SP-1
•
5
PARTS SUPPLIED WITH SP1 KIT
CAPACITORS
1
100 pF disc [marked 100 or 101] (C1)
4
.01 uF disc [marked .01, 103 or 10nf ] (C9,10,13,14)
2
.05 or .047 uF disc [marked .047 or 473 or .05 or 503] (C3, C18)
1 .1 uF disc [marked .1 or 104] (C28)
8
.47 uF electrolytic (C2,C4,C6,C7,C8,C17,C22,C23)
7 2.2 uF electrolytic (C5,C11,C15,C19,C20,C21,C29)
2 47 uF electrolytic (C16,C26)
1 220 uF electrolytic (C24)
3
470 uF or 330 uF electrolytic (C12,C25,C27)
RESISTORS
1
100 ohm [brown-black-brown] (R10)
2
270 ohm [red-violet-brown] (R4 alternate R10)
1 820 ohm [gray-red-brown] (R8)
1 1K ohm [brown-black-red] (R2)
4 4.7K ohm [yellow-violet-red] (R3,R9,R13,R19)
4
10K ohm [brown-black-orange] (R1,R6,R14,R20)
2
47K ohm [yellow-violet-orange] (R7,R12)
4
100K ohm [brown-black-yellow] (R11,R15,R16,R17)
1
68K ohm [blue-gray-orange] (R5)
SEMICONDUCTORS
1
MC65118 28-pin DIP speakerphone IC (U1)
1
LM386 8-pin DIP audio amplifier IC (U2)
1
6.2 volt zener diode [gray body with black band] (D5)
6
1N4002 black epoxy rectifier diode (D1,D2,D3,D4,D6,D7)
OTHER COMPONENTS
1
miniature microphone element (MK1)
2
1000-to-8 ohm audio transformer (T1,T2)
1 2K,5K or 10K potentiometer (R18)
2
PC mount DPDT push-switch (S1,S2)
HARDWARE AND MISC.
1
SP1 printed circuit board
1
28-pin DIP socket for U1
1
subminiature phone/speaker jack (J1)
1
modular telephone line jack (J2)
1
9 volt battery snap connector (battery use is optional)
1
5" hookup wire (optional connection "X" to "X")
REQUIRED, NOT SUPPLIED
1
Modular telephone cord (your choice of length)
1
8-ohm speaker
OPTIONAL: Ramsey CSP1 case and knob kit
Содержание SP1
Страница 6: ...SP 1 6 SP 1 PARTS LAYOUT DIAGRAM...
Страница 12: ...SP 1 12 SP1 SCHEMATIC DIAGRAM...
Страница 22: ...SP 1 22 PARTS LAYOUT DIAGRAM SP1 SPEAKERPHONE KIT...