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109: Difference between revisions
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The 109's operating principle is that of a | The 109's operating principle is that of a | ||
[http://en.wikipedia.org/wiki/Pulse_forming_network#Transmission_line_PFNs charged transmission line pulse generator] | [http://en.wikipedia.org/wiki/Pulse_forming_network#Transmission_line_PFNs charged transmission line pulse generator] | ||
with a mechanical reed switch and external 50 Ω | with a mechanical reed switch and external 50 Ω transmission line/lines attached through two GR-874 50 Ω connectors. | ||
The length of the external cables determines the impulse width. | The length of the external cables determines the impulse width. | ||
Using two transmission lines of non-equal length, alternating pulses having different width can be produced. | Using two transmission lines of non-equal length, alternating pulses having different width can be produced. | ||
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File:109_right.jpg | Right internal | File:109_right.jpg | Right internal | ||
File:109_left.jpg | Left internal | File:109_left.jpg | Left internal | ||
File:109_back.jpg | Rear view | File:109_back.jpg | Rear view (connector not original) | ||
File:109_impulse.jpg | flying spot caught with 7904, S6, 7T11, 7M11. 2.5 V<sub>pk</sub>, T<sub>r</sub>=240 ps | File:109_impulse.jpg | flying spot caught with 7904, S6, 7T11, 7M11. 2.5 V<sub>pk</sub>, T<sub>r</sub>=240 ps | ||
File:Tek 109 schematic.png | schematic | File:Tek 109 schematic.png | schematic | ||