Brown, D. C.2017-04-262017-04-261957-11http://dspace.lib.cranfield.ac.uk/handle/1826/11822A completely transistorized modulator has been developed for the production of frequency modulation of a 10Mc Is carrier. A frequency deviation of 100kc s is obtained by a change in the modulating signal of 0.15V and very good frequency modulation results with very little amplitude modulation.enReport