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HomeAccessories Impedance Transformer

Impedance Transformer

$70.00

Optimized for connecting 50-ohm antennas and pre-amps to the high impedance Red Pitaya inputs. It improves sensitivity and overall receives performance.

Less than 1 dB insertion loss from 2-50 MHz.

Compatible with STEMlab 125-10 and 125-14.

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SKU: IZD0012 Category: Accessories
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  • About the product
  • Technical specifications
  • Shipping and delivery
About the product

The Red Pitaya 14:1 Impedance Transformer is optimized for connecting HF antennas to the STEMlab 125-10 and STEMlab 125-14 boards. Steps up 50-ohm antennas and pre-amps to the high impedance inputs. Improves sensitivity and performance. Less than 1 dB insertion loss from 2-50 MHz.

How to use

  • Place a jumper across pins 2 and 5 of each input to bypass the internal attenuators, then connect the transformer:

  •  

Features

  • Gold-plated male and female SMA connectors
  • Shrink-wrap insulation
  • Small and compact, room for one on each of the two antenna inputs
  • Low insertion loss using a MiniCircuits® T14-1 wideband step-up RF transformer
  • Insertion Loss

One example of Improved Performance

    • Using a passive antenna (VE3DO loop) with a Clifton Labs Z10042 11 dB Norton amplifier connected directly to a Red Pitaya at N6TV, strong intermodulation from two nearby FM broadcast stations on 92.3 and 106.5 MHz was clearly visible (106.5 - 92.3 = 14.2 MHz):
    • HDSDR no transformer
    • Inserting the 14:1 transformer between the pre-amp and the Red Pitaya reduced the intermodulation significantly, and atmospheric band noise (wideband sensitivity) improved by about 4 dB:
    • HDSDR with transformer
Technical specifications
More
Weight

0.06 kg

Dimensions

3 × 0.5 × 0.5 cm

Shipping and delivery
We ship internationally with one of the three couriers – DHL, TNT or FedEx. The shipping costs vary depending on the product weight and will be calculated fully during your checkout process. All Red Pitaya orders are shipped from our warehouse in Slovenia, within the EU. For more information, please visit our Shipping & Returns page.

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  • Home
  • Products
        • STEMlab 125-14
        • SIGNALlab 250-12
        • SDRlab 122-16
        • Accessories

      By use case

      Red Pitaya

      Industry

      Read how companies in automotive, aerospace, telecommunications and medical fields use Red Pitaya.

      Red Pitaya

      Academia

      All about how Red Pitaya can help professors teach more efficiently and students learn with ease.

      Red Pitaya

      Research

      Red Pitaya is an essential component of many scientific research projects in the fields of physics, communication, materials and bioscience.

      favicon

      Radio Amateurs

      If you are looking to get into Software Defined Radio, look no further than SDRlab which was developed specifically with this use in mind.

  • Applications
  • Resources
    • Red Pitaya

      Technical Documentation

      Find the information about getting started, more about applications and the developers guide here. Update your OS here.

      Red Pitaya

      Student projects

      Check out what epic student projects have already been done with Red Pitaya.

      favicon

      Teaching materials

      Explore our library of step-by-step examples, video tutorials and advanced FPGA exercises.

      Red Pitaya

      User forum

      Engage with Red Pitaya's community of users and exchange ideas.

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