| 摘要 |
FIELD: pulse devices, in particular, automatic control devices. SUBSTANCE: amplitude comparator and gate are introduced to accomplish the goal of invention. Oscillating circuit is connected to input of amplitude comparator. Output of oscillator is connected to control input of gate, which one input is connected to power supply. Another input of gate is connected to common line of device; gate output is connected to oscillating circuit. Output of generator is connected to one input of recording unit which another input is connected to output of amplitude comparator. EFFECT: simplified design, increased sensitivity, increased reliability. |
