Category:Spark-gap transmitter circuits

Circuit diagrams of spark-gap transmitters. Also called damped wave transmitters, these are an obsolete type of radio transmitter used during the late 1800s and early 1900s which generated radio waves with an electric spark.

Media in category "Spark-gap transmitter circuits"

The following 48 files are in this category, out of 48 total.

1896 Marconi patent.gif 582 × 383; 18 KB
British patent 11575 Lodge IMPROVEMENTS IN SYNTONIZED TELEGRAPHY May 10 1897 fig 3 & 4.png 982 × 953; 45 KB
British patent 22,020-Karl Ferdinand Braun-filed 3 November 1899-fig. 2.png 430 × 569; 33 KB
Brockhaus-Efron Oscillation 1.jpg 465 × 336; 22 KB
Brockhaus-Efron Oscillation 3.jpg 561 × 309; 28 KB
Early wireless transmitter coupling circuits (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg 993 × 512; 22 KB
EB1911 Telegraph - Marconi transmitter and receiver.jpg 843 × 414; 56 KB
Emetteur radiotelegraphique ondes amorties 1916.jpg 2,135 × 1,180; 354 KB
Emetteur à étincelles.svg 331 × 188; 107 KB
Exemple onde amortie.JPG 614 × 277; 28 KB
Figure 1 From February 1916 QST Page 22.png 564 × 377; 18 KB
File-TX B ondes amorties 2.jpg 1,237 × 1,226; 307 KB
Hertz m.png 2,012 × 1,252; 66 KB
Hertz schematic0.PNG 425 × 275; 5 KB
Hertz spark radio transmitter 1887.png 926 × 645; 59 KB
Hertz transmitter and receiver - English.svg 929 × 665; 29 KB
Hertz Transmitter Receiver.svg 990 × 765; 35 KB
Inductively coupled spark gap transmitter circuit.svg 836 × 362; 49 KB
Marconi capacity area transmitter 1896.png 676 × 581; 38 KB
Marconi first monopole transmitter 1896.png 540 × 798; 42 KB
Marconi first transatlantic radio transmitter circuit - Poldhu 1901.png 984 × 365; 27 KB
Marconi spark gap transmitter 1896.svg 507 × 382; 29 KB
Marconi's early transmitter 1894.png 1,257 × 1,269; 13 KB
Modern Spark Gap Transmitter.jpg 4,624 × 2,600; 3.3 MB
NSRW Telegraphy, Wireless - transmitter.jpg 702 × 1,084; 81 KB
PSM V63 D119 Marconi braun antenna inductor.png 503 × 679; 16 KB
PSM V63 D121 Seibt apparatus of stationary waves.png 572 × 657; 26 KB
PSM V63 D121 Seibt harmonic oscillator.png 588 × 721; 26 KB
PSM V63 D122 Non radiative closed loop aerial.png 284 × 624; 10 KB
PSM V63 D122 Slaby loop radiator.png 385 × 657; 13 KB
PSM V63 D125 Slaby loop antenna.png 541 × 641; 15 KB
Sp xmtr.png 1,248 × 889; 5 KB
Spark gap transmitter diagram (alt).png 7,000 × 7,000; 152 KB
Spark gap transmitter diagram.png 967 × 955; 51 KB
Spark gap transmitter-Marconi patent 763772 fig 1.png 546 × 834; 7 KB
Spark-gap transmitter current waveforms - quenched gap.png 863 × 565; 35 KB
Spark-gap transmitter current waveforms.png 841 × 565; 37 KB
Sparktrans.png 286 × 195; 2 KB
Sparktrans2 vers UK vectorised.svg 331 × 188; 107 KB
Sparktrans2.png 310 × 164; 3 KB
Telg.jpg 1,664 × 1,044; 131 KB
TX 1kW 1927.jpg 1,329 × 962; 390 KB
TX B ondes amorties 1.jpg 1,295 × 1,240; 524 KB
TX onde amortie.JPG 1,158 × 599; 93 KB
TX Ruhmkorff 1.jpg 1,280 × 1,274; 404 KB
US patent 586193 Marconi TRANSMITTING ELECTRICAL SIGNALS Dec 7 1896 fig 10&11.png 1,353 × 867; 10 KB
US Patent 714756-John Stone Stone-Method of selective electric signaling 1900 figs 5&6.png 574 × 304; 29 KB
Émetteur à bobine de Ruhmkorff.JPG 772 × 1,179; 66 KB

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