Uniden Bearcat UBC360CLT - RadioShack / Realistic PRO-136
The Uniden Bearcat 360CLT and identical RadioShack / Realistic PRO-136 are recent base scanners. This type has a spacious layout, which makes it not too difficult to equip it with a discriminator output.
The receiver IC is an NJM2552. As the IC pins are separated only 0,65 mm (0.025"), good soldering skills are required, as well as a soldering iron with a fine tip.
The baseband audio can be found on pin 11.
Pin 11 of the NJM2552 carries the unfiltered audio
The components at pin 11
Follow the next steps to make the discriminator output:
Overview of the discriminator output