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Modulation
the varying of amplitude, frequency, or phase.
See Also: Optical Modulation, Modulation Analysis, Modulation Analyzers, Modulation Meters, MER
- TEAM SOLUTIONS, INC.
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USB Digital Storage Oscilloscope, 1GS/s, 200MHz BW, 10K/channel
TS2202E
USB powered 2 channels (stackable up to 12 channels) 1 GS/s real-time sampling 200 MHz bandwidth 10K (TS2202)/64M (TS2212) points per channel Vertical offset adjustable Edge, External , Width, Video/TV Trigger B-Trigger, Delay, Logic, Runt, Serial Bus, Setup/Hold, Slew, Timeout Trigger (TS22x2A Only) LF reject, HF reject, Noise reject RUN/STOP hardware button Export data to WORD, EXCEL, TEXT, HTML, MATLAB etc. Data Logger (HD storage) Embedded 2-channels FG with Modulation, Sweep, Burst function
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(≤ 3.0GHz) DFB Light Source (ITU-T)
DFBL-0300
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai DFBL-0300 series is a set of high linearity DFB CW Light Source for modulation bandwidth <3GHz, mainly applied to optical accessory and fiber-optic communication equipment testing, modulation bandwidth <3GHz simulation, digital signal transmission R&D and application.
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Acoustic Modem Option for Control Module
Gavia AUVs can be fitted with the Teledyne Benthos ATM-900 Acoustic Modem. The ATM-900 Series Acoustic Telemetry Modem is the most advanced, multipath and noise tolerant, modem available. They are designed to meet both the high data rate requirements of commercial users, and the higher reliability, lower data rate requirements of the military. The modems employ two modulation techniques: phase shift keying (PSK), which provides the highest bit rate, and multiple frequency shift keying (MFSK), which provides reliability in a multipath environment, or when the modems are required to operate in a low signal-to-noise (SNR) environment. The ATM-910 Series can transmit data using PSK modulation for reception by a Gavia Modem Deckbox, but receives data using MFSK modulation only. MFSK modulation is a spread spectrum modulation process that transmits multiple tones simultaneously.
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Signal Generators
Whether the BPSG generators with their precisely generated RF signals for testing EMC shielding and EMI/RFI measurements, or the brand new SPECTRAN V6 VSG vector signal generators with a frequency range of 10 MHz - 6 GHz and a large number of modulation types, the Aaronia signal generators impress with their quality and price.
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Optical Modulation Analyzer
Signaling has migrated from simple on-off keying to complex modulation formats such as DP-QPSK and PM-16QAM. Advanced test tools are required to test the latest communication systems for 100G, 400G, 1Tb/s and beyond. Tektronix is the only test and measurement vendor that can offer a complete coherent optical test system from signal generation, to modulation, acquisition, and analysis.
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PXIe-5663E, 6.6 GHz PXI Vector Signal Analyzer
781259-01
6.6 GHz PXI Vector Signal Analyzer - The PXIe‑5663E offers wide instantaneous bandwidth and supports RF list mode, which increases multiband measurement speed with fast and deterministic changes in configuration. You can use a PXIe‑5663E as either a spectrum analyzer or vector signal analyzer, and you can use it with the Modulation Toolkit to analyze custom and standard modulation formats. The PXIe‑5663E can perform measurements for a broad range of communications standards such as GSM, EDGE, WCDMA, WiMAX, LTE, Bluetooth, WLAN, DVB‑C/H/T, ATSC, and MediaFLO. Because all measurements are software defined, you can reconfigure the measurements using standard-specific toolkits. With these toolkits, the PXIe‑5663E provides a low-cost solution to high-performance RF measurements.The PXIe-5663E comprises the following modules:• PXIe-5601 RF Signal Downconverter• PXIe-5622 IF Digitizer• PXIe-5652 RF Analog Signal GeneratorThere is no physical device named "PXIe-5663E".
