Century 22 Model 579

Solid state CW only 50 watt input transceiver. Operates on 80, 40, 30, 20, 15, and bottom 500 kHz of 10m band. Full break-in CW, variable bandpass audio filter and offset tuning.

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• eHam

• Download Operating Manual from Ten-Tec.

• Audio Filter Mod
• Audio Tweeks by G0KMC

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• Crystal Calibrator Model 226
• Electronic Keyer Board Model 679
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• Frequency Coverage: 3.5 to 4.0, 7.0 to 7.5, 10.0 to 10.5, 14.0 to 14.5, 21.0 to 21.5, 28.0 to 28.5 Mhz, plus approximately 40 kHz overshoot at segment edges.
• Stability: Less than 20 Hz change per degree Fahrenheit from 70 to 110 degrees after 30 minute warm-up.
• Tuning Rate: Approximately 17 kHz per turn.
• Power Requirement: 12 to 14 Vdc. At 13.5 Vdc, 500 mA RX, 5 A maximum TX.
• Frequency Read-out Accuracy: +/- 5 kHz, +/- 2 kHz using option crystal calibrator.
• Output Impedance: 50 - 75 ohms, unbalanced.
• Receiver Sensitivity: 0.05 uV for 10 dB S+N/N, typical.
• Receiver Selectivity: 8 pole variable band-pass audio filter centered at 750 Hz. 200 Hz bandwidth, variable skirt attenuation.
• Receive Offset: Adjustable +/- 2 kHz, zero at center detent.
• Audio Output: 1 watt, 8 ohms, less than 2% distortion.
• Transmitter Power: 50 watts input, nominal 20 watts output with SWR 2:1 or less, ALC limited.
• Semiconductors: 28 transistors, 24 diodes, 7 IC's.
• Dimensions: HWD 4" x 10" x 10.5" (10.2 x 25.4 x 26.7 cm) *Weight:** 6 lbs (2.7 kg)