Page 192 - Build Your Own Transistor Radios a Hobbyists Guide to High-Performance and Low-Powered Radio Circuits
P. 192
FIGURE 12-9A Screen capture of Winrad prograim with default
adjustments for nulling out the image signal.
The Winrad program allows for fine adjustment to null out the image signal (Figure
12-9B). By clicking on the "Show Optionsll tab and scrolling down to "Channel Skew
Calibration," fine adjustments can be made for both amplitude and phase to null
out the image signal. See the vertical line in the screen capture where the image
signal is attenuated into the noise floor.
