This frequency meter for low frequencies (up to 1 MHz depending on R3 and C2 was found in a publication from 1947. Note supply voltage. R1 depends on signal strength.
Frequency meter (T1132E)
- Details
- Written by: Newton C. Braga
This frequency meter for low frequencies (up to 1 MHz depending on R3 and C2 was found in a publication from 1947. Note supply voltage. R1 depends on signal strength.
