AVT157 / 2 B

Kit is the answer to the growing demand for 80 / 10m dual-band receivers. The device allows you to get acquainted with the work of domestic amateur radio players and to listen to the announcements of the Polish Radio Amateur Association (band 80 m). The 10m band provides access to foreign stations, mainly DXs.
The receiver has been designed based on the existing AVT157 kit. Unchanged PCB and some of discrete elements were used. The system is especially recommended for those electronics-amateurs who do not like to wind and tune the coils. They were replaced with ready chokes in. Part.

The device is especially recommended for shortwave-listeners working in 80 / 10m bands

Selected receiver parameters:

• work in the frequency ranges 3.5-3.8 (4) MHz and 28-28.5 MHz
• reception of single-side (SSB) and telegraphic (CW) emissions
• replacing the expensive factory SSB filter with a ladder filter assembled from resonators
• easy to extend into a 80 / 10m two-way transceiver system
• maximum simplification of the iBFO frequency switching method
• built-in acoustic amplifier
• volume control, listening to a loudspeaker or headphones
• power supply - 12 V
• in the set a printed circuit board, a set of elements and documentation
  
  Detailed description in
  EdW 3/05