Ramsey Electronics STC1 Manual de Instruções descarregar pdf (Página 11)

FM25B • 11

Inductors

 1 Shielded can inductor, 0.18 uH [L1]

 2 Pre-wound spring style inductors, 44 nH [L2,4]

 2 1 µH axial inductors (brown-black-gold) [L3,5]

Hardware, Misc.

 1 PIC 16C505 microcontroller IC (marked with white sticker) [U2]

 1 BH1415F Stereo generator IC [U3] Preinstalled!

NOTE: These surface mount parts may be pre-installed on your circuit board.

Check the solder side of the PC board for these parts.

 1 7.6 MHz crystal (thin shiny rectangle marked 7.600000) [X1]

 1 78L05 +5 volt voltage regulator [VR1]

 1 14-pin socket for U2

 1 LM358 Low Power Dual Operational Amplifier IC [U1]

 1 GAL5 SMT Amplifier IC (surface mount chip with 4 leads, 3 on one

side) [U4] Preinstalled!

 1 Two pin jumper and jumper block [J1]

 1 ‘F’ type board mount connector [J3]

 2 3.5mm stereo jacks [J4,5]

 1 2.1mm DC power jack [J2]

 1 DPDT push-button switch [S4]

 3 DIP switches (8 pin dip with 4 sliding tabs) [S1,2,3]

 1 Whip antenna [ANT1]

 1 FM25B printed circuit board

 1 1/8” stereo to RCA cable

 1 AC125 12 volt DC power transformer

Required, not supplied

 Line level audio source (such as a tape deck or CD player)

Case and Knob Parts

 Top cover with drilled antenna hole

 Bottom base tray

 4 - Short Phillips Head Screws

 2 - Long Phillips Screws

 Front and Rear Plastic Panels

 Front and Rear Labels

 4 - Rubber Feet

 Appropriate Knobs for Kit

Required Tools

 Small Phillips Head Screwdriver

 Pen or Pencil

 Sharp hobby knife or hand held paper punch

 Ruler at least 6 inches long

 Multimeter for voltage adjustment

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Ramsey Electronics STC1 Manual de Instruções Página 11