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QAM
a digital bitstream whose values are represented by adjustments in phase and amplitude of sinusoidal electromagnetic waves.
See Also: Quadrature Amplitude Modulation
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IP QAM
SFT-IPSR3
Hangzhou Softel Optic Co., Ltd.
SFT-IPSR33 is a 2RU rack-mount IPTV streamer server. It is optimal for small and medium internet service providers to initial setup in large network.
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IP QAM
SHP200D
Hangzhou Softel Optic Co., Ltd.
SHP200D 10G IP QAM processor is an all-in-one device developed by SOFTEL which integrates multiplexer, scrambler and modulator in one body with maximum 112 DVB-C QAM channels output. With 10G switch built in, it can process 10G optical signal to work as a traditional QAM modulator. This processor is equipped with 2 card slots to load 32ch or 48ch or 64ch QAM card. Its high density helps operators to save cost to the most extent.
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IP QAM
SFT3332 (-D)
Hangzhou Softel Optic Co., Ltd.
SFT3332 (-D) IP QAM modulator is Mux-scrambling-modulating all-in-one device developed by SOFTEL. It has 32 multiplexing channels, 32 scrambling channels and 32 QAM (DVB-C) modulating channels, and supports maximum 1024 IP input through the GE port and 32 non-adjacent carriers (50MHz~960MHz) output through the RF output interface. The device is characterized with dual RF output ports which broaden the bandwidth for QAM carriers.
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QAM Compass
ingress detection and mitigationhome certification & installation integrityqualify and QC cable drop and installation wiringtroubleshoot and fix repeat service call problemsqualify new cabinet builds and MDU enclosure wiringbuilt-in multi-frequency antenna provides ease-of-usecontractor work verification evaluate new property wiring
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QAM Shadow
ComSonics' QAM Shadow is targeted for in-building leakage detection and ingress mitigation when portability and ease-of-use is most important.contractor work verificationevaluate new property wiringingress detection and mitigationextremely easy to use with one-button operationDOCSIS 3.1 ready to future proof your investmentbuilt-in near-field antenna eliminates the need for external antennas
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QAM And PCM Analyzers
GAOTek provides a wide range of high performance and inexpensive QAM/PCM analyzers. Quadrature amplitude modulation (QAM) and pulse code modulation (PCM) analyzers are convenient instruments with top to bottom estimations and adaptable setups. Additionally, these devices have integrated functions of analog signal generators/receivers, BERT, signaling generators/receivers, selective level meters, ring generators/ identifications, dialers, DC loop circuits (ICT, OGT), balanced bridges and reflecting bridges into solitary instruments. These analyzers are ideal for installing and maintaining digital and analog networks.
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QAM DVB Analyzer
Wuhan Sunma Technology Co., Ltd.
QAM Analyzer designed for both installation and maintenance of HFC system. Measure and display main parameters in DVB testing (channel power, MER, BER, Constellation Diagram), signal level on any frequency, amplitude of the carriers singly in the whole system range, and etc. The Analog, QAM and FM channel can be set and tested efficiently; it also supports HUM measurement, C/N measurement, voltmeter function, spectrum analysis and data logging. Also it is easy for user to obtain a report of test data via PC or printer through toolbox software.
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QAM Signal Analyzer
1720/1730
he very excellent signal analyzers of choice for field testing of QAM digital signals on your CABLE-TV SYSTEM.They demodulate and accurately measure the QAM signals carried through the cable system.They provide the measurement power the field technicians need for the latest 64-256QAM digital technologies and are very simple to use, measuring SNR(MER), EVM, Pre-BER, Post-BER, Constellation Diagram.
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Quad QAM Modulator With IP Input
DTE-3114
DekTec's standalone power-over-ethernet enabled Quad QAM Modulator with IP Input, with advanced time-reconstruction algorithm to overcome IP jitter.
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Handheld Signal Level Meter
CT-DLM870D
The CT-DLM870D is a hand held signal level meter capable of reading analog, digital QAM and digital off air signal levels as well as Carrier to Noise, Bit Error Rate (BER), Modulation Error Rate (MER) and tilt.
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Home Certification Meter
360 DSP
The 360 DSP is a next generation fulfillment meter specifically tailored for installation and troubleshooting. The 360 DSP is part of a system consisting of the meter, ViewPoint software, and means for acquiring information from the Cable System's Workforce Management application.Upstream Return Spectrum Analysis (4 to 110 MHz). Level Mode. C/N Measurement. QAM mode (MER/BER/Constellation).
