AD frequency range: MHz. Square wave: MHz. AD adopts MHz Active Crystal. The module can output two sine waves and two square. IC AD is an ADI DDS chip which be common used in many DDS projects. This AD DDS module is basic on this ADI AD chip. This module provide. IC AD is an ADI DDS chip which be common used in many DDS projects. This AD DDS module is basic on this ADI AD chip.
|Published (Last):||1 August 2013|
|PDF File Size:||6.29 Mb|
|ePub File Size:||18.87 Mb|
|Price:||Free* [*Free Regsitration Required]|
Oscilloscopes Affordable portable and bench scopes–DIY kits available! Add to Wishlist Add to Compare Share.
Buy Products Online from China Wholesalers at
It will be appreciated if you can help us improve the documents by correcting the errors, adding more demo codes or tutorials. Turn the potentiometer clockwise “right” carefully, until a pulse waveform is seen. Note that the adjustment of the comparator threshold described above is carried out at 10, in the 30m band.
This is more expensive but the modules are evidently of a higher quality.
Only registered users can write reviews. Be the first to review this product. Guess you like Empty. The image to the right shows 90 seconds of testing.
AD MHz DDS Module
Since it may not be easy for many kit constructors to carry out this adjustment, and there are already enough variables, it seems only polite for QRP Labs to supply the module ready-adjusted. The second dit speed ensures that nothing could possibly change state that could interfere with any measurement. Connect your favorite gear. Write Your Own Review Only registered users can write reviews. The duty can be adjust by a adjustable resistor – which change the adjust voltage level of the comparer.
The important pins are broken out to 0. Some failed to produce any output at all.
Some kit builders have noted poor output on 10m, which has been resolved by very very slight adjustment of the comparator potentiometer.
First name is required! The adjustment is quite sensitive, the tiniest movement of the potentiometer affects the output waveform, and for the majority of the potentiometer’s travel, there is no waveform output at all.
For technical support, please open a ticket on Itead Support System. Where To Buy Nooelec.
AD9850 0-40MHz DDS Module
For more information regarding pin functionality please consult the datasheet linked to above. Turn the potentiometer anti-clockwise “left” carefully, just a little at a time! The result should be a sharp, straight line without morule instabilities or wiggles.
Note that for these tests, the Zd9850 PA is actually disconnected. Call us toll free: All the way clockwise: The audio output of the receiver is fed into a laptop PC via a Logitech USB headset whose headset has been cut off and replaced by sockets, so that the USB audio ADC can be used to feed good quality audio into the laptop.
However the Ultimate3 AD module is now manufactured to order in a factory. Be the first one to review this product.
I accept the Terms and Coditions. Please, log in or register. In practice, seconds is sufficient to show any instabilities.
Please, log in or register. Coming Soon QSX all-band all-mode transceiver. In this condition the Ultimate3 will produce power output, but much less than it optimally should.