Differences
This shows you the differences between two versions of the page.
| Next revision | Previous revision | ||
|
579 [2007/02/20 21:16] n5na created |
579 [2018/11/01 03:22] (current) n5na [Manual] |
||
|---|---|---|---|
| Line 1: | Line 1: | ||
| ====== Century 22 Model 579 ====== | ====== Century 22 Model 579 ====== | ||
| - | {{579.jpg?150|}} | + | {{579.jpg?150|}}{{579rear.jpg?190|}} |
| ===== Description ===== | ===== Description ===== | ||
| Line 8: | Line 8: | ||
| *[[http://www.arrl.org/members-only/prodrev/pdf/pr8505.pdf|ARRL]] (Must be an ARRL member and logged in to view.) | *[[http://www.arrl.org/members-only/prodrev/pdf/pr8505.pdf|ARRL]] (Must be an ARRL member and logged in to view.) | ||
| *[[http://www.eham.net/reviews/detail/458|eHam]] | *[[http://www.eham.net/reviews/detail/458|eHam]] | ||
| + | |||
| + | ===== Manual ===== | ||
| + | *[[https://www.tentec.com/?p=1254|Download Operating Manual]] from Ten-Tec. | ||
| + | |||
| + | ===== Mods ===== | ||
| + | *[[579audfilter|Audio Filter Mod]] | ||
| + | *[[579audiotweeks|Audio Tweeks]] by G0KMC | ||
| ===== Accessories ===== | ===== Accessories ===== | ||
| Line 15: | Line 22: | ||
| *DC Circuit Breaker Model [[1179]] | *DC Circuit Breaker Model [[1179]] | ||
| + | ===== Specifications ===== | ||
| + | ***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) | ||
