When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
This unit is easily identifiable by it's large heat sink on the regulator transistor Q5 (2SC697) and the large 100 KHz HC-13U crystal used in it's marker generator.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.