QAM
a digital bitstream whose values are represented by adjustments in phase and amplitude of sinusoidal electromagnetic waves.
See Also: Quadrature Amplitude Modulation
- Applied Instruments, Inc.
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Signal Level Meter
XR-3W+
From satellite dish alignment, to UHF off-air antenna pointing, to cable TV MER measurements, the XR-3 is the meter for you! The XR-3 is the most capable meter offered by Applied Instruments. It's more durable than the popular Super Buddy meter, and has added features and performance. The XR-3's modular design with field swappable modules provides wide versatility to fit different measurement applications, including DBS satellite (i.e. Dish Network, DIRECTV, Bell TV, Shaw Direct), VSAT satellite...show more -
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Gateway
CODA-4780
Hitron Americas Technologies Inc.
The CODA-4780 has the capability to receive 5Gbps based on 2 x OFDM + 32 QAM over its DOCSIS 3.1 interface. The integrated Wi-Fi 3×3 2.4 GHz 802.11n and 4×4 5 GHz 802.11ac Wave 2 dual band MU-MIMO Access Point significantly improves customer experience extending range and coverage with blazing speeds. For wired clients, the four Gigabit Ethernet ports offer ultra-fast connections. Its switchable upstream (5~85/5~204MHz) offers the possibility of flexible integration to existing networks.
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Digiair PRO CATV
Perfect for digital CATV installations (QAM).• Handy spectrum-analyzer for frequency 45-860MHz.• Easy digital readout of MER, BER and Constellation diagram.• QAM16, QAM32, QAM64, QAM128 & QAM256.• Analog signal level reads out in dBuV, dBmV and dBm with maxholdfunction.• Presents one channel readout with high resolution or six channelssimultaneously or the complete spectrum.• Very sensitive, easy to maximize weak and strong signals.• Built in beeper (pitch tone) and maxhold function.• Tilt function.• Replacable, rechargeable battery (8x AA 1200mA).• Power supply and car-charger enclosed.• Rubber carrying-case enclosed.
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PXIe-5672, 2.7 GHz, 20 MHz Bandwidth Digital Upconverter Included, PXI Vector Signal Generator
779900-01
2.7 GHz, 20 MHz Bandwidth Digital Upconverter Included, PXI Vector Signal Generator —The PXIe‑5672 features quadrature digital upconversion, which reduces waveform download and signal generation time. It is a general-purpose vector signal generator that can generate standard modulation formats such as AM, FM, PM, ASK, FSK, MSK, GMSK, PSK, QPSK, PAM, and QAM. The PXIe‑5672 delivers a highly flexible and powerful solution for scientific research, consumer electronics, communications, aerospace/def...show more -
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PXI-5670, 2.7 GHz PXI Vector Signal Generator
778768-02
2.7 GHz PXI Vector Signal Generator—The PXI‑5670 has the power and flexibility you need for product development applications from design through manufacturing. It can generate custom and standard modulation formats such as AM, FM, PM, ASK, FSK, PSK, MSK, and QAM. The PXI‑5670 delivers a highly flexible and powerful solution for scientific research, consumer electronics, communications, aerospace/defense, and semiconductor test applications as well as for emerging areas including software defined radio, radio frequency identification (RFID), and wireless sensor networks.
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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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Gateway
CODA-4580
Hitron Americas Technologies Inc.
The CODA-4580 has the capability to receive 5Gbps based on 2 x OFDM + 32 QAM over its DOCSIS 3.1 interface. The integrated Wi-Fi 3×3 2.4 GHz 802.11n and 4×4 5 GHz 802.11ac Wave 2 dual band MU-MIMO Access Point significantly improves customer experience extending range and coverage with blazing speeds. For wired clients, the four Gigabit Ethernet ports offer ultra-fast connections. The CODA-4580 supports full IPv4 routing features, as well as full support for IPv6 routing and firewall. The CODA-4580 supports both DSLite as well as 6RD for different IPv6 deployment and transition strategies.
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Power Sensors
RTP5540
Providing the highest video bandwidth and fastest rise times, the 50 MHz to 40 GHz Power Sensor by Boonton is the ideal instrument for fast, accurate and reliable RF power measurements. This module is ideal for many different applications including Crest Factor and Peak to Average Power Ratio (PAPR) measurements for Power Amplifiers and RF components; Telecommunication & Satellite signals: W-CDMA, QAM, OFDM, LTE-FDD and LTE-TDD; WiFi signals: 802.11ac and legacy 802.11 a/g/n/b; RF and Microw...show more -
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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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PXI-5671, 2.7 GHz RF Vector Signal Generators
779079-04
2.7 GHz, Digital Upconverter Included, PXI Vector Signal Generator—The PXI‑5671 features quadrature digital upconversion, which reduces waveform download and signal generation time. It is a general-purpose vector signal generator that can generate standard modulation formats such as AM, FM, PM, ASK, FSK, MSK, GMSK, PSK, QPSK, PAM, and QAM. The PXIe‑5671 delivers a highly flexible and powerful solution for scientific research, consumer electronics, communications, aerospace/defense, and semicondu...show more -
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Power Sensors
RTP5518
Providing the highest video bandwidth and fastest rise times, the 50 MHz to 18 GHz Power Sensor by Boonton is the ideal instrument for fast, accurate and reliable RF power measurements. This module is ideal for many different applications including Crest Factor and Peak to Average Power Ratio (PAPR) measurements for Power Amplifiers and RF components; Telecommunication & Satellite signals: W-CDMA, QAM, OFDM, LTE-FDD and LTE-TDD; WiFi signals: 802.11ac and legacy 802.11 a/g/n/b; RF and Microw...show more -
product
Gateway
CODA-4789
Hitron Americas Technologies Inc.
