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The DSAM3300 Digital Service Analysis Meter combines all important analog and digital measurement functions with overall testing capabilities for high-speed data and voice services. The DSAM is rugged and lightweight making it an excellent field measurement unit for triple play services. Specifications. Analog-Level Measurement. Signal types: CW, video, and audio (NTSC, PAL, and SECAM). Frequency range: 4 to 1,000 MHz. Accuracy: ±10 ppm at 25°C (77°F) 10 kHz tuning resolution. Measurement range: -40 to +60 dBmV (typical). Resolution: 0.1 dB. Resolution bandwidth 280 kHz Accuracy: ±1.5 dB typical at 25°C (77°F). Carrier-to-Noise. 30 to 45 dB ±2 dB, 45 to 48 dB ±3 dB, Input at >0 dBmV (up to 750 MHz), Input at >6 dBmV (750 - 1,000 MHz). Hum. Accuracy: Up to 5% hum: ±0.8%, From 5 to 10%: ±1.0%. Digital-Level Measurement. Modulation types: QPSK, QAM (DVB, ACTS). Range: -40 to +50 dBmV (typical). Resolution: 0.1 dB. Accuracy: ±2.0 dB typical at 25°C (77°F). Downstream-QAM Demodulation. Modulation type 64, 128, and 256 QAM, ITU-T J.83 (Annex A, B, or C selectable at time of order, factory installed hardware). Input range (lock range) -15 to +50 dBmV total integrated power from: 57-1000 MHz (42 MHz Diplexer 6 MHz Channel spacing), 83-1000 MHz (65 MHz Diplexer 6 MHz Channel spacing), 108-1000 MHz (85 MHz Diplexer 6 MHz Channel spacing), 58-1000 MHz (42 MHz Diplexer 8 MHz Channel spacing), 84-1000 MHz (65 MHz Diplexer 8 MHz Channel spacing), 109-1000 MHz (85 MHz Diplexer 8 MHz Channel spacing), Specifications are QAM signal center frequencies. 50 kHz tuning resolution. DOCSIS Testing. Support for operating in DOCSIS 1.0, 1.1, 2.0, or 3.0 modes. Compliant with CableLabs® specifications for DOCSIS 1.0, 1.1, 2.0, and 3.0. CableLabs-compliant BPI+ root-chained certificates pre-installed. EuroCableLabs® certificates available. Downstream Testing. Support for channel bonding of 8 downstream carriers. Throughput testing up to 304 Mbps (6 MHz carriers) and 400 Mbps (8 MHz carriers) Span: 10 or 50 MHz. Upstream Testing. Support for channel bonding of 4 upstream carriers. Throughput testing up to 120 Mbps. Upstream transmit range and diplexer crossover (DOCSIS modes only). 5 to 42 MHz, 42/88 MHz; min. downstream center frequency 91 MHz. 5 to 65 MHz 65/96 MHz; min. downstream center frequency 100 MHz. 5 to 85 MHz 85/111 MHz; min. downstream center frequency 111 MHz.
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