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Technical Means for Radio Monitoring

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ARC-KNV4

External Remote-Controlled Frequency Down-Converter


Certificate of Federal Agency for Technical Regulation and Metrology – Approval of Measuring Equipment Type RU.C.33.018.A No. 48021/1 as of 29.06.2017. Entered into State Register of Measuring Equipment, Reg. No 51121-12.

Certificate of measurement procedure qualification No. 206/000265/2011 as 01.02.2011. It is also registered in the Federal Metrology and Standardization Foundation with No. ФР.1.38.2011.10001

Certificate of measurement procedure qualification No. 002/2013 as 11.10.2013. It is also registered in the Federal Metrology and Standardization Foundation with No. ФР.1.35.2014.17680.


Purpose:

ARC-KNV4 Frequency Down-Converter

ARC-KNV4 Frequency Down-Converter

Typical configuration:

Features:

Technical Specifications

Operating frequency range:
At external antenna input 1000-18000 MHz
When using integared antenna 3000-18000 MHz
Number of receiving channels 1
Standing Wave Ratio (SWR) at antenna input with input resistance 50 Ohm 3 max.
Field sensitivity of buit-in antenna at SNR equal to 0 dB within 3 kHz bandwidth 50 μV/m max.
Noise figure (with preamplifier on) at unswitched inputs within frequency range of 3000–18000 MHz 30 dB, max.
Single-signal dynamic range, taking into account the gain control at resolution not exceeding 16 kHz (with a spectrum discreteness of 3.125 kHz) 100 dB, min
Intermodulation free dynamic range (3rd and 2nd order) at resolution not exceeding 16 kHz (with a spectrum discreteness of 3.125 kHz) 68 dB, min
Attenuation 0 - 30 dB, incr 1 dB
IF output (depending on design) 70 MHz
Max. bandpass at ±3,0 dB variation depending on output IF 24 MHz
Max. simultaneous bandwidth (bandpass) at ±3.0 dB variation 24 MHz
Single-signal spurious, Image and IF rejection 45 dB, min
Aperture angle of internal antenna at minus 3 dB level 100 max.°
Relative frequency instability of the built-in reference generator max. ±5×10-7
Typical retuning time 2000 µs
Parameters of external reference generator input:
Frequency 10 MHz; 12,8 MHz
Level 0±3 dBm
Limits of allowable relative error of signal level measurement at external antenna input 3 dB, max.
Limits of allowable relative error of sine signal frequency measurement
When using internal reference generator ±5×10-7
When using external reference generator depends on generator parameters
Control interface RS-485
DC supply voltage 10 - 30 V
Power consumption 20 W, max.
Dimensions, max. 240×220×65 mm
Weight max. 1.8 kg
Operating temperature range 0°C … +50°C
Relative humidity at 25°С max. 98%
Maximum altitude above-sea level 4500 m
Degree of protection with pluggable connectors connected (rugged design) IP65

Digital Radio Receivers