Измеритель уровня цифрового сигнала

3.5‘TFT color LCD display.Monitor the video.Analyze Digital channel (Power level, Constellation diagram, MER,BER and etc.).Analyze Analog channel Specifications: 1,3.5’’TFT color LCD display. 2,Monitor the video. 3,Analyze Digital channel (Power level, Constellation diagram, MER,BER and etc.). 4,Analyze Analog channel (LEVEL C/N and etc.). 5,Support all QAM modes (16QAM, 32QAM, 64QAM, 128QAM, 256QAM). 6,Support DVB-C/ITU-T J.83-Annex A/B/C. 7,Spectrum analysis. 8,Small, light, really portable. Specifications: A. Digital channels Measurement: Tuning range: from 5M 870MHz Tuning mode: by channels or by frequency Support: 16/32/64/128/256QAM Digital power: 30dBμV-120dBμV Accuracy: ±1.5dB Bandwidth: Adjustable MER (modulation error ratio) measurement range: 19 40dB for 64QAM Accuracy: ±2dB BER (bit error rate) Measured before RS decoding: Measurement range: 1.0E-2 to 1.0E-8 Symbol rate: 1MS/S-7MS/S Modulations type: 16/32/64/128/256QAM DVB-C/ITU-TJ.83-AnnexA/B/C B. Analogue channels Measurement: Frequency/Channel: Tuning range: from 5M 870MHz Tuning mode: by channels or by frequency Channel range: China standard channel and append Channel International Channel: Download and add as needed Resolution: 10KHz Bandwidth: 280kHz±50kHz Level measurement: Range: 25dBμV 120dBμV Accuracy: ±1.5 dB ( 0°C 40°C ) Resolution: 0.1dB Demodulate method: Peak value demodulate Input impedance: 75