Crystal direct frequency modulation circuit

Features of crystal direct frequency modulation circuit:
The circuit itself is an oscillator, which is partly connected to the varactor tube
Cj is the component control of the oscillation circuit Cj is the Vr signal

Energy Meter For Base Stations
DC and AC monitoring energy meter is specially designed for base stations where have sharing requirements, and switch power supply is without the function of sub-user metering.multi channels dc power metering Solution could measure 6 circuits DC energy, and supply working current to the matched hall sensors. Meanwhile,dc energy monitor can realize zero drift calibration by upper computer software. have the functions of telemetering, teleindication,teleadjusting, metering at real time, energy quality abnormal alarm, data storage and processing, data interactionlow cost dc energy meter can measure DC power consumption of three operators, providing detail datas for base station.

Acrel Electric Co., Ltd. [Stock Code: 300286.SZ]

Founded in 2003, one of the few leading companies in China who provides various systematic solutions of power monitoring, power control, energy management and electrical safety for smart grid users. Substation automation system, power quality management system, energy management system, electrical fire monitoring system, IT distribution system for medical locations, precise distribution management system, FEPS power supply monitoring system, fire emergency lighting and evacuate indicating system, smart lighting control system and electric vehicle charging system.

Dc Monitoring Meter,Dc Digital Energy Meter,Dc Energy Monitors,Dc Power Supply Meters
Jiangsu Acrel Electrical Manufacturing Co., LTD. , https://www.acrel.com.pk