Source
Use the isolated 9 V RMS source.
Build a basic UF4007 circuit with labeled pins, component values and connection guidance.
Physical diode, resistor and a clearly labelled low-voltage source.
Follow the component values and pin connections
Use the isolated 9 V RMS source.
Connect anode to source and banded cathode to load.
Return the 1 kΩ resistor to the other source terminal.