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DF6NA
YL 1057 data sheet
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| Parameter: | Symbol | Value |
| . | ||
| Plate voltage idle | Ua0 | < 4200 V (VHF) / 3800 V (UHF) |
| Plate voltage transmit | Ua | < 4000 V (VHF) / 3600 V (UHF) |
| Screen voltage | Ug2 | < 650 V |
| Grid voltage | Ug1 | > -100 V |
| Cathode current | Ik | < 1.2 A |
| DC Input | Pba | < 4000 W |
| Plate diss. | Pa | 2000 W |
| Screen diss. | Pg2 | < 30 W |
| Grid diss. | Pg1 | < 5 W |
| Heater voltage | Uf | 3.8 V +/- 5% |
| Heater current | If | 19.5 A +/- 2A |
| Freq. of max. rating | MHz | 1215 |
| max. surface temp. | deg. C | 250 |