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WiNRADiO WR-DNC-3500 Frequency Downconverter

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This device contains a high-stability local oscillator, mixer and filters to convert an incoming frequency range of 1700-3500 MHz down to 0-1800 MHz. This can be used to extend the frequency range of VHF/UHF receivers, both WiNRADiO and third party products.

The local oscillator is stable enough for the downconverter to be usable even for narrow-band modulation modes, and has a low noise figure to be useful for professional as well as consumer applications.

For an alternative type of a high-performance downconverter, please see also our Antenna Multiplexer and Frequency Extenderdevice.

The WiNRADiO WR-DNC-3500 Frequency Downconverter is especially suitable for use with WiNRADiO G3 series VHF/UHF receivers, such as the WR-G305iWR-G305eWR-G315i and WR-G315e receivers.

Unlike most low-cost downconverters, the WiNRADiO WR-DNC-3500 downconverter features a high-stability 0.5ppm reference oscillator, to ensure excellent frequency stability at the output.

WiNRADiO WR-DNC-3500 Downconverter Features

 Input frequency range 1700 to 3500 MHz 
 Output frequency range DC to 1800 MHz 
 High stability 
 Low noise figure 
 High IP3 
 Dual power (external or via coax) 
 Rugged weatherproof construction 
 Simple installation 
 Low-noise linear power supply included

Installation

WR-DNC-3500 Downconverter Installation The downconverter is connected to the antenna and the receiver via an SMA connector and a suitable low-loss coaxial cable. In this type of installation the power is applied directly to the downconverter. We recommend using well-filtered power, preferrably that of a linear power supply, such as WiNRADiO SF-41 series (which is already supplied with the downconnverter).

WR-DNC-3500 Downconverter Installation Alternatively, the downconverter can be placed closer to the antenna and powered via the coaxial cable. On the receiver side, the power can be injected via WiNRADiO WR-BT-3500 "Bias T" device. This would be a preferred option to minimize losses in the cable if the antenna is located at a greater distance from the receiver.

Technical Specifications
Type Single-stage wide-band frequency downconverter
Input frequency range 1700 MHz to 3500 MHz
Output frequency range DC to 1800 MHz
Gain 6 dB @ 1800 MHz
0 dB @ 3500 MHz
NF 3 dB
IP3 +3 dBm @ 1800 MHz
Third order dynamic range 95 dB @ 1800 MHz
Spurious response -40 dBc below desired IF
LO leakage to IF -30 dBc
Connectors 2 x SMA 
Power jack OD=5.5mm ID=2.5mm (center positive)
LO stability 0.5 ppm (0 to 60°C)
Power 7-15V DC @ 150 mA max
(can be supplied either directly or via coax cable)
Enclosure Diecast aluminium
Size 60 x 35 x 30 mm (2.3 x 1.4 x 1.2 in)
(excluding connectors)
Weight 105 grams (3.8 oz)


Specifications are subject to change without notice due to continuous product development and improvement

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