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IP Converters
SMPTE-2022 compliant standalone solutions for conversion between IP and "traditional" DTV signals such as ASI and QAM. These IP converters are hardware-based, providing low latency and zero-jitter transmission of IP signals.
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IP GAM
SFT 3316
Hangzhou Softel Optic Co., Ltd.
SFT 3316 IP Mux-Scrambling modulator is the latest generational Mux-scrambling-modulating all-in-one device developed by Softel. It has 1 6 multiplexing channels, 16 scrambling channels and 16 QAM (DVB-C) modulating channels, and supports maximum 1024 IP input through the GE port and 16 non-adjacent carriers (50MHz~960MHz) output through the RF output interface. The device is also characterized with high integrated level, high performance and low cost. This is very adaptable to newly generation CATV broadcasting system.
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Mobile Problem Locator
MPL
The ComSonics Mobile Problem Locator (MPL) application is a smart phone application designed to provide cable technicians with a simple tool to help maintain their network. Targeted for use with ComSonics' QAM Compass via Bluetooth connection to provide contractor work verification.
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Modulator
SFT3332
Hangzhou Softel Optic Co., Ltd.
SFT3332 IP Mux-Scrambling modulator is the latest generational Mux-scrambling-modulating all-in-one device developed by SOFTEL. It has 32 multiplexing channels, 32 scrambling channels and 32 QAM (DVB-C) modulating channels, and supports maximum 1024 IP input through the GE port and 32 non-adjacent carriers (50MHz~960MHz) output through the RF output interface. The device is also characterized with high integrated level, high performance and low cost. This is very adaptable to newly generation CATV broadcasting system.
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Modulator
SFT3301
Hangzhou Softel Optic Co., Ltd.
SFT3301 QAM modulator is a high performance modulator developed according to DVB-C (EN300429) standard which is the standard of the European broadband satellite telecommunication. It provides a more powerful receiving ability of various TS come from encoder, multiplexer, DVB gateway, scrambler and video server. In addition, the modulator also has the function of outputting RF, and simultaneously disposes the TS by RS encoding, convolution interlacing and QAM modulating. This device supports local and remote control through NMS software. For the field scope, it can be used for Broadcasting, Interactive Services, News Gathering and other Broadband satellite applications.
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Multi-standard Cable/terrestrial Modulator For PCI
DTA-115
DekTec's PCI modulator for most QAM-, OFDM- and VSB-based modulation standards. The DTA-115 has a programmable output level with perfect signal quality.
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Multi-standard Cable/terrestrial Modulator For PCIe
DTA-2111
DekTec's PCIe modulator for most QAM-, OFDM- and VSB-based modulation standards. The DTA-2111 has a programmable output level with excellent signal quality due to digital upconversion.
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MUX-scrambling Modulator
SFT3316
Hangzhou Softel Optic Co., Ltd.
SFT3316 IP Mux-Scrambling modulator is the latest generational Mux-scrambling-modulating all-in-one device developed by SOFTEL. It has 16 multiplexing channels, 16 scrambling channels and 16 QAM (DVB-C) modulating channels, and supports maximum 1024 IP input through the GE port and 16 non-adjacent carriers (50MHz~960MHz) output through the RF output interface. The device is also characterized with high integrated level, high performance and low cost. This is very adaptable to newly generation CATV broadcasting system.
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Mux-scrambling Modulator 8 Ch
SFT3394C
Hangzhou Softel Optic Co., Ltd.
SFT3394C is a high performance and cost-effective QAM modulator designed by Softel. It has 16 DVB-S/S2 FTA tuner input to 16 non-adjacent carrier output with multiplexing, scrambling and QAM modulating included. It also supports maximum 512 IP input port and one IP (MPTS) output through GE1 and TS input for re-mux through 2 ASI ports. SFT3394C is also characterized with high integrated level, high performance and low cost. It supports dual power supply (optional). This is very adaptable to newly generation CATV broadcasting system.
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Noise Source
MNS-1
Matrix Test Equipment Incorporated
The MNS-1 is a shaped noise source that can be used toemulate 2 bands of digital carriers. While it does not havethe necessary attributes to generate a constellation, it doesmimic the loading of QAM carriers. The MNS-2 featuresremotely controllable 6 MHz wide notch filters to allowintroducing a QAM carrier capable of generating a constellationand enabling measurement of Modulation Error Ratio (MER) andBit Error Rate (BER).
