The AD654 is a monolithic Voltage Frequency converter consisting of an input amplifier, a precision oscillator system, and a high current output stage.
TDK Corporation has introduced the EPCOS aluminum electrolytic capacitors B43706 and B43726 series with screw terminals that are designed for rated voltages between 400V DC and 500V DC and cover a capacitance range of 820µF to 15,000µF.