Ramsey Electronics PR100 Stereo Amplifier User Manual


 
PR100 y 6
PARTS LAYOUT DIAGRAM
PARTS LIST
CAPACITORS
2 2.2pF ceramic capacitors (marked 2.2) (C4, C5)
1 10pF ceramic capacitor (marked 10) (C7)
3 8.2pF ceramic capacitors (marked 8.2) (C8, C9, C10)
1 22pF ceramic capacitor (marked 22) (C6)
1 100pF ceramic capacitor (marked 100, or 101) (C2)
1 .001uF ceramic capacitor (marked .001, or 102) (C3)
1 .01uF ceramic capacitor (marked .01, 103, or 10n) (C1)
FIXED RESISTORS
1 100 ohm resistor (brown-black-brown) (R1)
1 18 ohm resistor (brown-grey-black) (R3)
2 300 ohm resistors (orange-black-brown) (R4, R5)
1 47K ohm resistor (yellow-violet-orange) (R2)
SEMICONDUCTORS
1 2SC2498 or 2570 NPN UHF transistor (Q1)
INDUCTORS AND FILTERS
3 359-7787 Variable inductors (metallic cans with slug) (L3,L4,L5)
2 2.2uH inductors (green body with red-red-gold stripes) (L1, L2)
1 2 section helical filter, 145 MHz (Large metallic can with two
adjustments) (FL1)
CONTROLS, HARDWARE & MISCELLANEOUS
1 Type-F connector (J3)
1 PC Board