delambo
New Member
I am looking for a circuit (or some advise) on how to drop a high voltage signal by a given percentage accurately - like an amplifier only in reverse!
I wish to have a switchable scale to reduce by 5000% (50 volts to 1 volt), 2000% (20 volts to 1 volt) 500% (5 volts to 1 volt) and straight through, ie to supply my curcuit board with 1 volt direct from the supply.
I am currently doing this using the voltage divider method with 2 resistors, but I looking for something a little more accurate and pleasing to the eye!
I am currently switching between the scales with 4 push to make switches (one for each scale), a pic controller and 4 relays, but I open to more suggestions on this.
Any help appreciated,
Thanks.
I wish to have a switchable scale to reduce by 5000% (50 volts to 1 volt), 2000% (20 volts to 1 volt) 500% (5 volts to 1 volt) and straight through, ie to supply my curcuit board with 1 volt direct from the supply.
I am currently doing this using the voltage divider method with 2 resistors, but I looking for something a little more accurate and pleasing to the eye!
I am currently switching between the scales with 4 push to make switches (one for each scale), a pic controller and 4 relays, but I open to more suggestions on this.
Any help appreciated,
Thanks.
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