The L1 coil is formed by 4 turns of wire 20 in the form of 0.5 to 0.6 cm without core. The circuit is from an 80's documentation. The range reaches a few tens of meters.
This circuit was found in an American documentation from the 70s. The operational amplifier is...
The purpose of this circuit found in an old documentation from the 90's is to switch on low...
March 2017 - The new ERB-RD, ERB-RE and ERB-RG fuses from Panasonic's Micro Chip Fuses can now be...