Tektronix Dma120 Modulation Analyzer Annex Digital Frequency 64 256qam 54 860 90
Product Attributes: brand=tektronix, model=dma120, sku=616293862616133, mpn=dma120
TEKTRONIX DMA120 Description
We offer multiple quantity price shipping discounts, email us if you are interested in larger quantities. 256QAM hours, typical battery charge time instrument off 4 hours, typical. Eu ecm directive 89 336eec en class a
Beyond this value, uncorrected errors pass through the decoder this is the value reported by estimated Ber see figure 2. All of our test equipment is backed with a full warranty and unbeatable customer support service. Other methods of payment are outlined through the on line checkout process.
The rs decoder is typically able to correct errors up to an input Ber of approximately over 1. The DMA120 series Ber measurement may be set for any period from 1 to 60 minutes. FCC CF 47, part 15, sub part b, class a.
Australian ecm framework as NS measurement results provide a clear picture of system performance, minimizing the need to re visit an installation site or make additional service calls. Ancillary enhancements include print screen any measurement or display mode screen can be directly printed via rs 232 interface up to 30 constellations or 100% other measurement results can be stored in internal memory with real time clock date stamp, measurement site name, operator name, and ambient temperature PC card paramecia input for 2 and 20 megabyte memory cards to store additional measurement results and or system channel tables user changeable, NIH battery to extend the operating day battery capacity indicator user selectable automatic power down features 64 and 256QAM analysis in service digital channel performance verification measurements at an affordable price measurements compliant with dB ESI standard etr290 troubleshooting aided by constellation, spectrum, and equalization display modes most measurements require only two keystrokes pass fail indication reduces training requirements for technicians new to digital signal measurements PC card paramecia slot for easy memory expansion small and light weight easy change battery specifications receiver frequency range channel frequency 54 to 860 mhz resolution bandwidths typical 135 khz, 6 mhz input impedance 75, nominal maximum input RF power 120 db v 60 DBMS ac volts 90 v peak distortion free dynamic range 40 db sensitivity. Meir indicates the ratio of average total signal power in the ideal constellation to average error power in the constellation as received by the DMA120 series. Service impairment will typically be observed at bit error rates greater than here is a link to our test equipment store.
The adjacent channel levels display compares the test channel average power to the average power in each of the two higher and two lower adjacent channels. Accuracy 64qam to 4. The DMA120 series measurement screen see figure 1 shows Meir vs.
Altitude operating up to 4, 600 m 15, 000 ft. Maximum 100% db v 40 DBMS. Certain orders may take longer for processing due to comprehensive final service inspections a shipment tracking numbers will be provided to inform buyers of their expected eta estimated time of arrival.
The system engineer or chief technician can determine the measurement result threshold values. Distribution impairments can be identified including noise and coherent interfere rs or modulator impairments such as I q imbalance or quadrature error. 83, annex b 64 and 256QAM includes carrying case accessories as listed above. Please contact us as it may be fresh inventory waiting to be listed or we'll be glad to find it for you at the best price possible and put up an listing for you.
Your payment is expected within 5 days after the offer close. Ice EFT burst immunity power dc input range 12 v, 2 a battery run time 2. Attenuation steps 5 db, typical attenuation range 35 db, typical vertical scale 10 db div, 10 to 90 db v, 50 to 30 DBMS, 100% to DBMS span settings 2 to 824 mhz fixed to 135 khz Rb flatness 1 db constellation sizes 64qam, 256QAM evaluation full constellation, quadrant, single point box adaptive equalizer number of taps 8 feed forward 8 feed back scale 10 to BC mask dB measurement modes signal level channel bandwidth 6 mhz level channel average power minimum 40 db v DBMS. 75 in depth 6 cm 2.
875 mambas minimum 40 db v DBMS mambas environmental temperature operating to 40 c. 1 db pass fail indication user adjustable threshold in service measurement noise measurement frequency out of channel adjacent channel level difference amplitude range 10 to db accuracy 256QAM 28 to 35 db. 25 in weight net 2. 9 accuracy content on this page requires a newer version of adobe flash player.
A user settable offset is available to accommodate probe loss. Technicians are conditioned to thinking of system headroom in terms of db carrier to noise or BC for Cos, ctn, or cross modulation. Average bit error rate Ber, before rs decoding range 64qam to the actual received symbol rate is also reported. We will attempt to ship your items within 24 hours after payment has been received.
We carry a large inventory of quality refurbished and used test equipment from all the major manufacturers. Universal set up parameters are part of a set up screen. Ecm compliance qualified per the following standards. User selectable time period 1 to 60 minutes number of periods comparable lb please check our huge inventory with savings of up to 80 off of retail on cat5 5e 6 LAN cable certifies and fiber optic outdo's, fusion splicers, CATV meters, fiber optic kits, sources, meters, tools, network analyzers and much more.
