This circuit is powered by a voltage of 4.5 V, being common in radios of the 60's. The circuit is from Mullard's transistors reference manual.
This circuit can flash for up to 30 months using alkaline batteries as shown in the table next to the...
This circuit accurately monitors a 5 V TTL source. The circuit is from National Semiconductor's Linear...
The purpose of this circuit is to match two operational amplifiers that operate with different...