Capacitors | Ramsey Electronics HR20 specification

PARTS SUPPLIED WITH THE HR20 KIT:

1 15pF ceramic disc capacitor [marked 15 or 15K] (C4)

1 27pF ceramic disc capacitor [marked 27 or 27K] (C13)

2 36pF ceramic disc capacitor [marked 36 or 36K] (C1,C2)

4 .01µF disc capacitor [marked 103 or .01 or 10nF] (C3,C5,C6,C7)

2 4.7 to 10µF electrolytic capacitor (C8,C9)

3 100-220µF electrolytic capacitor (C10,C11,C12)

3 10K ohm potentiometers (R1,R2,R3)

1 270 ohm resistor [red-violet-brown] (R4)

2 10K resistors [brown-black orange] (R5,R6)

INDUCTORS:

2 Shielded Coils [marked 42IF-123] (L1, L2)

1 1N4002 Diode [black epoxy style] (D1)

1 SA602 IC (U1)

1 LM386 IC (U2)

1 6.2 volt Zener Diode [small grey glass body] (D2)

1 Drilled printed-circuit board

1 9-volt battery hold-down bracket

1 9-volt battery connector

1 RCA-style jack [antenna connector] (J1)

1 subminiature earphone jack (J2)

1 PC mount pushbutton switch (S1)

9-volt battery (alkaline or heavy duty type)

Earphone, or small speaker

Antenna and suitable cable

Ramsey Electronics Case and Knob kit, Model CHR or;

Your own choice of enclosure and hardware

HR20• 7