Instruction manual

LPA1 • 7
RAMSEY LPA1 Power Booster Amplifier Parts List
SEMICONDUCTORS
❒ 1 MAR3 RF amplifier [Small, black, round on one side] (U1)
❒ 1 PNP transistor [marked 221334] (Q1)
❒ 1 MRF581 NPN power transistor [Small, black, round and marked
“581”] (Q2)
❒ 1 Red LED (D1)
CAPACITORS
❒ 8 .01uF disc capacitor [marked .01 or 103 or 10nF] (C1,2,4,5,6,7,8,9)
❒ 1 10uF electrolytic (C3)
INDUCTORS
❒ 1 VK200 inductor [black ferrite core and bare wire to wind through it]
(L1)
❒ 1 5.6uH inductor [resembles a resistor marked green-blue-gold-
yellow] (L2)
RESISTORS
❒ 1 6.8 ohm resistor [blue-grey-gold] (R2)
❒ 4 1K ohm resistor [brown-black-red] (R1,5,6,7)
❒ 1 150 ohm resistor [brown-green-brown] (R4)
❒ 1 10K ohm resistor [brown-black-orange] (R3)
❒ 1 220 ohm resistor [red-red-brown] (R8)
MISCELLANEOUS
❒ 1 Power jack (J1)
❒ 2 RCA jacks (J2,3)
❒ 1 PB switch (S1)
REQUIRED, NOT SUPPLIED
❒ Power source, 12 VDC
❒ Enclosure, Ramsey CLPA or equal
❒ Transmitter (You know, the thing that you want to amplify!)
❒ Receiver (You know, the thing that you want to use to hear what you
amplify!)