91 a Connecting two four-wire circuits without loss by the tail-eating method by a network Z3 the latter network is replaced by the impedance of the other ... The modulating device is called a static modulator and is shown in diagrammatic form in Fig. ... In one condition the voltage from the teleprinter makes the resistance of MRl and MR2 low and that of MRS and MRA higher; 2, 600 c/s from an oscillatoranbsp;...
|Title||:||Studio engineering for sound broadcasting|