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| 2N4427 Datasheet, PDF (4/6 Pages) STMicroelectronics – VHF OSCILLATOR POWER AMPLIFIER | |||
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2N4427
PIN
(RS=50 OHMS)
C1
L1
C2
L2
L3
C3
L4
C4
C5 C6
Vcc = 12V
POUT
(RL=50 OHMS)
Figure 1 - 175 MHz RF AMPLIFIER CIRCUIT FOR GPE, POUT,
AND EFFICIENCY SPECIFICATIONS.
L1: 2 TURNS No. 16 wire, 3/16â ID, 1/4â long
L3: 2 TURNS No. 16 wire, 1/4â ID, 1/4â long
Capacitor values in pF unless
.
MSC1301.PDF 10-25-99
L2: Ferrite choke, Z=450 ohms
L4: 4 TURNS No. 16 wire, 3/8â ID, 3/8â long
Tuning capacitors are air variable
otherwise indicated.
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