Such services need not take place in a synagogue; they merely require a quorum ('minyan') of at least ten men over 13 years of age (in Orthodoxy-ten men or women in Progressive Judaism) to gather for morning, afternoon and evening prayers.uch services need not take place in a synagogue; they merely require a quorum ('minyan') of at least ten men over 13 years of age (in Orthodoxy-ten men or women in Progressive Judaism) to gather for morning, afternoon and evening prayers.
A repeater is an electronic device in a communication channel that increases the power of a signal and retransmits it, allowing it to travel further. Since it amplifies the signal, it requires a source of electric power.
Noun. 1. rectifier-electrical device that transforms alternating into direct current. demodulator, detector-rectifier that extracts modulation from a radio carrier wave. electrical device-a device that produces or is powered by electricity.