Ice RF field immunity. Although bit error rate Ber has been widely addressed as an important digital transmission figure of merit measurement, Meir provides a much earlier indication of transmission impairments. Digital transmission is new to most cable TV system technicians and so are measurements to verify performance. Quantification of digital transmission performance at any point in your system will greatly enhance technical management and decision making.
Ice eds immunity. Physical characteristics height 32 cm the DMA120 series provides the intelligence cable TV technicians need to efficiently install and maintain HF distribution plant using 64 or 256QAM transmission maximum 100% db v 40 DBMS. The signal level measurement screen plots signal levels vs. Essentially, simulated Gaussian noise is added to the input signal until a critical pre DEC Ber of is measured.
However, the calculation of error is different and is expressed as a percentage of the maximum voltage in the constellation at sampling times as received by the DMA120 series. The DMA120 series helps technicians to continue working by providing measurement pass fail indicators. Estimated noise margin indicates the headroom for digital channels and results are reported in db, similar to legacy analog measurements. This measurement may be used to check flatness across five channels or verify spectral purity of a qam modulator.
Measurement specific set up parameters are part of the individual measurement screens the display includes a bar graph which compares the values of the different taps against a dB template. Many countries impose their own customs, duties, tariffs, taxes, etc. 8 db, referenced to 25 c reference units selectable db v, DBMS, DBMS, DP pass fail indication user adjustable threshold channel power to noise channel bandwidth 6 mhz maximum ratio 40 db accuracy the typical system operating goal is to achieve a Ber of to get a real time shipping quote to your destination, enter your country and zip postal code information into the shipping calculator and get rate. Bars approaching or exceeding the template value indicate that there is noticeable system impairment detected at the test point.
Most measurement functions are no more than two menus deep. The DMA120 provides analysis of IT t j. Estimated average bit error rate Ber, after rs decoding user selectable time period 1 to 60 minutes number periods comparable 24 system availability statistics user selectable time period 1 to 60 minutes error ed seconds. Which includes fiber optic test and splicing tools, fusion splicers, outdraws, copper and fiber cable certifies, CATV test equipment, cable and antenna analyzers, network analyzers and much more.
Unpaid offers will be forfeited after 5 days of the offer close and the items will be re listed for sale. Contact test equipment store sales phone toll free we ship world wide. Severely error ed seconds pass fail indication user settable threshold estimated noise margin range 64qam to 12 db, 256QAM to 7 db accuracy constellation display mode digital modulation quality can be visually estimated by viewing the constellation of the transmitted signal see figure 4. The DMA120 series field tools are housed in a rugged, weather resistant package and are an easy to change NIH battery.
Operating convenience the DMA120 series uses a moisture and dust proof keypad. Working condition excellent condition refurbished calibrated yes warranty 90 day exchange TEKTRONIX DMA120 digital modulation analyzer affordable, portable, ready for cable system technicians digital channel 64 and 256QAM transmission performance verification measurements the DMA120 series digital modulation analyzers provide answers to nagging questions about how to test and verify performance of your digital plant. On items being shipped from a foreign country. Status indicators also help clarify measurement conditions the DMA120 series notes if its locking to the incoming qam signal and also if its locking to the rs decoder output.
The measurement results screen includes a bar graph comparing the test channel and adjacent channels power. Qualify system performance the built in digital demodulator makes possible in service measurements of modulation error ratio Meir error vector magnitude ecm estimated noise margin Ber before reed Solomon rs decoder estimated Ber after rs decoder with system availability statistics modulation error ratio Meir ESI etr290 indicates that Meir is the best overall figure of merit measurement to determine qam signal quality. Time, providing trend information. Time, providing a convenient display from which to make gain or attenuation adjustments or judge other variables that can impact signal level.
TEKTRONIX DMA120 Specifications
- brand: Tektronix
- model: Dma120
- sku: 616293862616133
- mpn: Dma120
- type: Money back or exchange (buyer's choice)
- paid by: Buyer
- policy: returns accepted
- time: 14 Days
Looking to buy TEKTRONIX DMA120? Prices: $99.00-$374.98 (3 offers).
- condition: New
- category: Business & Industrial > Electrical > Television Test Equipment
- availability: In Stock
- currency: USD
- type: Calculated
- handling: 1 days
- to: Worldwide
16 Ratings (98.7%)
- :) (07-29-15)
- A+ . Great seller. Prompt, honest and good service (07-28-15)
- ok.............................................................................. (07-29-15)
- excellent service (07-28-15)
- Nice item and quickly shipped. Thanks! (07-28-15)