transmitter but can somebody help me i got few ques...

125

01:18:33

i supposed to make a mini radio transmitter at home got un fortunately i've unable to get 100ohm resistance so can somebody tell me if i can use 1k instead of 100ohm n what will b its effect on the ckt if i do so.. 

published 11 years ago

jose1979

11 years ago

hi i would make some changes. oscilacion.le no more because I added coil condensers are great. and some do. would have to look at it slowly.

harshith9

11 years ago

i thought of placing a small mic there at the place of “key" to make it a mini radio station kind ov stuff..

harshith9

11 years ago

jose1979 do give ur opinion on this

pablozz

11 years ago

more things have to change for that. now that does not amplify the audio well. and then would have to look at the second part

harshith9

11 years ago

what i got to change???

pablozz

11 years ago

thus obtain the correct point of alternating work and if you look really put ac source in Q1 output the signal is distorted. In a time when you can tell

pablozz

11 years ago

rather good and comes .uf signal. capacitors 100 nf a smaller resistance in the first half. tines have to change and measure voltage at the base, collector current, collector emitter voltage, that is what you should look at while you change.

harshith9

11 years ago

well thanxx for help

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