Ramsey Electronics FT146 用户手册

FT146

• 6

into transmit. There is no need to control the voltage to any other transistors
since they a

operate class "C". A class C amplifier draws no current unless it is

driven, so there is no need to switch the later stages on and off.

FT146 2 METER FM TRANSMITTER KIT PARTS LIST

Capacitors:

❒

1 2 or 2.2 pf disc capacitor (marked 2 or 2.2 or 2K or 2.2K) [C17]

❒

1 4.7 or 5 pf disc capacitor (marked 4.7 or 5 or 4.7K or 5K) [C21]

❒

2 10 pf disc capacitor (marked 10 or 10K) [C19,20]

❒

1 12 pf disc capacitor (marked 12 or 12K) [C25]

❒

1 15 pf disc capacitor (marked 15 or 15K) [C27]

❒

1 22 pf disc capacitor (marked 22 or 22K) [C18]

❒

3 39 pf disc capacitor (marked 39 or 39K) [C13,15,28]

❒

2 47 pf disc capacitor (marked 47 or 47K) [C10,22]

❒

1 56 pf disc capacitor (marked 56 or 56K) [C14]

❒

6 100 pf disc capacitor (marked 100 or 101) [C6,11,16,24,26,29]

❒

1 470 pf disc capacitor (marked 470 or 471) [C30]

❒

13 .001 uf disc capacitor (marked .001 or 1000 or 102)

[C7,8,23,31,32,33,37,38,39,40,41,44,45]

❒

6 .01 uf disc capacitor (marked .01 or 10 nf or 103) [C1,3,4,5,35,36]

❒

1 .1 uf disc capacitor (marked .1 or 104) [C9]

❒

2 10 uf electrolytic capacitor [C34,42]

❒

1 100 to 220 uf electrolytic capacitor [C2]

❒

2 Trimmer capacitor, 30 pf [C12,43]

Resistors and potentiometers:

❒

1 2 ohm resistor (red-black-gold) [R6]

❒

1 51 ohm resistor (green-brown-black) [R10]

❒

1 100 ohm resistor (brown-black-brown) [R28]

❒

2 270 ohm resistor (red-violet-brown) [R8,20]

❒

2 470 ohm resistor (yellow-violet-brown) [R7,25]

❒

7 1 K ohm resistor (brown-black-red) [R1,2,4,9,11,22,29]

❒

2 2.2 K ohm resistor (red-red-red) [R21,24]

❒

6 10 K ohm resistor (brown-black-orange) [R12,15,16,23,26,27]

❒

3 47 K ohm resistor (yellow-violet-orange) [R3,5,17]

❒

3 100 K ohm resistor (brown-black-yellow) [R14,18,19]

❒

1 5 K ohm potentiometer [R13]