Filters, Antenna filters
The short wave, but also other bands are affected by interferences. Some of these stem from natural processes, for example noise from thunderstorms or processes in the ionosphere, others are man-made disturbances. These are caused by nearby transmitters, by misaligned transmitter signals and also by overstrained receiver inputs.
In most cases, filters can be a great help here. A high frequency filter limits the bandwidth that is received, for example from the antenna to the receiver, or from the power amplifier to the antenna. In this way unnecessary components of the signal are filtered out. Modern SDR receivers implement the filter technology in the form of algorithms in the processor, but practice has shown that classical filters still offer many possibilities to improve reception.
Other filter technology is used to suppress interference from devices, for example in the case of direct radiation. Here WiMo offers a wide range of ferrites, which are not only used to build transformers, but can also be used as chokes to effectively prevent direct radiation.
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As low as: €159.00incl. VAT, plus shipping €133.61
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4O3A Band Pass Filter XL Series
Superlative bandpass filter, min. 55 dB blocking depth outside the band, max. power handling up to 4500 Watt, active cooling can be switched on. Optionally N or PL connections.
In stock, shipped in 1 to 2 days
As low as: €479.00incl. VAT, plus shipping €402.52 -
Yaesu XF-130CN Filter
CW Narrow Roofing Filter Yaesu XF-130CN, 300 Hz, 9.005 MHz IF.
In stock, shipped in 1 to 2 days
€149.00incl. VAT, plus shipping €125.21 -
Iso Plus Ethernet Isolator
Ethernet Isolator to protect against EMI
In stock, shipped in 1 to 2 days
As low as: €72.90incl. VAT, plus shipping €61.26 -
Bandpass filter for Colibri-SDR
Optional bandpass filter board for Colibri SDR receivers, with switchable preamplifier and attenuator. Increases the large signal strength of the receiver.
In stock, shipped in 1 to 2 days
View accessories€259.00incl. VAT, plus shipping €217.65 -
High-Power Bandpass Filters 2kW PEP
Ideal for contest, with PL or N sockets, 50 Ω, 50 x 100 x 65mm
In stock, shipped in 1 to 2 days
As low as: €279.00incl. VAT, plus shipping €234.45 -
Common mode filter 1,8-54 MHz, 2000W
Common mode filter 1.8-54 MHz, 2000 Watt
In stock, shipped in 1 to 2 days
€157.90incl. VAT, plus shipping €132.69 -
RFMeca band-pass filter 200W, 160-10m
Für 160/80/40/20/15/10m, low insertion loss
Available in 0 days
As low as: €179.00incl. VAT, plus shipping €150.42 -
Bandpass filter/preamplifier 6m, 2m or 70cm
Bandpass filter and preamplifier in one housing. Different models for 50/144/432 MHz, 2 or 3 outputs, suitable for high transmit power.
In stock, shipped in 1 to 2 days
View accessoriesAs low as: €269.00incl. VAT, plus shipping €226.05 -
Yaesu MTU External Band Filter 160 - 20m
External band filters 160m, 80/40m or30/20m, for various Yaesu transceivers
In stock, shipped in 1 to 2 days
As low as: €619.00incl. VAT, plus shipping €520.17