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The Adventures of Professor Ventura

Circuit Bench

5 V x 4 A power supply (CB1155E )
With this voltage regulator we can have currents up to 4 A at a 5 V output for TTL circuit power. The...
Phonographic preamplifier (CB8937E)
This preamplifier for phonographic capsules using FET was found in 90s American documentation....
Logarithmic Amplifier (CB25762E)
This logarithmic operational amplifier was found in the September 1994 issue of Electronics Now...