This circuit was obtained from an American 80's documentation. The transistors can be 2N2222 and the frequencies can be in the range of 500 kHz to 10 MHz. For frequencies below 100 kHz increase C1 and C2.
![](/images/stories/cir/224812482023_143648_0001.gif)
This circuit was obtained from an American 80's documentation. The transistors can be 2N2222 and the frequencies can be in the range of 500 kHz to 10 MHz. For frequencies below 100 kHz increase C1 and C2.