The CODA-4789 has the capability to receive 5Gbps based on 2 x OFDM + 32 QAM over its DOCSIS 3.1 interface. The integrated Wi-Fi 3×3 2.4 GHz 802.11n and 4×4 5 GHz 802.11ac Wave 2 dual band MU-MIMO Access Point significantly improves customer experience extending range and coverage with blazing speeds. For wired clients, the four Gigabit Ethernet ports offer ultra-fast connections. MoCA 2.0 bonding provides a near-Gigabit wired backbone in the customer’s home for Wi-Fi extension. Its switchable upstream (5~85/5~204MHz) offers the possibility of flexible integration to existing networks.
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Satellite Signal Level Meters
Modular design with field swappable modules providing versatility for different measurement applications, including DBS satellite, VSAT satellite, VHF/UHF off-air, and CATV (QAM and analog).
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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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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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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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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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Test Solutions
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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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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PXI-5670 , 2.7 GHz RF Vector Signal Generators
778768-04
2.7 GHz PXI Vector Signal Generator—The PXI‑5670 has the power and flexibility you need for product development applications from design through manufacturing. It can generate custom and standard modulation formats such as AM, FM, PM, ASK, FSK, PSK, MSK, and QAM. The PXI‑5670 delivers a highly flexible and powerful solution for scientific research, consumer electronics, communications, aerospace/defense, and semiconductor test applications as well as for emerging areas including software defined radio, radio frequency identification (RFID), and wireless sensor networks.
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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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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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PXIe-5673E, 6.6 GHz PXI Vector Signal Generator
781263-01
6.6 GHz PXI Vector Signal Generator—The PXIe‑5673E is a wide-bandwidth module that, when combined with the appropriate software, can generate a variety of signals. With the Modulation Toolkit for LabVIEW, it can generate different waveforms including AM, FM, CPM, ASK, FSK, MSK, PSK, QAM (4‑, 16‑, 64‑, and 256‑QAM), multitone signals, arbitrary waveforms, and many others. In addition, you can combine these vector signal generators with standard-specific software to generate signals for GPS, GSM/ EDGE/WCDMA, WLAN, WiMAX, DVB‑C/H/C, ISDB‑T, ZigBee, and others. With PXIe‑5673E stream‑from‑disk capabilities, you can generate continuous waveforms that are up to several terabytes in length.
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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 ...show more -
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PXIe-5672, 2.7 GHz, 20 MHz Bandwidth Digital Upconverter Included, PXI Vector Signal Generator
779900-03
2.7 GHz, 20 MHz Bandwidth Digital Upconverter Included, PXI Vector Signal Generator —The PXIe‑5672 features quadrature digital upconversion, which reduces waveform download and signal generation time. It is a general-purpose vector signal generator that can generate standard modulation formats such as AM, FM, PM, ASK, FSK, MSK, GMSK, PSK, QPSK, PAM, and QAM. The PXIe‑5672 delivers a highly flexible and powerful solution for scientific research, consumer electronics, communications, aerospace/def...show more -
product
Gateway
CODA-4680
Hitron Americas Technologies Inc.
The CODA-4680 has the capability to receive 5Gbps based on 2 x OFDM + 32 QAM over its DOCSIS 3.1 interface. The integrated Wi-Fi 3×3 2.4 GHz 802.11n and 4×4 5 GHz 802.11ac Wave 2 dual band MU-MIMO Access Point significantly improves customer experience extending range and coverage with blazing speeds. For wired clients, the four Gigabit Ethernet ports offer ultra-fast connections. Its switchable upstream (5~42/5~85MHz) offers the possibility of flexible integration to existing networks.
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Gateway
CODA-4782
Hitron Americas Technologies Inc.
The CODA-4782 has the capability to receive 5Gbps based on 2 x OFDM + 32 QAM over its DOCSIS 3.1 interface. The integrated Wi-Fi 3×3 2.4 GHz 802.11n and 4×4 5 GHz 802.11ac Wave 2 dual band MU-MIMO Access Point significantly improves customer experience extending range and coverage with blazing speeds. For wired clients, the four Gigabit Ethernet ports offer ultra-fast connections. MoCA 2.0 bonding provides a near-Gigabit wired backbone in the customer’s home for Wi-Fi extension. Its switchable upstream (5~85/5~204MHz)offers the possibility of flexible integration to existing networks.
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Gateway
CODA-4689
Hitron Americas Technologies Inc.
The CODA-4689 has the capability to receive 5Gbps based on 2 x OFDM + 32 QAM over its DOCSIS 3.1 interface. The integrated Wi-Fi 3×3 2.4 GHz 802.11n and 4×4 5 GHz 802.11ac Wave 2 dual band MU-MIMO Access Point significantly improves customer experience extending range and coverage with blazing speeds. For wired clients, the four Gigabit Ethernet ports offer ultra-fast connections. MoCA 2.0 bonding provides a near-Gigabit wired backbone in the customer’s home for Wi-Fi extension. Its switchable u...show more -
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Video Transcoding
Blonder Tongue Laboratories, Inc.
Have a video coming in on QAM that needs to go out on IP? Or VSB channels that need to be turned into QAM or IP outputs? Our Transcoders will definitely fit the bill.
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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
