This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply voltage and has a 10 Vpp output. The transistors are of the time, but admit equivalents.
The circuit suggested by National Semiconductor mows signals from a peak determined by the...
Photoelectric cells can be used as sensitive light sensors. However, the low voltage they generate...
The LM150, 250 and 350 series of 3 A are manufactured by several semiconductor industries that...