This current meter with many scales was found in a 80s American documentation. The operational amplifier is from that time, uncommon nowadays.
This simple game in which the player has to guess the chosen position of the key was found in a...
Current sensors of the type High-Side (high side) are circuits that monitor the current drained by a...
This circuit uses an 80's operational amplifier. The circuit is from an old RCA manual and can be...