MRF1015MA Datasheet, PDF (2/4 Pages) Motorola, Inc – MICROWAVE POWER TRANSISTORS

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)
Cob
—
5.0
7.5
pF
FUNCTIONAL TESTS (Pulse Width = 10 µs, Duty Cycle = 1.0%)
Common–Base Amplifier Power Gain
(VCC = 50 Vdc, Pout = 15 W Peak, f = 1090 MHz)
GPB
10
12.5
—
dB
Collector Efficiency
(VCC = 50 Vdc, Pout = 15 W Peak, f = 1090 MHz)
η
30
35
—
%
Load Mismatch
(VCC = 50 Vdc, Pout = 15 W Peak, f = 1090 MHz,
VSWR = 10:1 All Phase Angles)
ψ
No Degradation in Power Output
RF
INPUT
+
C2
C3
C4
+
50 Vdc
–
L1
L2
DUT
RF
C1
OUTPUT
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z8
C1, C2 — 220 pF 100 mil Chip Capacitor
C3 — 0.1 µF
C4 — 47 µF/75 V Electrolytic Capacitor
L1, L2 — 3 Turns #18 AWG, 1/8″ ID
Z1–Z8 — Microstrip, See Photomaster
Board Material — 0.032″ Glass Teflon
Board Material — ε_r = 2.5
Figure 1. 1090 MHz Test Circuit
MRF1015MA MRF1015MB
2
MOTOROLA RF DEVICE DATA