. Practical wireless telegraphy; a complete text book for students of radio communication . nnected across the terminals of the secondary condenser. The twocircuits are distinguished in the following manner: The circuit comprising the aerialand the primary winding of the receiving tuner L-\ is called the open oscillation circuit, and the circuit comprising thesecondary coil L-2 and the variablecondenser C-2, is called the closedoscillation circuit. They are alsotermed the primary and secondary cir-cuits, respectively. The current induced in the receivingaerial is made audible in the receivingt
. Practical wireless telegraphy; a complete text book for students of radio communication . nnected across the terminals of the secondary condenser. The twocircuits are distinguished in the following manner: The circuit comprising the aerialand the primary winding of the receiving tuner L-\ is called the open oscillation circuit, and the circuit comprising thesecondary coil L-2 and the variablecondenser C-2, is called the closedoscillation circuit. They are alsotermed the primary and secondary cir-cuits, respectively. The current induced in the receivingaerial is made audible in the receivingtelephone in the following manner: Whenoscillations flow in the receiving aerial,an alternating current passes through L-1and a corresponding alternating magneticfield cuts through the turns of L-2, induc-ing therein a current of radio-frequency Fig. 150.—Fundamental Diagram of the Inductively which is built Up in amplitude by placing Coupled Receiver. ^ j^^ ^^^ j,;^^^;^^ j^ electrical resonance. The variable condenser C-2 not only permits the closed circuit to be adjusted to resonance. of adjustment which the usual secon-If the coupling between the primary
Size: 1874px × 1333px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjecttelegra, bookyear1917
