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1315 [2007/02/23 02:31] n5na created |
1315 [2018/10/31 16:08] (current) n5na [Reviews] |
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| ===== Description ===== | ===== Description ===== | ||
| - | Three watt QRP CW transceiver kit for 15 meters covering 50 kHz. | + | Three watt QRP CW transceiver kit for 15 meters. |
| ===== Reviews ===== | ===== Reviews ===== | ||
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| *[[http://www.arrl.org/members-only/prodrev/pdf/lab/tt1340.pdf|ARRL Expanded Report of the 40m Kit]] (Must be an ARRL member and logged in to view.]] | *[[http://www.arrl.org/members-only/prodrev/pdf/lab/tt1340.pdf|ARRL Expanded Report of the 40m Kit]] (Must be an ARRL member and logged in to view.]] | ||
| *[[http://www.eham.net/reviews/detail/156|eHam]] | *[[http://www.eham.net/reviews/detail/156|eHam]] | ||
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| + | ===== Related Links ===== | ||
| + | *[[http://groups.yahoo.com/group/TT_QRP_Kits/|Ten-Tec QRP Kits Yahoo Group]] | ||
| + | |||
| + | ===== Mods ===== | ||
| + | *[[https://web.archive.org/web/20080313175329/https://www.io.com/~n5fc/tt13xx_mods.htm|N5ESE Mods]] | ||
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| + | ===== Specifications ===== | ||
| + | ==== General ==== | ||
| + | ***FREQUENCY COVERAGE:** any 50 kHz section of CW sub-band. Selection made during winding of one toroid in VFO circuit. | ||
| + | ***FREQUENCY CONTROL:** varactor tuned oscillator with potentiometer control. Temperature compensated LC components stabilize VFO. | ||
| + | ***RIT (receive incremental tuning):** +/- 1.50 kHz | ||
| + | ***ANTENNA:** 50 ohm unbalanced, SO-239 connector | ||
| + | ***POWER REQUIREMENT:** 12 - 14 VDC, 35 ma on receive with no signal 80 ma on receive for S-9 signal 800 ma on transmit | ||
| + | ***CONSTRUCTION:** black texture painted. Clamshell style steel top and bottom, aluminum chassis. One double-sided printed circuit board measures 3.5" x 5". | ||
| + | ***BOARD MOUNTED COMPONENTS:** 216 including 4 ICs, 19 transistors and 13 diodes. | ||
| + | ***FRONT PANEL CONTROLS:** main tuning, volume, RIT; toggle for power ON/OFF | ||
| + | ***CONNECTORS:** 1/4" stereo phone jack on front for headphones, 3 phono jacks on rear for key, DC input, DC output; SO-239 for antenna | ||
| + | ***DIMENSIONS:** HWD 2.75" x 6" x 6" - 7 x 15.2 x 15.2 cm | ||
| + | ***WEIGHT:** 2.25 lbs - 1.02 kg. | ||
| + | |||
| + | ==== Transmitter ==== | ||
| + | ***RF OUTPUT:** 3 watts typical, no external adjustment | ||
| + | ***T/R SWITCHING:** solid state, full break-in | ||
| + | ***CW OFFSET and SIDETONE:** adjustable 400 - 1000 Hz, sidetone automatically tracks offset frequency. Sinewave sidetone has internal level adjustment. | ||
| + | |||
| + | ==== Receiver ==== | ||
| + | ***TYPE:** single conversion superhet, JFET mixer | ||
| + | ***SENSITIVITY:** 0.25 uv typical for 10 dB S/N | ||
| + | ***SELECTIVITY:** 4 pole crystal ladder filter, 1 KHz nominal bandwidth | ||
| + | ***AGC:** audio derived | ||
| + | ***AUDIO:** 0.3 watt @ 4 ohms, built-in 3" speaker. | ||
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