This circuit is from a 60's documentation. The capacitance C1 can be between 20 pF and 0.01 uF depending on the generated frequency. Equivalent transistors may be employed.
Found in old American documentation, this circuit makes use of operational amplifiers from the 70s...
Toshiba LDO Regulators Toshiba has a wide variety of low voltage drop (LDO) linear regulators...
This circuit was published in a 1977 English magazine, but it can be easily assembled since all...