11/8/2022 0 Comments Msr 506 software![]() Spark gap break down (arcing across the gap) is a factor of the spark gap spacing. MSR 506 SOFTWARE GENERATORThat little cabinet (in front of the tower) is a pulse generator assembly and contains the circuitry which initiates the firing of the crowbar when it receives certain fault generated signals. The waveguide switches operate in less than 100 milliseconds and during this time, the RF excitation to the good klystron is inhibited. ![]() Immediately, a unique array of waveguide switches will automatically reconfigure the switches to take the failed klystron off line and place the remaining klystron's output in the correct configuration for radiating solo out the antenna face. Typically, during normal operation, both klystrons are operated in parallel (combined power out) and should a major fault occur with one of the two klystrons, fault detection circuits will prevent damage to that particular klystron by firing the crowbar. Numerous fault protection circuits are incorporated to sense abnormalities throughout the HLT system, which in turn initiate the action that triggers the crowbar causing it to fire. Its primary purpose is to protect the klystron and other critical components from being destroyed by such events as arcing inside the klystron. The high level transmitter's (HLT) electrical surge arrestor, is commonly called the "CROWBAR". Ves Fulp (Crowbar (left), surge resistor (right)): ![]() They also had the vacuum pumps which were probably already ruined because of the need for a special oil. I recall using a mass spectrometer as a helium leak detector which later showed up at the Indianapolis Ham fest! The guys didn't know what they had. I only had to align the parametric amps once and it was no fun. I spent a lot of time keeping the cryogenic refrigerators online due to power failures. I think the box at the bottom of the par-amp vessel was the power supply for the ion trap. The pump frequency for the varactors was located in the large cabinet as well. The par-amp vessel was evacuated to provide the necessary insulation aganst the cryo temperatures. The helium refrigerators were on the wall just behind the camera and ran the first stage just a few degrees above absolute zero. The mirrored meters read the cryogenic temperature inside the first of 3 varactor diodes which comprised the par-amp. 20 Free Blank HiCo Magnetic Card Lower power conssumption & good compatibility Read / Write all three tracks of information (Track 1, Track 2, Track 3) Reliable MagStripe reader for a minimum of 5,00,000 swipes Clear identification of successful card reads and write with Tri colored LED indicator, Beeper.The parametric amplifier is on the left of the large cabinet. MSR 506 SOFTWARE MANUAL1 Software CD including USB Driver, Demo Software, User Manual 3). ![]() ![]()
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