Ramsey Electronics HR40 Instrukcja Obsługi Pobierz pdf (Strona 7)

FHT-1 • 7

 2 Small ferrite bead core [L10,12]

 2 Aluminum coil shield cans [for L5,11]

Semiconductor devices

 1 1N4002 style black epoxy diode [D9]

 3 1N4148 style signal diode (glass body with black band) [D2,4,5]

 1 FS4059 varactor diode (black body with yellow color band) [D1]

 1 Zener diode, 6.2 volt (gray body with black band) [D3]

 3 2N3904 NPN transistor (marked 2N3904) [Q1,2,7]

 1 2SC2498 or 2570 VHF/UHF NPN transistor [Q3]

 1 NE021 flat pack NPN transistor (marked 021) [Q4]

 1 2N3866 metal can NPN transistor [Q5]

 1 SD1127 metal can RF power transistor [Q6]

 1 2N5193 PNP transistor (marked 2N5193) [Q8]

 1 7805 voltage regulator IC (marked 7805) [VR1]

 1 68HC705K1 microcontroller IC (marked FHT1)

 2 LED Light emitting diode [D7,8]

Special components

 1 Crystal 16.280 MHz (for 146.520 MHz output) [Y1]

 1 2.5MM sub-miniature phono jack [J2]

 1 Push-on aluminum heat sink

 1 5/16" x 20 bolt (to wind coils on)

 1 ½ foot enameled magnet wire (#28)

 1 ½ foot tinned buss wire (#20)

 1 FHT epoxy printed circuit board

 1 Low Pass Filter printed circuit board

 1 SPDT Slide switch [S2]

 1 4 pin DIP switch[S3]

 1 16 pin IC socket

 1 SO 239 chassis mount connector

 2 #4-40 screws, 1/2” - 5/8” in length

 4 #4-40 nuts

 1’ black jacketed wire (#18)

 1 1’ red jacketed wire with fuseholder

Required, not supplied

 12 volt DC power source at 1 amp minimum

 Dummy load or suitable antenna

 Enclosure such as the Ramsey CFHT

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Ramsey Electronics HR40 Instrukcja Obsługi Strona 7