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Non-RMS Responding Power Detectors
Recognized as the pioneer and leader in RF detectors, Analog Devices offers a broad portfolio of high performance logarithmic amplifiers and TruPwr™ rms detectors. ADI logarithmic amplifiers measure signals up to 100 dB dynamic range, from dc to microwave, and accuracies of ±0.2 dB, and are well-suited for both RSSI and transmit power level detection. The TruPwr rms detectors address the challenge of measuring complex waveforms found in spread spectrum CDMA/W-CDMA and higher order QAM modulation systems and provide an accurately scaled dc voltage, which is the rms equivalent of the input waveform.
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Off-Air
AIRCASTER
Blonder Tongue Laboratories, Inc.
The Aircaster(R) AQT8 Series enables custom IP and/or QAM output channel lineups from up to 8 off-air ATSC 1.0 or QAM frequencies.
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Other CATV Meters
Wuhan Sunma Technology Co., Ltd.
SunmaFiber provide all kinds of CATV meters, such as Signal Level Meter, QAM Analyzer, Spectrum Analyzer, DVB/DVC/DVT Analyzer and other TV testers. also you can find other more equipment in CATV / Broadcasting fileds, such as Three Frequency Points, HFC Return Path Signal Generator, Return Path Signal Generator, Digital RF Signal Generator and so on.
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8VSB/QAM And ASI Analysis Probe For USB-2
DTU-236A
DekTec's USB-2 hardware-based analyzer for 8VSB and QAM. Equipped with advanced RF measurement options and designed to operate USB powered, this is a very convenient tool for analysis in the field.
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Analog TV Analyzer
BT-QAM-PRO
Blonder Tongue Laboratories, Inc.
The BT-QAM-PRO is an economical feature-packed test instrument for analyzing CATV QAM and Broadcast 8VSB digital channels, as well as NTSC analog channels. This compact instrument is designed with field service technicians in mind and provides many of the features that are typically only found in many higher-priced units. The BT-QAM-PRO comes complete with a soft water-resistant case and a micro USB charging/PC cable.
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Cable Expert
AT/CX/CM Series
The VeEX® AT/CX/CM series are next generation test solutions designed for analog and digital cable TV networks supporting VoIP, WiFi, and Internet service. Analog and Digital SLM, ingress noise sweep, deep interleave support, and QAM constellation analysis are among many standard features. Enhanced optional features include QAM16/64/128 Upstream Generation (USG), Reverse Path QAM Analysis, and DOCSIS 2.0/DOCSIS 3.0 Cable Modem emulation. A high capacity LiIon battery pack provides extended autonomy for a full day use with only a single charge.
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Cable TV analysers
Specific field meters for CATV, QAM, DOCSIS and EuroDOCSIS 3.0. Its rugged construction ensures a long lifetime.
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CATV Meters & Instruments
GAOTek offers high quality, affordable CATV meters and testers to industry engineers. These instruments are used by professionals to automatically or manually test, measure, and maintain a wide collection of systems and channels. Our products are portable and durable to ensure long operational use during everyday field use by CATV technicians. Additionally, we offer QAM analyzers, PCM channel analyzers and TDR cable fault locators.
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Function Generators
Respective dual channels function/arbitrary waveform generator. Sine wave output up to 160MHz, full-band resolution of 1μHz. Pulse waveform up to 50MHz (or 40MHz), adjustable time of rising, falling and duty ratio. Sampling rate of 500MSa/s and vertical resolution of 16bit. 6-bit high-precision frequency meter compatible with TTL level signal. Arbitrary wave storage of 8~32M points, 7GB non-volatile waveform storage. Multi modulation function::AM,FM,PM, ASK,FSK,PSK, BPSK, QPSK,OSK,PWM, QAM, SUM . 16bit digital arbitrary wave (TTL level) DARB. 16th Harmonic Generation Function. Protocol output: I2C, SPI, UART (TTL level). 8 Inch high-resolution TFT color LCD,WVGA(800×480). Standard interface: USB Host, USB Device, LAN, 10MHz clock source input/output. Frequency sweep and burst output. Easy-to-use multi-functional knob and numeric keypad
