This circuit is from a 1966 publication. The frequency depends on the capacitors and on R1 which can have values between 47k and 2.2 M typically. The supply voltage can be between 200 and 300 V.
This astable multivibrator configuration causes two LEDs to alternately flash at a frequency...
Found in documentation from the 1990s, this circuit modulates the pulse width without changing its...
Taking advantage of the comparator setting, we can use the Norton amplifier as an over temperature...