vead
Full Member level 5
hi,
i am trying to design am transmitter for short distance to learn basic calculations of transmitter
AM TRANSMITTER
modulations type am modulations
frequency range 1mhz
voltage supply 12v
transmitting distance 80m-100m
audio frequency 20hz-20khz
antenna
low level modulated with linear amplifier
i know i need following circuit to make transmitter
audio amplifier circuit
Oscillator circuit
RF amplifier circuit
microphone
microphone ratings
frequency response 20khz
impedance 2k ohms
my questions
what is gain of audio amplifier for am transmitter
give idea to know how much gain is required and which stage is used for transmitter
single stage, two stage, three stage ....
please explain with mathematical calculations
i don't care bad quality of transmitter
thanks.................
i am trying to design am transmitter for short distance to learn basic calculations of transmitter
AM TRANSMITTER
modulations type am modulations
frequency range 1mhz
voltage supply 12v
transmitting distance 80m-100m
audio frequency 20hz-20khz
antenna
low level modulated with linear amplifier
i know i need following circuit to make transmitter
audio amplifier circuit
Oscillator circuit
RF amplifier circuit
microphone
microphone ratings
frequency response 20khz
impedance 2k ohms
my questions
what is gain of audio amplifier for am transmitter
give idea to know how much gain is required and which stage is used for transmitter
single stage, two stage, three stage ....
please explain with mathematical calculations
i don't care bad quality of transmitter
thanks.................