1
MRF8372R1, R2MOTOROLA RF DEVICE DATA
The RF Line
Designed primarily for wideband large signal predriver stages in 800 MHz
and UHF frequency ranges.
•Specified @ 12.5 V, 870 MHz Characteristics
Output Power = 750 mW
Minimum Gain = 8.0 dB
Efficiency 60% (Typ)
•State–of–the–Art Technology
Fine Line Geometry
Gold Top Metal and Wires
Silicon Nitride Passivated
Ion Implanted Arsenic Emitters
•Circuit board photomaster available upon request by contacting
RF Tactical Marketing in Phoenix, AZ.
•Order MRF8372 in tape and reel packaging by adding suffix:
R1 suffix = 500 units per reel
R2 suffix = 2,500 units per reel
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 IC200 mAdc
Total Device Dissipation @ TC = 75°C (1)
Derate above 75°CPD1.67
22.2 Watts
mW/°C
Storage Temperature Range TJ, Tstg –55 to +150 °C
Maximum Junction Temperature TJmax 150 °C
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Thermal Resistance, Junction to Case RθJC 45 °C/W
DEVICE MARKING
MRF8372 = 8372
NOTE:
1. Case temperature measured on collector lead immediately adjacent to body of package.
Order this document
by MRF8372/D
SEMICONDUCTOR TECHNICAL DATA
750 mW, 870 MHz
RF LOW POWER
TRANSISTOR
NPN SILICON
CASE 751–05, STYLE 1
SORF (SO–8)
Motorola, Inc. 1997
(Replaces MRF837/D)
MRF8372R1, R2
2MOTOROLA RF DEVICE DATA
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.)
Characteristic Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage
(IC = 5.0 mAdc, IB = 0) V(BR)CEO 16 — — Vdc
Collector–Emitter Breakdown Voltage
(IC = 5.0 mAdc, VBE = 0) V(BR)CES 36 — — Vdc
Emitter–Base Breakdown Voltage
(IE = 0.1 mAdc, IC = 0) V(BR)EBO 4.0 — — Vdc
Collector Cutoff Current
(VCE = 15 Vdc, VBE = 0, TC = 25°C) ICES — — 0.1 mAdc
ON CHARACTERISTICS
DC Current Gain
(IC = 50 mAdc, VCE = 10 Vdc) hFE 30 90 200 —
DYNAMIC CHARACTERISTICS
Output Capacitance
(VCB = 15 Vdc, IE = 0, f = 1.0 MHz) Cob —1.8 2.5 pF
FUNCTIONAL TESTS
Common–Emitter Amplifier Power Gain
(VCC = 12.5 Vdc, Pout = 0.75 W, f = 870 MHz) Gpe 8.0 10 — dB
Collector Efficiency
(VCC = 12.5 Vdc, Pout = 0.75 W, f = 870 MHz) η55 60 — %
3
MRF8372R1, R2MOTOROLA RF DEVICE DATA
Figure 1. 800–900 MHz Broadband Circuit
C1, C5 — 0.8–8.0 pF Johanson Gigatrim
C2, C3 — 10 pF Ceramic Chip Capacitor
C6 — 91 pF Clamped Mica, Mini–Underwood
C4 — 47 pF Ceramic Chip Capacitor
C7 — 91 pF Clamped Mica, Mini–Underwood
C8 — 1.0 µF 25 V Tantalum
B — Bead, Ferroxcube 56–590–65/3B
L1, L2 — 4 T urns, #21 AWG, 5/32″ ID
L3 — 7 T urns, #21 AWG, 5/32″ ID
Z1, Z2 — 1″ x 0.078″ Microstrip, Zo = 50 Ohms
Z3 — 0.25″ x 0.078″ Microstrip, Zo = 50 Ohms
Z4 — 0.15″ x 0.078″ Microstrip, Zo = 50 Ohms
Z5 — 0.30″ x 0.078″Microstrip, Zo = 50 Ohms
Z6 — 1.63″ x 0.078″ Microstrip, Zo = 50 Ohms
PCB — 1/32″ Glass Teflon, εr = 2.56
L3
Z6Z5
Z1 Z2 Z3 Z4 DUT
C4
C1 C2 C3
L1 L2
C6
C7 C8
C5
B
VCC
+
–
B+
800/900 MHz BAND DATA
Figure 2. Typical Broadband Performance
12
10
8
6
4
2
820 840 860 880 900800 f, FREQUENCY (MHz)
70
60
50
10
15
20
25
EFFICIENCY (%)
IRL, INPUT
RETURN LOSS (dB)
Pout = 750 mW
VCC = 12.5 Vdc
GPE
η
c
IRL
GPE, GAIN (dB)
c
η
, COLLECTOR
MRF8372R1, R2
4MOTOROLA RF DEVICE DATA
f
Zin
Ohms ZOL*
Ohms
f
VCC = 7.5 V VCC = 12.5 V VCC = 7.5 V VCC = 12.5 V
f
Frequency
MHz Pin = 150 mW Pin = 100 mW
Pout = 806 MHz = 820 mW
Pout = 870 MHz = 635 mW
Pout = 960 MHz = 530 mW
Pout = 806 MHz = 1.05 mW
Pout = 870 MHz = 855 mW
Pout = 960 MHz = 580 mW
806 8.0 + j1.9 4.0 + j1.2 24.7 – j19.2 20.9 – j31.0
870 5.2 + j3.5 6.0 + j1.9 36.9 – j20.5 32.1 – j26.6
960 6.8 + j4.0 6.1 + j2.5 39.3 – j18.5 36.3 – j25.7
ZOL* = Conjugate of the optimum load impedance into which the device output operates at a given output power, voltage, and frequency.
