FT Tuthill CW Transceiver

Hendricks QRP Kits
Affordable QRP kits at exceptional value

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Ft Tuthill CW Transceiver

Shown with optional Digital Dial

Specifications

Receiver:

DC receiver (not a superhet)
Current Drain: Approximately 45 ma @ 12v. The addition of the counter adds ~ 22 ma of addition current drain.
Supply voltage range: 10.5 to 14v
Receiver bandwidth: 700 Hz. Five pole R/C active filter provides the selectivity, nominally 3 dB down at 1 KHz, 40 dB down at ~2 KHz, 100 dB down at ~ 8 KHz
0.16 uV receiver sensitivity
5v pk-pk receiver detector design enables stout large signal performance

Transmitter:

Power Output ~ 5w at 12v , 760 mA
All output harmonics less than -50 dBc
Transmitter is set up for a straight key input

Features:

Both RIT and XIT are provided with ~ ą 4000 Hz tuning range.
60 KHz tuning ranges for 15m, ~ 21.000 - 21.060 and 21.075 - 21.135 MHz, or are available using a front panel range switch.
30 KHz tuning ranges for 160m, ~ 1800 - 1835 and 1830 - 1865 MHz, or are available using a front panel range switch.
Spot switch to allow setting precise TX spotting. Spotting mode is entered via a push button. A 800 Hz blip is sent once a second to remind the user that the rig is in the "spot" mode.
Transmit protection - When the transmitter is left key down for more than three seconds, the transmitter going into a "dotting" mode. The transmitter is capable of running indefinitely in dotting mode.
The audio output has been designed to drive headphones and have been provided with audio compression to protect the user from sudden, large signals when using headphones.
A regulated 5v output has been provided for external keyer kits.

Supporting Files and Documents

Ft Tuthill 15m Assembly/Operation Manual - Part 1 (v6)

Ft Tuthill 15m Assembly/Operation Manual - Part 2 (v5)

Revised Assembly instructions for the Bail

Ft Tuthill 15m Schematic

Ft Tuthill 160 Assembly/Operation Manual - Part 1

Ft Tuthill 160 Assembly/Operation Manual - Part 2

Ft Tuthill 160 Schematic

Ft Tuthill 160 Parts Overlays

Ft Tuthill Decal Instruction Manual

Ft Tuthill Chassis Preparation Manual

Links for 160m

160M band operating and technical reference:

http://solar.spacew.com/cq/cqmar98.pdf

160m antenna URL references:

http://www.dxzone.com/cgi-bin/dir/jump2.cgi?ID=9005
http://www.iw5edi.com/ham-radio/?a-practical-antenna-for-160-metres,32
http://m0ezp.squirrelhouse.biz/160-base-loaded-inv-L.htm
http://topband.blog.cz/0612/a-practical-antenna-for-160m-by-alan-g4erz
http://www.hamuniverse.com/k6mm160metervertical.html

Ordering Information

You may use our Order page to order the FT Tuthill CW Transceiver by mail using check or money order. or

Ordering electronically by PayPal using the buttons below.

NOTE
When an order is placed through PayPal, shipping charges are automatically calculated then a confirmation email is immediately sent by PayPal. For more information about our shipping charges please take a look at our Order Form page. We also receive this same email, so please rest assured that we have logged your order into our books. No other order confirmation will be issued. Your kit will be shipped in 1-2 weeks after our receiving the order, unless otherwise stated. Thanks for your support.

Orders of multiple kits that I can ship in the same box will have shipping costs adjusted and the excess will be refunded.

Please use our Order page to order by mail.