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MRF154 View Datasheet(PDF) - Motorola => Freescale

Part Name
Description
View to exact match
MRF154 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
f = 100 MHz
60
30
15
Zin
7.5
4.0
VDD = 50 V
IDQ = 800 mA
Pout = 600 W
2.0
Zo = 10
Figure 8. Series Equivalent Impedance
BIAS
30 – 40 V
+
R4
D1
R5 R6
IC1
R7
R3
C1
D2
R1
INPUT
D3
R2
R8
R9
C2
C8
R13 C10
D.U.T.
R11 XTR
XTR
R12
T1
C9
R10
C3
D.U.T.
R14 C11
L1 L2
+
40 V
+
C5
C4
C6
OUTPUT
C7
T2
TEMP. TRACKING
C1 — 1000 pF Ceramic
R7 — 10 k
C2, C3, C4, C8, C9, C10, C11 — 0.1 µF Ceramic
R8 — Thermistor, 10 k (25°C), 2.5 k (75°C)
C5 — 10 µF/100 V Electrolytic
R9, R10 — 100 Ohms
C6, C7 — 0.1 µF Ceramic, (ATC 200/823 or Equivalent) R11, R12 — 1.0 k
D1 — 28 V Zener, 1N5362 or Equivalent
R13, R14 — 50 – 100 Ohms, 4.0 x 2.0 W Carbon in Parallel
D3 — 1N4148
T1 — 9:1 Transformer, Trifilar and Balun Wound on Separate
IC1 — MC1723
T1 — Fair–Rite Products Corp. Balun Cores #286100012, 5 Turns Each.
L1, L2 — Fair–Rite Products Corp. Ferrite Beads
T2 — 1:9 Transformer, Balun 50 Ohm CO–AX Cable RG–188,
#2673000801
T2 — Low Impedance Lines W.L. Gore 16 Ohms CO–AX Type CXN 1837.
R1, R2, R3 — 10 k Trimpot
T2 — Each Winding Threaded Through Two Fair–Rite Products Corp.
R4 — 1.0 k/1.0 W
T2 — #2661540001 Ferrite Sleeves (6 Each).
R5 — 10 Ohms
XTR — MRF154
R6 — 2.0 k
Figure 9. 20 – 80 MHz 1.0 kW Broadband Amplifier
MRF154
4
MOTOROLA RF DEVICE DATA
 

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