摘要 |
<p>1,136,603. Pulse modulation circuits. HONEYWELL Inc. 20 Dec., 1965 [23 Dec., 1964], No. 53953/65. Heading H4L. [Also in Division G3] A variable frequency oscillator comprises input terminals 63, 73, and a saturable core transformer 65 having an output winding 68 and windings 64, 66 associated as shown with transistors 61, 62, the arrangement being such that the frequency of the output signal E5 at terminals 74, 75 is a function of the input signal E4.</p> |