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PARTS LIST
RF POWER AMPLIFIER
NOTE: The PJ200 Power Amplifier is one section or half of the PJ250 Amplifier, therefore the parts list
and schematic are common. The second half of the PJ250 Amplifier is a mirror image of the first half.
C1 Capacitor, Ceramic 4.7nF R1 Resistor 47 ohm 1 watt
C2 Capacitor, Ceramic 4.7nF R2 Resistor 12 ohm 1/2 watt
C3 Capacitor, Ceramic 47nF R3 Resistor 12K ohm 1/2 watt
C4 Capacitor, Elec 100µF 35Vdc R4 Resistor 12 ohm 1/2 watt
C5 Not Used R5 Resistor 12 ohm 1/2 watt
C6 Capacitor, Mica 1nF SEMCO
C7 Capacitor, Ceramic chip 470pF T1 RF Power Transistor MRF317
C8 Capacitor, Ceramic chip 12pF T1' RF Power Transistor MRF317
C9 Capacitor, Ceramic chip 47pF T2 RF Power Transistor MRF317
C10 Capacitor, Ceramic, Group of 2 T2' RF Power Transistor MRF317
33pF each
C11 Capacitor, Mica 1nF SEMCO TR1 RF Transformer Broadband 4:1
C12 Not used TR2 RF Transformer Broadband 4:1
C13 Capacitor, Mica 1nF SEMCO
C14 Capacitor, Ceramic 47nF Z1 Ferrite Bead
C15 Capacitor, Elec 100µF 35Vdc Z2 Ferrite Bead
C16 Not used
C17 Capacitor, Mica 1nF SEMCO
L1 Inductor VK200
L2 Inductor VK200
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