| 摘要 |
A regulator circuit suitable for supplying a telephone line, e.g. in an alarm monitoring arrangement, has a series FET 11 controlled by a zener diode 14 connected to the circuit output. Diode 14 is coupled to the gate of FET 11 by a bipolar transistor 13. The circuit draws a low quiescent current and is insensitive to input voltage variations. |