Table 1. Series Equivalent Input/Output Impedance
TYPICAL CHARACTERISTICS
800/900 MHz BAND DATA (continued)
Figure 3. Output Power versus Input Power
f = 870 MHz Figure 4. Output Power versus Frequency
VCC = 7.5 Vdc
Figure 5. Output Power versus Collector Voltage Figure 6. Output Power versus Frequency
P , OUTPUT POWER (mW)
out
1200
900
600
300
06 8 10 12 14 16
VCC, COLLECTOR VOLTAGE (Vdc)
VCC = 12.5 Vdc
7.5 Vdc
100 mW
Pin = 150 mW
50 mW
100 mW
Pin = 150 mW
50 mW
100 mW
Pin = 150 mW
50 mW
P , OUTPUT POWER (mW)
out
1000
500
0800 820 840 860 880 900 920 940 960
f, FREQUENCY (MHz)
P , OUTPUT POWER (mW)
out
1600
800
400
0800 820 840 860 880 900 920 940 960
f, FREQUENCY (MHz)
1200
P , OUTPUT POWER (mW)
out
1200
900
600
300
00 30 60 90 120 150
Pin, INPUT POWER (mW)
15 45 75 105 135
f = 870 MHz VCC = 12.5 Vdc
5
MRF8372R1, R2MOTOROLA RF DEVICE DATA
TYPICAL CHARACTERISTICS
800/900 MHz BAND DATA (continued)
Figure 7. Output Power versus Input Power Figure 8. Output Power versus Frequency
Figure 9. Output Power versus Collector Voltage Figure 10. Output Power versus Frequency
P , OUTPUT POWER (mW)
out
1600
00Pin, INPUT POWER (mW)
1400
1200
1000
800
600
400
200
10
VCC = 12.5 Vdc
7.5 Vdc
20 30 40 50 60 70 80
P , OUTPUT POWER (mW)
out
1200
f, FREQUENCY (MHz)
400
1000
800
600
400
200
0420 440 460 480 500 520
Pin = 75 mW
50 mW
25 mW
P , OUTPUT POWER (mW)
out
06VCC, COLLECTOR VOLT AGE (Vdc)
1400
1200
1000
800
600
400
200
10 12 14 168
Pin = 75 mW
50 mW
25 mW
P , OUTPUT POWER (mW)
out
1500
f, FREQUENCY (MHz)
400
1300
1100
900
700
600
300 420 440 460 480 500 520
Pin = 75 mW
50 mW
25 mW
f = 512 MHz VCC = 7.5 Vdc
VCC = 12.5 Vdc
f = 512 MHz
MRF8372R1, R2
6MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
CASE 751–05
ISSUE S
SEATING
PLANE
14
58
A0.25 MCBSS
0.25 MBM
h
q
C
X 45
_
L
DIM MIN MAX
MILLIMETERS
A1.35 1.75
A1 0.10 0.25
B0.35 0.49
C0.18 0.25
D4.80 5.00
E1.27 BSCe3.80 4.00
H5.80 6.20
h
0 7
L0.40 1.25
q
0.25 0.50
__
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. DIMENSIONS ARE IN MILLIMETERS.
3. DIMENSION D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE B DIMENSION AT MAXIMUM MATERIAL
CONDITION.
D
EH
A
Be
B
A1
CA
0.10
STYLE 1:
PIN 1. EMITTER
2. COLLECTOR
3. COLLECTOR
4. EMITTER
5. EMITTER
6. BASE
7. BASE
8. EMITTER
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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 which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
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
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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
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Mfax is a trademark of Motorola, Inc.
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MRF8372/D
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