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PXIe-5663E, 6.6 GHz PXI Vector Signal Analyzer
781339-04
6.6 GHz PXI Vector Signal Analyzer - The PXIe‑5663E offers wide instantaneous bandwidth and supports RF list mode, which increases multiband measurement speed with fast and deterministic changes in configuration. You can use a PXIe‑5663E as either a spectrum analyzer or vector signal analyzer, and you can use it with the Modulation Toolkit to analyze custom and standard modulation formats. The PXIe‑5663E can perform measurements for a broad range of communications standards such as GSM, EDGE, WCDMA, WiMAX, LTE, Bluetooth, WLAN, DVB‑C/H/T, ATSC, and MediaFLO. Because all measurements are software defined, you can reconfigure the measurements using standard-specific toolkits. With these toolkits, the PXIe‑5663E provides a low-cost solution to high-performance RF measurements.The PXIe-5663E comprises the following modules:• PXIe-5601 RF Signal Downconverter• PXIe-5622 IF Digitizer• PXIe-5652 RF Analog Signal GeneratorThere is no physical device named "PXIe-5663E".
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Mid-Range Fiber Stretcher
PZ3
The PZ3 is the mid-range member of our family of fiber stretchers. It is a fiber wound piezoelectric element for use in a wide range of optical interferometric measurement and sensing system applications. Typical uses include open loop demodulation, sensor simulation, variable optical delay, general purpose fiber interferometry and large angle modulation of interferometric phase.
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Optical Modulation Analyzer and High-speed Digitizer Test Solution
M8290A
The M8290A is a flexible solution platform for 400G coherent component and transmitter test. It incorporates a 92 GSa/s modular optical modulation analyzer and a 92 GSa/s 4-channel electrical digitizer. Besides these modules an additional arbitrary waveform generator module up to 92 GSa/s, such as the M8196A, can be added to the same AXIe chassis. This setup results in a compact and flexible coherent test solution that can be used together with additional specialized solution software for Integrated Coherent Receiver (ICR) and Analog Coherent Optical (ACO) module characterization.
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4-Band SAT-IF & CATV Overlay Direct Modulated Optical Transmitter
HDS-55A ( 47~862 & 950~5500MHz )
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HDS-55A series 1550nm wide band micro-wave internal modulation optical transmitter, HDS-55A's working bandwidth covering range is 47~862 & 950~5500MHz. It can transmit multi (stacker) 4-way SAT-IF signal and CATV signal by a fiber, to realize one satellite-four polarization-4 way SAT-IF signal of 950~5500MHz (or different satellite 4 way SAT-IF signal), and 47~862 MHz CATV signal, all replacement a fiber to transmit. Users can simultaneously receive all full TV contents of satellite video carried and CATV's analog digital TV. It can provide high quality satellite TV and CATV service up to 3000 SDTV or 600 HDTV channel.
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Function Generators
Waveform : Sine, Triangle, Square, Pulse, Sawtooth, Ramp 0.2Hz-150MHz EXT Frequency Counter(Option : 1:6 GHz or 2.7GHz) Self made insert ASIC Function : Total, RPM, Period, LPF, COUPL(AC/DC), ATT(X10) Fast,High-Resolution, 8Digits LED display Internal or External AM,FM Modulation Internal or External Burst and Linear Sweep Countrol from 1 : 1 to 100:1 TTL/CMOS Leveled Square Wave Output Maximum Attenuation of 20 dB cna be obtained Output impedance : 50 INPUT SENSITMTYKHz Range : 100mVms, MHz Range : 300mVms SWEEP WIDTH : Variable from 1:1 -100:1 RATE : 0.5Hz - 50Hz(20ms-2s) INTERNAL : Linear Bilt-in 5digits Green LED display
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PXI-5651, 3.3 GHz RF Signal Generator
779670-01
3.3 GHz PXI RF Analog Signal Generator—The PXI‑5651 features continuous-wave generation capabilities with FM, 2‑FSK, or OOK modulation. It uses direct digital synthesis (DDS) for high-resolution frequency hopping or phase-continuous sweeping for fixture and device characterization applications. The PXI‑5651 is ideal for clocking nonstandard sample rates, such as WCDMA signals at baseband or intermediate frequency (IF). With these versatile signal generators, you can perform analog and digital modulation through the onboard DDS circuit, which gives you frequency modulation and frequency-shift keying for applications such as bit error rate test, antenna testing, or even keyless entry. You can also perform amplitude modulation using on-off keying.
