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friend and colleague Neil Hecht passed away on August 19th, 2015.
His family and AADE were his life. His wife and sons have our sincere
condolences and best wishes. They ask for your patience while they
determine the future of AADE. In Memoriam donations may be made to the Leukemia and Lymphoma Society|
TCXO2 Outputs: 10MHz 1MHz 100KHz 10KHz 1KHz 100Hz 10Hz
driven secondary frequency reference for radio
amateurs and electronics hobbyists.
term accuracy of 1ppm or better.
(30 cycles max error in the 10 meter band!!!)
reference for radio amateur or
and Calibrated. Eight switch-selectable outputs from 1Hz to 10Hz
wonder how accurate your frequency counter is? Or the
display on your receiver? Now you can find out quickly and
inexpensively-- no workbench is complete without a frequency standard,
and now everybody can afford one!
The TCXO2 can be powered from a 9V battery or a +8-18VDC
external power supply-- e.g. your 12V shack supply or an inexpensive
wall-wart transformer. The power
connector 9V "battery snap" accessible from outside the case. The output connector is a
heavy-duty Amphenol BNC female jack for high stability.
The circuit is very similar to that shown for the TCXO1 below,
the major difference being the switch selection of output and the
additional dividers to provide additional frequency outputs.
- Each TCXO2 is individually calibrated
against a Rubidium frequency standard to about 0.1ppm (1Hz
accuracy at 10MHz).
Long term accuracy approximately 1ppm (1Hz accuracy at 1MHz).
The 20MHz TCXO module drives a divide-by-2 network to produce the various reference frequencies.
- Output level is 0.5V p-p square wave into
TCXO itself is an SMD module which is individually calibrated against a Rubidium frequency standard .
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