The SCR Preselector

High-performance Software Controlled Radio Preselector

TUNABLE BAND-PASS FILTER BANK FOR HF BANDS

Covering 1.8MHz to 30MHz in five bands.

Digital Tuning. Stand alone or USB control from PC.

New upgraded features.

There are no active switching devices in the signal path therefore it does not
contribute to IMD (Intermodulation Distortion) itself.

■ Tunable Band Pass Filter bank for HF bands.

■ Covering 1.8 to 30 MHz in five bands.
.
■ Digital tuning.

■ Very high IP3. Suitable for Software Define Radios.

■ Removes the strong signals radiated back to the antenna from SDR quadrature mixers.

■ Exceptional stop-band attenuation centered on the adjacent amateur band.

■ Large toroid cores T-106 size.

■ Porcelain, High Q tuning capacitors.

■ Embedded 100dB Broadcast Band Rejection filter.

■ PTT feature enables by-pass the preselector allowing connecting in-line to a 100Watts transceiver.

■ Complete front-end for your projects.

■ Locked to a VFO can perform tracking tuning function.

■ Can be controlled from an external digital system.

■ Stand alone or controlled from a PC through a graphical user interface (GUI).

■ Full speed USB v2.0 compliant. Plug and Play.

■ The software program on PC runs under Windows 2000, XP, Vista (32 bits)
   and Windows 7 (32 bits) OS.
(Windows 2K users need to update Framework from Windows Update site)

■ Dimension: 220mmx165mmx52mm(8.661x6.496x2.047in).

SCR Preselector brochure.

The software program on the PC runs under Windows 2000, XP, Vista32 and Windows 7.
(Windows 2K users need to update Framework from Windows Update site).
The user, through the GUI, commands the SCR Preselector in the same way as it does in stand-alone mode.
The program can work at the same time with any SDR software running on the PC, allowing to the user to control both simultaneously.

Graphic User Interface on PC. PTT activated.

The SCR Preselector is available through