Assembly instructions for experimental AM transmitter (version 2023)

 

 

Objective:

 

(1) Understand the principle of high frequency signal osci I lat ion of AM transmitter

 

(2)Understand the principle of high frequency signal amp I ification of AM

 

transmitter

 

(3)Understand the modulation principle of AM transmitter

 

 

Use voltage: 5V-6V

 

Current : 60MA

 

Frequency range: 530~1600KHZ

 

Power consumption: 0.3W

 

External antenna 6M (1/50 wavelength) 75M (1/4 wavelength)(does not includeantenna)

 

Sound quality measurement

 

1 meter away from the antenna. Not susceptible to interference.

 

Non-directional reception

 

2-6 meters away from the antenna, there is a directional reception.

 

It may be interfered by household appliances.

 

From the antenna > 6 meters seller unconditional test machine.

 

More than 3 times stronger than the student signal generator signal