Atec DSAM-900B User Manual

JDSU DSAM-900B

w/ Deep Interleave

Product Specifications

Frequency

Range 4 to 1,000 MHz Accuracy ±10 ppm at 77°F (25°C) Tuning resolution Analog 10 KHz Digital 50 KHz Channel bandwidth Models ending in A, 8 MHz Models ending in B, 6 MHz

Level measurement, analog

Signal types CW, video and audio (NTSC, PAL, and SECAM) Range

(1)

Resolution 0.1 dB Resolution bandwidth 280 KHz Accuracy Carrier-to-Noise Input @ ≥ 6 dBmV

Level measurement, digital

Modulation types QPR, QPSK, QAM (DVB/ACTS) Range Resolution 0.1 dB Accuracy

Downstream QAM demodulation

Modulation type 64 and 256 QAM, ITU-T J.83 Annex A, B or C (selectable) Input range (lock range) from 55 to 1000 MHz BER MER Accuracy ±2 dB (typical) Range 256 QAM: 28 to 35 dB Accuracy ±2 dB (typical) EVM Accuracy ±0.5% (1.2% to 2.0%) ±1.0% (2.1% to 4.0%) ±1.4% (4.1% to 5.8%) Range 256 QAM: 1.1% to 2.4% Accuracy ±0.6% Symbol rate Annex A,

5.057 to 6.952 Msps (64 and 256 QAM) Annex B,

5.057 Msps (64 QAM) and 5.361 Msps (256 QAM) Annex C,

5.274 Msps (64 QAM) and 5.361 Msps (256 QAM)

Test Point Compensation (user editable)

Forward Path TPC Max 100 dB Total Forward External Loss (dB): 0 to 50 Forward Probe Loss (dB): 0 to 50 Reverse Path TPC Reverse Internal Loss (dB): 0 to 55 Reverse External Loss (dB): 0 to 55 Reverse Probe Loss (dB): 0 to 55 Reverse Telemetry Level (dBmV) 0 to 55 Reverse Sweep Insertion Level (dBmV) 0 to 55

(2)

±1.5 dB typical @ 25°C

30 to 45 dB ± 2 dB 45 to 48 dB ± 3 dB

(1)

(2)

(4)

(5)

Pre- and Post-FEC 10-4 to 10-9

(6)

±2.0 dB typical @ 25°C

(3)

Range 64 QAM: 21 to 35 dB

Range 64 QAM: 1.2% to 5.8%

Max 55 dB Total

–40 to +60 dBmV

–15 to +50 dBmV

Interfaces

RF 75 ohm, F81 or BNC option Max. sustained voltage 100 VAC, 140 VDC RS232 Standard via DB9 on charger module or optional direct cable Printer compatibility Epson and Citizen Ethernet RJ45, 10 base T, TCP/IP and UDP supported USB v1.1 host mode, 150 mA maximum slave (future firmware release)

Standards compliance

Shock and vibration IEC 60068 Drop EC 61010 Handle stress IEC 61010 Water resistance MIL-STD-810E Safety – emissions EN 55022 Safety – immunity EN 61000

General

Display 320 x 240, grayscale Selectable back light Language support (user interface and help system) English in all models No-charge second language option of Spanish, French, German, Japanese, Polish or Chinese Dimensions Model 900B:

4.75 x 9.75 x 3.25 in (12 x 25 x 8.25 cm) Weight Model 900B: 3 lb 4 oz (1.5 kg) Storage and operating temperature range 0 to 120°F; –20 to +50°C Power Li-Ion removable pack, Standard

Super Capacity Li-Ion removable pack, Optional Battery life Standard Li-Ion, 4 hours (typical) Super Capacity Li-Ion, 8 hours (typical) Charge time Standard Li-Ion, 6 hours (typical) Super Capacity Li-Ion, 12 hours (typical) Power supply input 90-264 VAC, 47-63 Hz

Upstream spectrum (ingress scan)

Frequency range Models ending in B, 4 to 45 MHz Sweep rate Less than 2 seconds Display scaling and range 5 and 10 dB/division; 6 vertical divisions Resolution bandwidth 280 kHz Range

(1)

–40 to 60 dBmV (typical)

Downstream spectrum (forward scan)

Frequency Range 40 to 1000 MHz Sweep rate Less than 2.5 seconds Display scaling and range 5 and 10 dB/division; 6 vertical divisions Resolution bandwidth 280 kHz Dwell 1 ms Span 50MHz or 10MHz zoom Range

(1)

–35 to 60 dBmV (typical)

Constellation

Modulation type 64 and 256 QAM Zoom capability Yes

Return QAM Generator (Option) Frequency Range Models ending in B: 5 to 55 MHz

Signal Level Range 8 to 58 dBmV Signal Modulation CW or 16 QAM Symbol Rates (Msps) 1.28, 2.56, 3.84, 5.12

(1) Total integrated power, detectable range (2) Accuracy for levels between –20 to 55 dBmV Additional uncertainty ±0.5 dB across –20°C to 50°C Additional uncertainty ±1.0 dB from 4 MHz to 15 MHz (3) Total integrated power, At 64 QAM (4)DSAM-900B with Deep Interleave can support up to (I,J) = (128, 4) interleave for ITU-T J.83 Annex B (5) Accuracy and behavior from 100 MHz to 1000 MHz for levels between –5 to 50 dBmV (typical) (6) The sum of the Internal, External and Probe Losses and the Telemetry level must be greater than or equal to 10.0 and less than or equal to 55.0