This setting applies to virtually any photo transistor and any operational amplifier. The power supply must be symmetrical, and the gain is determined by the relationship between R2 and R1.
The coils of this simple mid-wave radius are wound 28 or 26 on a 12 to 30 cm long ferrite rod and the...
In the figure we have a battery charging circuit for currents up to about 5 A. In series with the...
Found in 969 documentation, this circuit generates sweep signals from 1 Hz to 100 kHz. The...