For this purpose the serial interface protocol is documented, which is used by the SPF to select a filter. Additionally the new AD converter has a word length of 16 Bit, which allows for a finer resolution and an improved dynamic range. The SPF pre-selector is not suitable for use with tranceivers, only to be used with receivers. The tuning steps can be customized, as well as the bandwidth filters up to 24 kHz width. In stock , shipped in 1 or two days. But usually you will not want to perform any big changes.

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The patent pending tuning system offers three mouse operated dials fpr ‘coarse’, ‘middle’ and ‘fine’ tuning, resulting ffdm-s1 a very precise and fast tuning over the entire range.

It also has most of its functions available under direct keyboard entries and it features a “triple tuning bar” which guides you through the spectrum in meterbands,megahertz or finetuning, a bit like a mechanical tuning dial with multiple gears. All functions are software defined and can be enhanced or modified through software updates.

Because it’s nearly perfect in the original setting.

Not to be forgotten is the spectrum recording function. That is much easier than with other SDRs. Adjust every receiver independently to operating mode, filter, volume, squelch and so on. Tweaking the settings of the two manual notch filters is a bit cumbersome. The SPF is a switchable pre-selector filter for receivers, constructed as a modular system.

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With some clever configuration of the SFE board the package can serve as a Ellad all mode receiving system, leaving not much to wish for. The boards are partially assembled, and come either with or without relays. Based on this experience the FDM-S1 was designed as a very compact receiver with many outstanding features. So, these were the most important features related to the software.

Fenu-Radio – ELAD FDM-S1

The “frequency related settings table” also functions as a user defined bandplan. But if you have some practiceit works quite well. Updates to the software are handled in a very professional and friendly manner. Not in stockback in 65 days.

Size x 27 x 88mm, weight g. A maximum spectrum width of 6. For a full description and more images of the TM-2 controller please click here. But usually you will not want to perform any big changes.

Further the FDM-SW1 software allows to define an indefinite number of band segments, where mode, filter and tuning steps are pre defined.

A transmission schedule for DRM is supplied with the software. So is this a meaningful comparison? This is a little circuit board with several switching facilities controlled from the FDM-S1 by a 9 pin connector. Filter charts Elad SPF It is also possible to directly download DX cluster frequency lists. My phaser is a Quantum. It adjusts to screen size and thus gives you a large display on a wide screen.

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To make good use of the entire frequency range one can add external bandpass filters. Additionally the new AD converter has a word length of 16 Bit, which allows for a finer resolution and an improved dynamic range.

FDM-S1 Receiver

For SDRs the dynamic range of the ADC is much better used when unwanted strong signals are filtered before conversion. And a b ig plus for the SW1, it is freely scalable up to screen size! After an initial setup all filter selection is fully automatic.

A directly accessible recorder allows storage of received transmissions with a click of the mouse. It produces virtually no digital artifacts.