Using JFETs, this circuit from a 90’s American documentation can generate signals of 0.15 Hz. The JFET can be of any general-purpose type like the BF245 or MPF102.
This circuit can be used in PLL, frequency synthesizer in FM and VHF receivers, reducing a...
Found in an American circuit manual from the 1970s, this circuit can use any general-purpose transistor....
This power supply was obtained from an Electronic Design from the 90's. The circuit applies to...