MRF10031
2
MOTOROLA RF DEVICE DATA
ELECTRICAL CHARACTERISTICS (T
C
= 25°C unless otherwise noted.)
Characteristic
Symbol Min Typ Max Unit
OFF CHARACTERISTICS
Collector–Emitter Breakdown Voltage (IC = 25 mAdc, VBE = 0) V
(BR)CES
55 — — Vdc
Collector–Base Breakdown Voltage (IC = 25 mAdc, IE = 0) V
(BR)CBO
55 — — Vdc
Emitter–Base Breakdown Voltage (IE = 5.0 mAdc, IC = 0) V
(BR)EBO
3.5 — — Vdc
Collector Cutoff Current (VCB = 36 Vdc, IE = 0) I
CBO
— — 2.0 mAdc
ON CHARACTERISTICS
DC Current Gain (IC = 500 mAdc, VCE = 5.0 Vdc) h
FE
20 — — —
FUNCTIONAL TESTS (10 µs Pulses @ 50% duty cycle for 3.5 ms; overall duty cycle – 25%)
Common–Base Amplifier Power Gain
(VCC = 36 Vdc, P
out
= 30 W Peak, f = 960 MHz)
G
PB
9.0 9.5 — dB
Collector Efficiency
(VCC = 36 Vdc, P
out
= 30 W Peak, f = 960 MHz)
η 40 45 — %
Load Mismatch
(VCC = 36 Vdc, P
out
= 30 W Peak, f = 960 MHz,
VSWR = 10:1 All Phase Angles)
ψ No Degradation in Output Power
Figure 1. Test Circuit
Z5
RF INPUT
D.U.T.
RF OUTPUT
C1
L1
C2 C3 C4
+
+
–
Z1
Z2
Z3
Z4
Z6
Z7 Z8
Z9
36 Vdc
.083
.223
.733
.118
.628
1.350
.669.780
1.210
.128
.083
.400
1.020
.218
2.050
.389
.354
.083.100
.113
.215
BROADBAND FIXTURE
C1 — 75 pF 100 Mil Chip Capacitor
C2 — 39 pF 100 Mil Chip Capacitor
C3 — 0.1 µF
C4 — 1000 µF, 50 Vdc, Electrolytic
L1 — 3 Turns #18 AWG, 1/8″ ID, 0.18 Long
Z1–Z9 — Microstrip, See Details
Board Material — Teflon, Glass Laminate
Dielectric Thickness = 0.030″
εr = 2.55, 2 Oz. Copper
2.138