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MFI Michelson Fiber Interferometer
OPTIPHASE , a leading supplier of ultra-high performance interferometric systems, offers Fiber Interferometers for use in precision test and measurement instrumentation as well as fiber sensing systems. These interferometers are driven by our own PZ1 Low-profile Fiber Stretcher with enhanced modulation, through a front panel BNC connector. Michelson and Mach-Zehnder interferometers are available in wavelengths from 1064 to 1550 nm. Each interferometer has a “zero meter” path mismatch which provides flexibility to change the delay length to match varying test applications. The standard length shipped is 50 meters. We also build custom interferometers.
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Satellite TV External Modulation Optical Transmitter
HES-26S ( 950~2600MHz )
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai 1550nm satellite TV external modulated optical transmitter HES-26S, adopts external modulated technology, no laser chirp, very low dispersion distortion, high extinction ratio. It applies to long distance, high quality network application. It can transmit 950~2600MHz satellite SAT-IF signal through one fiber.
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Arbitrary Function Generator PXI Card
GX1200 Series
The GX1200 and GX1201 are high performance, single-channel PXI arbitrary waveform generators that combine a function generator, arbitrary waveform synthesizer, programmable sequencer, pulse generator, and modulation generator in one instrument. The GX1200 Series delivers all this at a lower cost than comparable benchtop or VXI-based instruments.
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Phase Modulated Driver
The Phase Modulation Capable RF Driver / Stabilizer is an eight channel, two phase RF driver intended to drive devices such as the Harris H-401. The driver provides both amplitude and phase modulation capabilities in a single unit. The device can be operated in driver mode where the operator has full control over amplitude, frequency, and phase, or in stabilizer mode where the driver automatically adjusts the operating parameters based on optical feedback from an optical pick-off point.
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Arbitrary Generator - 2 Channel, 20 MHz
OTP2-Modul-Nr131
The 33500B Series Trueform Function / Arbitrary Waveform Generators offer a variety of features not found anywhere else - features to help you speed up your tests and complete your project faster.The function / arbitrary signal generators of the 33500B series offer the standard signals and standard signals and functions, such as modulation, sweep and burst. But they also have features that give you the skills and flexibility you need to get your job done quickly, no matter how complex it is. For example, an intuitive front panel user interface can be relearned quickly and easily if your attention was focused elsewhere. And that is just the beginning.
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32 Channel Driver
The MultiChannel RF Driver is a 32 channel signal generator / amplifier intended to drive multchannel acousto-optic cells such as the Harris H-601. The driver can be operated either as an RF amplifier, providing 32dB of gain or as a high power signal generator making use of a dedicated 1GSPS, 14bit digital synthesizer on each channel. Modulation can be performed through the use of the internal source, external global input, external individual input, or programmable 16K sample RAM lookup table.
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Turnable Laser
CoBrite DX Series
It makes this instrument an ideal choice for demanding coherent applications and advanced modulation formats. It’s competitive price still allows its usage for general purpose applications with lower technical requirements.
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Up-Converter for Radio Amateurs
. Internal filters provide high spurious rejection and image rejection. Due to low phase noise and high frequency stability of the local oscillator at 3000 MHz, the up converter is suitable for analog and digital communication systems.Typical applications are Multichannel Multipoint Distribution Systems (MMDS) using QPSK modulation and DVB?T or DVB?S systems. The output power of 20 mW can be increased to several watts by the use of an additional power amplifier.
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47~2600MHz Satellite TV & Digital TV 1550nm Externally Modulated Optical Transmitter
HES-26D
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HES-26D series 1550nm external modulation optical transmitter can transmit 47~2600MHz analogue signal and digital signal via one single fiber by frequency division multiplexing. It is compatible with any FTTx PON technology, and provides a complete set of high quality low cost fiber trunk transmission and fiber to the building (FTTB), fiber to the house (FTTH) solution for the direct broadcast satellite TV (DBS) and cable analogue TV (CATV) fusion.
