160512-1: This is an experimental power supply based on switching single-threshold Baristors with a controlled threshold value. The output voltage can be set by P1 but varies with the load and input voltage. Replacing P1 with an optocoupler or a JFET allows the output voltage to be controlled by another circuit.
160512-2: This is a switching single-threshold Baristor with two outputs: U > Ubarrier and U < Ubarrier. With a continuously increasing input voltage the output voltage is initially present at the low-level output K2, and, after exceeding a certain threshold value, it is switched over to the high-level output K3.
160152-3: This circuit produces a constant DC voltage highly independent of the AC input voltage and attached load. The output voltage is about 4.4 V with a 150 Ω load and 4 V with a 10 Ω load.