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| OVS-5, OVS-12, OVS-14, OVS-15, OVS-17, OVS-19, OVS-25, OVS-27, OVS-28, OVS-29 |  | | Backward wave lamps (BWL) with periodical electrostatic focusing and electronic frequency re-tuning by two electrodes with waveguide energy output. Intended for use as heterodynes or low-noise VHF generators. |
Technical Properties | Parameters | Permissible values | | OVS-5 | OVS-12 | OVS-14
OVS-27 | OVS-15
OVS-25 | OVS-17
OVS-29 | OVS-19
OVS-28 | | Working wavebands, GHz | 9,091-9,677 | - | 11,71-17,86 | 25,95-39,65 | - | 17,05-25,95 | | Output power, µW, not less than | 20 | 40 | 20; 40 | 8 | - | 10 | | Heater voltage, V | 6,3±0,5% | 6,3±0,5% | 6,0-6,6 | 3,0-3,3 | 6,0-6,6 | 6,0-6,6 | | Anode voltage 1, V | - | 180-220 | 180-220
140-200 | 100-200 | 110-140 | 150-220 | | Anode voltage 2, V | - | 140-180 | 120-630 | 200-300 | - | 120-650 | | Collector voltage, V | - | 100-500 | 120-630 | 220-300 | - | 120-650 | | Blocking voltage at the focusing electrode (negative), V, not exceeding | 50 | 50 | 50 | 50 | 50 | 50 | | Load standing wave coefficient by voltage (SWCV), not exceeding | 1,5 | 1,5 | 1,5 | 1,1 | 1,5 | 1,5 | | Cathode current, µА | 15-45 | 20-50 | 15-35
15-40 | - | 25-60 | 15-40 | | Control electrode current, µA, not exceeding | 25 | 2,0-3,0 | 14; 20 | 20 | 1,5-30 | 20 | | Heater current, A, not exceeding | 0,6 | 0,3-0,5 | 0,3-0,5 | 2,15 | 0,3-0,5 | 0,3-0,5 | | Abruptness of frequency electronic retuning, MHz/V, not exceeding | 25,8 | 16 | 15 | 30 | 6-60 | 20 | | Minimum performance duration, hours | 5000 | 1500 | 1000 | 1500 | 2000 | 1000 | | Weight, g | 325 | 600 | 600 | 450 | 350 | 350 | | Dimensions, mm | 97x43x64 | 102x43x119 | 88x61x93,5 | 92x69x55 | 54x42x75 | 98x71x39 | | | | | | | | | |
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