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MRF247 Datasheet(PDF) 2 Page - Motorola, Inc

Part # MRF247
Description  RF POWER TRANSISTOR NPN SILICON
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MRF247 Datasheet(HTML) 2 Page - Motorola, Inc

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MRF247
2
MOTOROLA RF DEVICE DATA
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
ON CHARACTERISTICS
DC Current Gain
(IC = 5.0 Adc, VCE = 5.0 Vdc)
hFE
10
75
150
DYNAMIC CHARACTERISTICS
Output Capacitance
(VCB = 15 Vdc, IE = 0, f = 1.0 MHz)
Cob
235
300
pF
FUNCTIONAL TESTS
Common–Emitter Amplifier Power Gain
(VCC = 12.5 Vdc, Pout = 75 Watts, f = 175 MHz)
GPE
7.0
8.5
dB
Collector Efficiency
(VCC = 12.5 Vdc, Pout = 75 Watts, f = 175 MHz)
η
55
60
%
Load Mismatch
(VCC = 12.5 Vdc, Pout = 75 Watts, f = 175 MHz,
VSWR = 30:1 All Phase Angles)
ψ
No Degradation in Output Power
4
VCC = 12.5 V
Pout = 75 W
VCC = 12.5 V
100
80
60
40
6
8
10
12
14
16
18
20
22
24
Pin, INPUT POWER (WATTS)
130
14
10
6
2
140
150
160
170
180
f, FREQUENCY (MHz)
16
12
8
4
0
150 MHz
f = 136 MHz
175 MHz
Figure 1. Output Power versus Input Power
Figure 2. Output Power versus Input Power
Figure 3. Power Gain versus Frequency
C1, C17
330 pF ATC 100 mil Ceramic Capacitor
C2, C14
Johansen 1–20 pF Trimmer Capacitor
C3
40 pF Standard Unelco Clamped Mica Capacitor
C4, C16
Sprague 10
µF – 35 Vdc Electrolytic Capacitor
C5
80 pF Standard Unelco Clamped Mica Capacitor
C6, C13
91 pF Mini–Unelco Clamped Mica Capacitor
C7, C8
240 pF ATC 100 mil Ceramic Capacitor
C9, C10
180 pF ATC 100 mil Ceramic Capacitor
C11
150 pF Standard Unelco Clamped Mica Capacitor
C12
33 pF Mini–Unelco Clamped Mica Capacitor
C15
27 pF Mini–Unelco Clamped Mica Capacitor
L1
2 Turns, 16 AWG Enameled, IDIA 0.13
L2, L4
4 Turns, 18 AWG Enameled, IDIA 0.18
L3, L6
VK 200 with Ferrite Bead
L5
2 Turns, 16 AWG Enameled, IDIA 0.15
L3
L6
NC
C4
C6
C13
C16
C3
C8
C10
C12
C15
L2
L4
C1
L1
L5
C17
C7
C9
C2
C5
C11
C14
D.U.T.
+
+
12.5 V
+


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