25
25
20
Pout , OUTPUT POWER (WATTS)
Pout , OUTPUT POWER (WATTS)
f = 200 MHz
Pin = 3 W
2.5 W
15
2W
1.5 W
10
1W
0.7 W
5
0
200
20
15
10
5
300
400
VCC = 28 V
0
500
0
1
f, FREQUENCY (MHz)
3
4
5
Figure 3. Output Power versus Input Power
24
22
Pin = 1.8 W
G PE , COMMON EMITTER AMPLIFIER
POWER GAIN (dB)
Pout , OUTPUT POWER (WATTS)
2
Pin, INPUT POWER (WATTS)
Figure 2. Output Power versus Frequency
20
16
1.1 W
12
8
f = 400 MHz
4
10
500
0.4 W
VCC = 28 V
0
400
14
18
22
26
30
Po = 20 W
VCC = 28 V
18
14
10
6
2
0
200
300
400
500
VCC, SUPPLY VOLTAGE (VOLTS)
f, FREQUENCY (MHz)
Figure 4. Output Power versus Supply Voltage
Figure 5. Power Gain versus Frequency
MOTOROLA RF DEVICE DATA
MRF323
3
0
–5
400
f = 200 MHz
450 5
Zin
– 10
10
500
5
450
500
400
ZOL*
10
f = 200 MHz
Pout = 20 W, VCC = 28 V
f
MHz
Zin
Ohms
ZOL*
Ohms
200
400
450
500
0.6 – j0.23
0.71 + j1.79
1.2 + j3.8
2.3 + j5.5
7.2 – j11.4
6.0 – j6.87
5.9 – j5.1
6.2 – j3.1
15
20
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
MRF323
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
MRF323
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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MRF323
6
◊
*MRF323/D*
MRF323/D
MOTOROLA RF DEVICE
DATA