This circuit is from an 80's publication. It makes use of small 6 V x 50 mA incandescent lamps. The diodes can be general purpose or even 1N4002. The transformer is 6.3 V with 100 mA or more current.
Toshiba LDO Regulators Toshiba has a wide variety of low voltage drop (LDO) linear regulators...
This circuit, found on Motorola's Linear Interface ICs uses the MC1536 as a driver for a 36 W or...
This circuit uses indicator lamps, as it was obtained from an American publication of the 90s. The...