====== QRP CW Transceiver Kit Model 1315 ====== {{1300series.jpg?150|}} ===== Description ===== Three watt QRP CW transceiver kit for 15 meters. ===== Reviews ===== *[[http://www.arrl.org/members-only/prodrev/pdf/pr9809.pdf|ARRL Review 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]] ===== 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]] ===== 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.