Ramsey Electronics HR40 Bedienerhandbuch PDF herunterladen (Seite 14)

FHT-1 • 14

 60. Install C5, .01 uf disc capacitor (marked .01 or 10 nf or 103).

 61. Install R3, 47K ohm (yellow-violet-orange).

 62. Install C28, 39 pf disc capacitor (marked 39 or 39K).

 63. Install Q3, 2SC2498 NPN

VHF transistor (marked C2498).

Position the flat side as shown on

the parts layout. Be advised that

this transistor has a different

“pinout” than the 2N3904 that was

previously installed so please

trust us when we say to follow the parts layout diagram. Make sure that

you push this transistor as close to the board as possible.

 64. Install L9, slug tuned shielded coil (marked 007007). This coil is part

of the first tripler section. It is tuned to the third harmonic of the crystal

oscillator.

Resistor

PC board

Test point loop

Markings on

this side

Long lead

collector

This lead tow ard L

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Ramsey Electronics HR40 Bedienerhandbuch Seite 14