TDA7021T FM integrated radio receiver circuit design
Using the TDA7021T integrated radio receiver circuit can be designed a very simple high efficiency portable radio receiver circuit fully compatible for applications using the low-voltage micro tuning system (MTS). The TDA7021T has a frequency locked loop (FLL) system with an intermediate frequency of 76 kHz. The selectivity is obtained by active RC filters. The only function to be tuned is the resonant frequency of the oscillator.
Because of the low intermediate frequency, low pass filtering of the MUX signal is required to avoid noise when receiving stereo. 50 kHz roll-off compensation is needed because of the low pass characteristic of the FLL.
For mono application this amplifier can be used to directly drive an earphone. The field-strength detector enables field-strength dependent channel separation control.
With a combination of a low voltage PLL stereo decoder ( TDA7040T ) and a low voltage mono/stereo power amplifier we can build a simple portable radio .
For this radio receiver circuit we need a 5V dc power supply .
|FM IF MW radio receiver circuit using LA1260 IC||
A very simple FM IF MW radio receiver circuit can be designed using the LA1260 IC manufactured...
|MK484 AM radio circuit design project||
Very simple , sensitive and high quality AM radio circuit can be make with MK484 monolithic...
|Antenna selector circuit diagram using PIN diodes||
This antenna selector circuit diagram is designed using common electronic components and is very...
|Antenna selector circuit diagram electronic project||
This antenna selector circuit diagram electronic project is designed using common electronic...
|TDA7021T FM integrated radio receiver circuit design||
Using the TDA7021T integrated radio receiver circuit can be designed a very simple high...
|50 300 MHz Colpitts oscillator circuit diagram electronic project||
In this electronic project circuit you can see a very simple high efficiency Colpitts oscillator...
|TDA9887 IF-PLL demodulator with FM radio circuit||
Using the TDA9887 integrated circuit can be designed a very simple IF-PLL demodulator with FM...
|Voltage controlled oscillator using LM111 voltage comparator and LM101||
Using LM111 voltage comparator , LM101 operational amplifier and some other electronic parts ,...
|BH1417F FM stereo transmitter electronic project||
Using BH1417F FM stereo transmitter IC can be designed a high efficiency FM stereo modulator...