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254 [2007/02/25 02:36] n5na |
254 [2017/01/13 17:19] (current) n1eu |
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| ====== Antenna Tuner Model 254 ====== | ====== Antenna Tuner Model 254 ====== | ||
| - | {{254.jpg?150|}} | + | {{254.jpg?150|}}{{254rear.jpg?170|}} |
| ===== Description ===== | ===== Description ===== | ||
| Matches balanced or unbalanced feedlines to the 50 ohm output of an HF transceiver. A tapped inductor is wound on a 2 inch diameter powdered iron core with provisions for 47 positions on the inductor selection control. Two open air variable capacitors match input and output of the "T" network. An SWR metering system is included with 0 - 20 and 0 - 200 watt metering scales. | Matches balanced or unbalanced feedlines to the 50 ohm output of an HF transceiver. A tapped inductor is wound on a 2 inch diameter powdered iron core with provisions for 47 positions on the inductor selection control. Two open air variable capacitors match input and output of the "T" network. An SWR metering system is included with 0 - 20 and 0 - 200 watt metering scales. | ||
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| *Frequency range 1.8 to 30 MHz. | *Frequency range 1.8 to 30 MHz. | ||
| *Powered iron core balun is built in for balanced feeders. | *Powered iron core balun is built in for balanced feeders. | ||
| - | *Rear panel input and outputs through SO-239 UHF connectors for coaxial lines. Terminal posts for long wire or balanced feedline type antennas and for ground. Front panel switch selects any of four antennas or the "by=pass" position. | + | *Rear panel input and outputs through SO-239 UHF connectors for coaxial lines. Terminal posts for long wire or balanced feedline type antennas and for ground. Front panel switch selects any of four antennas or the "by-pass" position. |
| *Meter scales for 0 - 20 and 0 - 200 watts. External 12-14 Vdc required for meter light. Rear panel connector provided. | *Meter scales for 0 - 20 and 0 - 200 watts. External 12-14 Vdc required for meter light. Rear panel connector provided. | ||
| *Size: HWD 3.5" x 8.75" x 8.5" (8.9 x 22 x 21.6 cm). | *Size: HWD 3.5" x 8.75" x 8.5" (8.9 x 22 x 21.6 cm). | ||
| *Weight: 4 lbs 3 oz (1.9 kg). | *Weight: 4 lbs 3 oz (1.9 kg). | ||
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| + | ===== Manual ===== | ||
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| + | *{{254manual.pdf|254 Tuner Manual}} | ||
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| + | ===== Sales Information ===== | ||
| + | {{254info.jpg?100}} | ||
