Differential Output Amplifier (CB6135E)

This circuit of old American documentation (1965) can be applied to any transistor.

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Thermal monitor (CB9307E)
This circuit was found in an Elektor from the 90s. The integrated circuit is uncommon today. This...
CC2564C Dual Mode Bluetooth Driver
March 2017 - Mouser Electronics is sourcing the new Bluetooth Driver CC2564 from Texas...
Simple Preamplifier (CB931E)
This circuit uses two JFET such as the BF244 or BF245 and has an excellent gain with small...