ELECTRICAL CHARACTERISTICS — continued (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
DYNAMIC CHARACTERISTICS
Output Capacitance
(VCB = 50 Vdc, IE = 0, f = 1.0 MHz)
FUNCTIONAL TESTS (Pulse Width = 10 µs, Duty Cycle = 1%)
Common-Base Amplifier Power Gain
(VCC = 50 Vdc, Pout = 35 W Peak, f = 1090 MHz)
Collector Efficiency
(VCC = 50 Vdc, Pout = 35 W Peak, f = 1090 MHz)
Load Mismatch
(VCC = 50 Vdc, Pout = 35 W Peak, f = 1090 MHz,
VSWR = 10:1 All Phase Angles)
Cob
GPB
η
ψ
—
10
15
pF
10
12.4
—
dB
30
34
—
%
No Degradation in Power Output
RF
INPUT
+
C2
C3
C4
+
50 Vdc
–
L1
L2
DUT
Z1
Z3
Z2
Z4
C1
Z5
Z7
Z9
Z6
Z8
Z10
RF
OUTPUT
C1, C2 — 220 pF 100 mil Chip Capacitor
C3 — 0.1 µF
C4 — 10 µF/75 V Electrolytic
L1, L2 — 3 Turns #18 AWG, 1/8″ ID
Z1 – Z10 — Microstrip, See Photomaster
Board Material — 0.031″ Glass Teflon
Board Material — εr = 2.5
Figure 1. 1090 MHz Test Circuit
MRF1035MB
2
MOTOROLA RF DEVICE DATA