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| OV-3, OV-4, OV-19, OV-20, OV-603, OV-604, OV-619, OV-620 |   | | Packaged low capacity O-type continuous backward wave lamps. The devices have electronic cm-waveband frequency tuning feature and are intended for application as heterodyne generators with electronic frequency re-tuning. |
Technical Properties | Parameters | Permissible values | OV-3
OV-603 | OV-4
OV-604 | OV-19
OV-619 | OV-20
OV-620 | | Heater voltage, V | 5,7-6,9 | 5,7-6,9 | 6,0-6,6 | 6,6-6,6 | | Control electrode voltage, kV | 0 | 0 | 0 | 0 | | Blocking voltage at the control electrode, V, negative, not exceeding | 150 | 150 | 250 | 250 | | Anode voltage, V | 100-200 | 70-200 | 70-300 | 70-300 | | Slowing system voltage, V | 140-1350 | 140-1350 | 200-1000 | 220-900 | | Spectrum width, MHz, not exceeding | 0,5 | 0,3 | 0,1 | 0,1 | | Working waveband, MHz | 2345-4690 | 1500-3000 | 6530-10170 | 4420-6980 | | Output power, µW, not less than | 40 | 100 | 20 | 30 | | Output power difference, dB, not exceeding | 8,5 | 9,0 | 8,5 | 8,0 | | Heater current, À | 1,3-1,8 | 1,3-1,8 | 0,5-2,0 | 0,5-2,0 | | Anode current, µA | 4-10 | 4-10 | 3-12 | 3-12 | | Slowing system current, µA, not exceeding | 50 | 15-50 | 5-40 | 5-35 | | Readiness time, min, not exceeding | 2 | 2 | 1,5 | 1,5 | | Load standing wave coefficient by voltage (SWCV) | 1,2-1,6 | 1,2-1,6 | <=2,3 | <=2,3 | | Minimum performance duration, hours | 1000 | 1000 | 2000 | 2000 | | Weight, kg | 3,2 | 4,2 | 2,5 | 2,5 | | Dimensions, mm | 103õ145õ234 | 86õ145õ234 | 130õ200õ72 | 130õ20072 | | | | | | | |
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