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[. . . ] 2 METER FM 5 WATT TRANSMITTER KIT
Ramsey Electronics Model No. FT146
Here's a simple hard-working transmitter that's ideal for repeaters, Fox-hunts, remote bases, Packet - you name it!Why tie up a whole transceiver to just use the transmitter?Fun and educational to build - you'll be on-the-air in an evening! [. . . ] Install aluminum shield can cover over L11. Install C19, 10 pf disc capacitor (marked 10 or 10K). Install C20, another 10 pf disc capacitor. Install L7, a 1 turn coil wound previously. Ensure that the coil is seated flush against the PC board and not mounted with long leads up in the air which would add undesired additional inductance. Install C11, 100 pf disc capacitor (marked 100 or 101). Prepare a inch long wire jumper from the heavy tinned bus wire used for winding coils previously. Install this jumper in the L8 location on the PC board. This wire must sit flat against the PC board and not up above. Believe it or not, this wire is actually an inductor providing inpedance matching into Q6. Install C26, 100 pf disc capacitor (marked 100 or 101). Install L10, small ferrite bead RF choke you wound earlier. Install C6, 100 pf disc capacitor (marked 100 or 101).
wire jumper
(not a scrap component lead)
Wire sits flat against board PC board
1/2 inch
FT146 · 16
97. Install D4, 1N4148 style signal diode (glass body with black band). Observe correct orientation of the banded end. Select a 1K resistor, R29 (brown-blackred). Trim back one lead wire to a length of inch. Bend this wire into a small loop as before. Insert the resistor into the PC board and hold it carefully while you solder it to the board. Install C15, 39 pf disc capacitor (marked 39 or 39K). Install L4, 2 turn coil wound previously. Be sure it sits flush against the PC board. [. . . ] BE returned in fully-assembled form, not partially assembled. BE accompanied by the proper repair fee. No repair will be undertaken until we have received the MINIMUM repair fee (1/2 hour labor) of $25. 00, or authorization to charge it to your credit card account. INCLUDE a description of the problem and legible return address. [. . . ]
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