MRF240 Datasheet, PDF (2/6 Pages) Motorola, Inc – RF POWER TRANSISTORS NPN SILICON

ELECTRICAL CHARACTERISTICS — continued (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
FUNCTIONAL TESTS
Common–Emitter Amplifier Power Gain
(VCC = 13.6 Vdc, Pout = 40 W, f = 160 MHz)
GPE
9.0
10
—
dB
Collector Efficiency
(VCC = 13.6 Vdc, Pout = 40 W, f = 160 MHz)
η
55
—
—
%
TYPICAL SSB PERFORMANCE
Intermodulation Distortion (3)
(VCC = 13.6 Vdc, Pout = 35 W (PEP), f1 = 146 MHz,
f2 = 146.002 MHz, ICQ = 50 mAdc)
IMD (d3)
—
– 30
—
dB
NOTE:
3. To MIL–STD–1311 Version A, Test Method 2204B, Two Tone, Reference Each Tone.
RF
INPUT
C1
L1
C2
L2
C3
L3
C4
C10
RFC2
L4
DUT
RFC3
C11
+
+
C8
C9
–
+13.6 V
–
L5
C7
RF
OUTPUT
RFC1
C5
C6
BEAD
C1 — 200 pF, 350 Vdc, UNELCO
C2 — 100 pF, 350 Vdc, UNELCO
C3 — 40 pF, 350 Vdc, UNELCO
C4, C5 — 80 pF, 350 Vdc, UNELCO
C6 — 1.0 – 20 pF, ARCO Trimmer
C7 — 100 pF 350 Vdc, UNELCO
C8 — 0.1 µF ERIE Disc Ceramic
C9 — 1.0 µF TANTALUM
C10, C11 — 680 pF ALLEN BRADLEY Feedthru
RFC1 — 0.15 µH Molded Choke
RFC2 — 10 Turns, #18 AWG on 470 Ohm,
RFC2 — 1.0 Watt Resistor
Bead — FERROXCUBE Bead
RFC3 — FERROXCUBE Choke, VK200–4B
L1 — 3.3 x 0.2 cm AIRLINE Inductor
L2 — 1.0 x 0.2 cm AIRLINE Inductor
Figure 1. 160 MHz Test Circuit Schematic
L3 — 1.2 x 0.6 cm Brass Pad
L4 — 1.2 x 0.6 cm Brass Pad and
L4 — 2.0 x 0.2 cm AIRLINE Inductor
Board — G10, ε_r = 5, t = 62 mils
Board — 2 sided, 2 oz. Clad
Connectors: Type N
MRF240
2
MOTOROLA RF DEVICE DATA