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PXIe-5673E, 6.6 GHz PXI Vector Signal Generator
781262-02
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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PXIe-5663E, 6.6 GHz PXI Vector Signal Analyzer
781339-03
6.6 GHz PXI Vector Signal Analyzer - The PXIe‑5663E offers wide instantaneous bandwidth and supports RF list mode, which increases multiband measurement speed with fast and deterministic changes in configuration. You can use a PXIe‑5663E as either a spectrum analyzer or vector signal analyzer, and you can use it with the Modulation Toolkit to analyze custom and standard modulation formats. The PXIe‑5663E can perform measurements for a broad range of communications standards such as GSM, EDGE, WCDMA, WiMAX, LTE, Bluetooth, WLAN, DVB‑C/H/T, ATSC, and MediaFLO. Because all measurements are software defined, you can reconfigure the measurements using standard-specific toolkits. With these toolkits, the PXIe‑5663E provides a low-cost solution to high-performance RF measurements.The PXIe-5663E comprises the following modules:• PXIe-5601 RF Signal Downconverter• PXIe-5622 IF Digitizer• PXIe-5652 RF Analog Signal GeneratorThere is no physical device named "PXIe-5663E".
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Mach-Zehnder Fiber Interferometer
MZI
OPTIPHASE , a leading supplier of ultra-high performance interferometric systems, offers Fiber Interferometers for use in precision test and measurement instrumentation as well as fiber sensing systems. These interferometers are driven by our own PZ1 Low-profile Fiber Stretcher with enhanced modulation, through a front panel BNC connector. Michelson and Mach-Zehnder interferometers are available in wavelengths from 1064 to 1550 nm. Each interferometer has a “zero meter” path mismatch which provides flexibility to change the delay length to match varying test applications. The standard length shipped is 50 meters. We also build custom interferometers.
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Transceiver Adapter Module For FlexRIO
Transceiver Adapter Modules for FlexRIO feature multiple inputs, outputs, and digital I/O lines for applications that require the acquisition and generation of IF or baseband signals with in‐line, real‐time processing. Example applications include RF modulation and demodulation, channel emulation, signals intelligence, real‐time spectrum analysis, and software defined radio (SDR). Transceiver Adapter Modules also provide digital I/O capability for interfacing with external hardware.
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Solid State Power Amplifier System 32 - 40 GHz, 10W
AMP4052
Exodus Advanced Communications
AMP4052, 32-40GHz, 10W, 40dB, 100-240VAC system. This Class AB linear State of the Art Solid State Power Amplifier features an instantaneous wide-band GaAsFET design with built-in protection circuits for high reliability and ruggedness. The AMP4052 is suitable for all single channel modulation standards. It is packaged in a 2.5U Chassis with an approximate weight of 11 kilograms. This System is available with a Digital Monitor & Control upon request. Typical applications for this System are EMI/RFI Testing, Ka band SATCOM and General Millimeter Testing.
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350 MHz Universal Frequency Counter/Timer, 12 digits/s, 20 ps
53230A
The Keysight 53230A universal frequency counter/timer serves all your frequency and time interval measurement needs. In addition to the typical frequency and time interval measurements, continuous/gap-free measurements are available for basic modulation domain analysis. Optional burst measurement software is available. An optional microwave channel can be added to measure 6 or 15 GHz.
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PXIe-5673E, 6.6 GHz PXI Vector Signal Generator
781340-04
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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Spectrum & Vector Analyzer
SVA1000X Series
The SIGLENT SVA1000X series spectrum & vector network analyzers are powerful and flexible tools for broadcast and RF device testing. With a wide frequency range from 9 kHz to 1.5 GHz, the analyzer delivers reliable automatic measurements and plenty of features including a tracking generator and multiple modes of operation: the base model is a swept super-heterodyne spectrum analyzer and optional functions include a vector network analyzer, a Frequency Domain Reflectometer based distance-to-fault locator, and a modulation analyzer. Applications include broadcast monitoring/evaluation, site surveying, EMI pre-compliance, research and development, education, production and maintenance.
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Visual Fault Locator
FFL-310-U
FFL-310-U Visual Fault Locator is equipped with a 650 nm high power visible laser diode,can be operated in -CW (continuous) or … MOD (1Hz modulation) mode. There is one LED indicator：with RED or GREEN light; the RED one shows the operating mode of the laser diode output signal, and the GREEN one indicates low battery level. FFL-310-U is designed in a card-size dimensions.
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DPSK Demodulator
Optical differential-phase shift keying (DPSK) provides a desired modulation format that offers high receiver sensitivity, high tolerance to major nonlinear effects in high-speed transmissions, and high tolerance to coherent crosstalk. In DPSK, data information is carried by the optical phase difference between adjacent bits. For direct detection of DPSK signal (by conventional intensity detectors), a DPSK demodulator is needed to convert the phase-coded signal into an intensity-coded signal.
