This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is powered by 12 V and the power gain is 8.9 dB.
This circuit is from an operating manual from the 1990s. The circuit generates sinusoidal and cosine...
This circuit is from an 80's documentation. Equivalent transistors can be used. The circuit is...
The MAX14690 evaluation kit, a solution Maxim for battery charge management in wearables, can be...