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:
- Conversion of UHF and SHF signals to an intermediate frequency.
- Manual amplitude direction finding of radio emission sources.
ARC-KNV4 Frequency Down-Converter
Typical configuration:
- Remote converter module
- Handle
- Case
Features:
- Built-in directional antenna system
- Option to connect external antennas
- Delivered with ARGAMAK-M Measuring Digital Radio Receiver.
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 |