Ham Radio KITS - TOP PAGE - Washington Island BOOKS

NEW (07/03/2019) - SMT Zerobeat - a zerobeat indicator kit using surface mount technology

press the Add to Cart button at the left to put a $22 SMT Zerobeat kit in your Paypal shopping cart
press the Add to Cart button at the left to put a $2 C&K 8121 momentary switch in your Paypal shopping cart
press the Add to Cart button at the left to put a $2 C&K 7201 DPDT switch in your Paypal shopping cart
Need other parts to complete your kit ? Please see the: switch and parts page

[SMT Zerobeat circuit board picture - click for larger version] The SMT Zerobeat is an update of the Grandson of Zerobeat kit

SMT Zerobeat kit has 9 LEDs which graphically indicate the frequency of a received CW audio tone (a 10th LED signal LED is also included). Adjust your transceiver's frequency until the green LED lights up and you are within +/- 10 Hz of zero beat with the transmitting station.

  • one pot audio detector setting
  • default offset frequency is 600 Hz
  • OR set the offset frequency from 400 to 1200 Hz with an optional switch press and hold
  • board size: 2 by 2 inches
  • reverse the "direction" of the LED frequency indication with an optional switch press and release
  • lower power consumption than the Grandson of Zerobeat kit, about 15 mA max
  • all board mounted parts included with kit
  • just add your enclosure, power jack, audio jack and optional switch to complete the kit
  • printed documents are NOT included, please print/view your own from the pdf files provided
  • Kit price (No manual) is $26 + shipping/handling

  • Scroll down for the manual, schematic and other acrobat files for this kit

    Print out a Kit order form to figure your order manually
    or try our: javascript order form to let your browser do the math!

    Inquire via email with any questions / comments.


    Downloadable files for SMT Zerobeat

    smtzbman.pdf - an Acrobat file of the SMT Zerobeat manual

    smtzbsch.pdf - an Acrobat file of the SMT Zerobeat schematic

    smtzbdia.pdf - an Acrobat file of the Grandson of Zerobeat parts placement

    smtzbhu.pdf - an Acrobat file of the Grandson of Zerobeat hookup picture

    smtzbcased.jpg - picture of the prototype in a clear top 115 x 90 x 55 mm plastic case from ebay

    Ham Radio KITS - TOP PAGE - Washington Island BOOKS