MRF247 Datasheet, PDF (2/4 Pages) Motorola, Inc – RF POWER TRANSISTOR NPN SILICON

ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
ON CHARACTERISTICS
DC Current Gain
hFE
(IC = 5.0 Adc, VCE = 5.0 Vdc)
DYNAMIC CHARACTERISTICS
Output Capacitance
Cob
(VCB = 15 Vdc, IE = 0, f = 1.0 MHz)
FUNCTIONAL TESTS
Common–Emitter Amplifier Power Gain
(VCC = 12.5 Vdc, Pout = 75 Watts, f = 175 MHz)
GPE
Collector Efficiency
η
(VCC = 12.5 Vdc, Pout = 75 Watts, f = 175 MHz)
Load Mismatch
ψ
(VCC = 12.5 Vdc, Pout = 75 Watts, f = 175 MHz,
VSWR = 30:1 All Phase Angles)
L3
NC
+
C4
C6
C3
L2
C1
C2
L1
C5
C8
C10
D.U.T.
C7
C9
Min
Typ
Max
Unit
10
75
150
—
—
235
300
pF
7.0
8.5
—
dB
55
60
—
%
No Degradation in Output Power
L6
+
C13
C16
L4
C12
C15
+
12.5 V
–
L5
C17
C11
C14
C1, C17
C2, C14
C3
C4, C16
C5
C6, C13
C7, C8
C9, C10
330 pF ATC 100 mil Ceramic Capacitor
Johansen 1–20 pF Trimmer Capacitor
40 pF Standard Unelco Clamped Mica Capacitor
Sprague 10 µF – 35 Vdc Electrolytic Capacitor
80 pF Standard Unelco Clamped Mica Capacitor
91 pF Mini–Unelco Clamped Mica Capacitor
240 pF ATC 100 mil Ceramic Capacitor
180 pF ATC 100 mil Ceramic Capacitor
C11
C12
C15
L1
L2, L4
L3, L6
L5
150 pF Standard Unelco Clamped Mica Capacitor
33 pF Mini–Unelco Clamped Mica Capacitor
27 pF Mini–Unelco Clamped Mica Capacitor
2 Turns, 16 AWG Enameled, IDIA 0.13″
4 Turns, 18 AWG Enameled, IDIA 0.18″
VK 200 with Ferrite Bead
2 Turns, 16 AWG Enameled, IDIA 0.15″
Figure 1. Output Power versus Input Power
100
150 MHz
80
175 MHz
60
f = 136 MHz
40
VCC = 12.5 V
4 6 8 10 12 14 16 18 20 22 24
Pin, INPUT POWER (WATTS)
Figure 2. Output Power versus Input Power
16
14
12
10
8
6
4
2
0130
Pout = 75 W
VCC = 12.5 V
140
150
160
170
180
f, FREQUENCY (MHz)
Figure 3. Power Gain versus Frequency
MRF247
2
MOTOROLA RF DEVICE DATA