WR-G20DWC High-performance 20 GHz Frequency Down-converter

The WiNRADiO WR-G20DWC is a high-performance single-conversion frequency down-converter suitable for input frequencies up to 20 GHz.

This device contains a high-stability local oscillator, mixer and various filters to convert an incoming UHF to SHF frequency down to an intermediate frequency of 9 kHz to 2900 MHz, which is then directly applied to the receiver's antenna. This can be used to extend the frequency range of the WiNRADiO G39DDC and G527e receivers, as well as third-party products, into the high UHF and SHF regions.

Unlike most simple down-converters, the WR-G20DWC unit ensures excellent frequency stability by utilizing an ultra-high stability 0.01 ppm OCXO reference oscillator. This makes it usable even for narrow-band modulation modes, and due to its low noise figure it can also be used with high-end professional applications.

The WiNRADiO WR-G20DWC down-converter is especially suitable for use with the WiNRADiO G39DDC-series wideband receivers (WR-G39DDCe and WR-G39DDCi), whereby it integrates fully transparently to the user, i.e. the frequency entry and display of these receivers is automatically extended up to 20 GHz.

Physically, the WR-G20WDC unit can often stack neatly under (and sometimes above) the WiNRADiO receivers, thus providing a neat and elegant extension of their capabilities.

Third party receiver products can also be interfaced by using the supplied software application.

 Down-conversion input 2900 MHz – 20 GHz
 Bypass input frequency 9 kHz – 2900 MHz
 Output frequency 9 kHz - 2900 MHz
 Ultra-high frequency stability 0.01 ppm
 High dynamic range
 Low noise figure
 Simple installation
 Integrates with WR-G39DDC and WR-G527 receivers
 Suitable for many third-party receivers
 Low power consumption
 USB interface
 Windows control software included, SDKs for Windows
    and Linux also available

WR-G20DWC

Technical Specifications
Type Single-conversion frequency down-converter
Input frequency 2900 MHz – 20 GHz (down-converter input)
9 kHz – 2900 MHz (bypass input)
Output frequency 9 kHz – 2900 MHz
Gain -2 dB (9 kHz – 2.9 GHz)
7 – 21 dB (2.9 – 15 GHz)
3 – 12 dB (15 – 20 GHz)
NF 3 dB (bypass input)
8 dB @ 4.5 GHz
13 dB @ 19.4 GHz
IIP1 -10 to +4 dBm
IIP3 -4 to +11 dBm
Isolation In/Out 30 dB
LO leakage to IF -50 to -30 dBm depending on sub-band
LO stability 0.01 ppm (0 – 60 °C)
Connectors 1 x SMA (RF in)
1 x SMA (bypass input)
1 x SMA (IF out)
1 x SMA (10 MHz ref. input)
1 x SMA (10 MHz ref. output)
Power jack OD=5.5 mm, ID=2.5mm (center positive)
Power 12V DC ±10% @ 600 mA max.
Interface USB (1.1 and 2.0 compatible)
Dimensions Length: 164 mm (6.46”)
Width: 96 mm (3.78”)
Height: 41 mm (1.61”)
Weight 360 g (17.7 oz)

All specifications’ results are typical. Specifications are subject to change without notice due to continuous product development and improvement.

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