PARTS SUPPLIED WITH THE HR20 KIT:
CAPACITORS:
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
RESISTORS:
3 10K ohm potentiometers (R1,R2,R3)
1 270 ohm resistor
2 10K resistors
INDUCTORS:
2 Shielded Coils [marked
SEMICONDUCTORS:
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)
HARDWARE AND MISC:
1 Drilled
1
1
1
1 subminiature earphone jack (J2)
1 PC mount pushbutton switch (S1)
REQUIRED, NOT SUPPLIED:
Earphone, or small speaker
Antenna and suitable cable
OPTIONAL:
Ramsey Electronics Case and Knob kit, Model CHR or;
Your own choice of enclosure and hardware
HR20• 7