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Differential Phase-Shift Keying
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DQPSK Demodulator
Differential Quaternary Phase-Shift Keying (DQPSK) is the four-level version of DPSK. DQPSK transmits two bits for every symbol (bit combinations being 00, 01, 11 and 10) and has an additional advantage over conventional binary DPSK. DQPSK has a narrower optical spectrum, which tolerates more dispersion (both chromatic and polarization-mode), allows for stronger optical filtering, and enables closer channel spacing. As a result, DQPSK is the only modulation format which allows processing of 40Gb/s data-rate in a 50-GHz channel spacing system.
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Key Selector Switch
SG-D1
Panasonic Industrial Devices Sales Company of America
Key Selector Switch with direct open operation function and pin tumbler design for high security.
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Key Technologies
VIEW systems are designed for measurement of parts and assemblies with complex dimensions and a high density of features. They include the most advanced QVI technologies for high accuracy, repeatability, and throughput.
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Differential Probe
DP-35
*High Sensitivity, High Voltage Model .*35MHz/1600 Vp-p Max.*Input Impedance 8MΩ//2.5PF*x10, x100 Attenuator, Easy to Convert.*Separating Design(Standard No.114205) Convenient & Durable.
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Receiver, G6, 6 Module, Keying Feature
310104318
The Receiver for the G6 is equipped with keying, a locking handle and nickel plated steel slides that engage up to 1,440 signal contact points. It allows a high amount of I/O within a compact and rugged device.
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32-Channel RS485/422 Differential
4792
The Conduction Cooled 32-channel Reconfigurable RS422/RS485 Digital I/O PMC provides a vehicle for implementing complex user-specific digital designs requiring a differential interface. Thirty-two (32) generalpurpose RS422/RS485 driven digital I/O differential pairs are wired to the rear PN4 connector. For each of the 32 channels, the bidirectionality is controlled by an output from the FPGA.
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Fully Differential Amplifiers
Differential amplifiers allow the process of single-ended input to complementary differential outputs or differential inputs to differential outputs. These amplifiers feature two separate feedback loops to control the differential and common-mode output voltages. Analog Devices fully differential amplifiers are configured with a VOCM pin, which can be easily adjusted for setting output common-mode voltage. This provides a convenient solution when interfacing with analog-to-digital converters (ADCs). ADI also offers a series of differential receiver products that convert differential input signals to single ended output.
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Differential Pressure Transmitter
607
Series 607 Differential Pressure Transmitter combines very low ranges with exceptional stability, reliability and either ±0.25% or ±0.5% accuracy for the most demanding applications. Ranges from 0-0.1" to 0-25" w.c
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Current Differential Relay
SEL-587
Schweitzer Engineering Laboratories, Inc.
The SEL-587 Current Differential/Overcurrent Relay provides protection for any two-input apparatus, such as transformers, motors, generators, and reactors. Apply it for differential and overcurrent protection and use event reports for quick post-event analysis.
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Manometer for Differential Pressure
MANO2-A
An instrument for measuring the pressure acting on a column of fluid, especially one with a U-shaped tube of liquid in which a difference in the pressures acting in the two arms of the tube causes the liquid to reach different heights in the two arms.
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Keying Pin Kit, Receiver/ITA
310118112
The Keying Pin kit is a way to avoid damaging the contacts within the ITAs and Receivers. Simply insert the longer keying pins into the receiver and the smaller set screws into the ITA to create the pattern needed to isolate your test fixtures so there is no operational mismatch.
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Differential Pressure Transmitter
608
The Dwyer Series 608 Differential Pressure Transmitters convert positive, negative (vacuum), or differential pressures of clean, dry air or other non-conductive, non-corrosive gases into a standard two wire, 4-20 mA output signal
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Differential Pressure Transmitter
DST1100
Measuring resolution high to 1Pa, best accuracy of 1.5%FS3Pa Customized differential pressure measuring range between -1000 and 1000Pa Support on-line linear calibration and zero setting Optional analog signal and digital signal Digital calibration technology, on-line calibration supported Toxicity and halogen free material, complying with different GXP standard
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Differential Scanning Calorimeter
DSC-60 Plus Series
DSC (Differential Scanning Calorimeter) is an indispensable thermal analyzer for materials characterization in R&D and quality control applications in such areas as polymers, pharmaceuticals, electronic parts , foods , etc . It offers the sensitivity and easy operation required for the development of high-performance, highly functional new materials.
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Differential Probe
With signals becoming faster, and power supply voltages going lower, these active differential probes will allow floating measurements from 100uVolts to as high as 7000 volts. These probes provide high CMRR and a broad frequency range.
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Current Differential and Overcurrent Relay
SEL-387
Schweitzer Engineering Laboratories, Inc.
Protect and control any two-, three-, or four-winding power transformer with the SEL-387, which provides thermal and through-fault monitoring, and with SELogic Control Equations, can detect breaker failure.
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Wet/Wet Differential Pressure Transmitter
647
Monitor differential pressure in air/liquid flow systems, HVAC automation, pneumatic systems and process control with the Series 647 Wet/Wet Differential Pressure Transmitter. Units are temperature compensated and provide a 4 to 20 mA output signal which can be interfaced with chart recorders, data loggers and computerized monitoring and control systems.
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Differential Probe
DP-30K
*30KVp-p, High Voltage Model .*Input Impedance 81.6MΩ//1PF *x200, x2000 Attenuator, Easy to Convert.*Separating Design(Standard No.114205)*Convenient & Durable.
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Compact Differential Pressure Transmitters
Series 668B/D
Our low cost SERIES 668B/D Compact Differential Pressure Transmitters are capable of sensing differential gage pressure with ±0.8% FS accuracy, and converts this pressure difference to a proportional high level analog output for both unidirectional and bi-directional pressure ranges. These transmitters can withstand up to 15 psig overpressure with no damage to the unit. The compact, lightweight design makes installation simple and easy. Units are protected against incorrect wiring, and include a protective terminal cover.
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Differential Pressure Transmitters
The differential pressure transmitter portfolio from ABB offers a broad variety of communication possibilities. Another highlight of our sensors is the measurement accuracy up to 0.025 %.
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Differential Probe
DP-16K Series
*High Frequency Performance Model*Bandwidth:(-3 dB)**DC~100 MHz (DP-16K)**DC~70 MHz (DP-16KM)**DC~50 MHz (DP-16KL)*2 Range: x100, x1000*Input Impedance:**10 MΩ // 10 pF each side to ground*Over Range Indicate LED*Rise Time: 4 ns
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High Impedance Differential Relay
High impedance protection schemes are widely used for the protection of BUS bars, generators, motors & power transformers. BUS bar protection schemes utilizing electromechanical high impedance differential relays are often used due to their simplicity, reliability & comparatively low cost.
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Cabin Altitude Differential Pressure
The inner scale displays the difference in pressure between the inside and the outside of the cabin in pounds per square inch (PSI).
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500 MHz Active Differential Probe
AP033
Fully Integrated: With the ProBus™ interface, the AP033 becomes an integral part of the oscilloscope. The probe sensitivity and offset can be controlled from the oscilloscope front panel, the probe front panel, or by using remote control commands (GPIB or RS-232). Sensitivity, offset, input capacitance, and common mode voltage range are displayed on the oscilloscope screen. When used with a LeCroy digital oscilloscope, no external power supply is required.
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Differential And I/Q Device Measurements
S96089B
The S96089B combines source-phase control of multiple internal or external sources with frequency-offset mode, enabling simplified test of I/Q modulators/converters, differential mixers, and harmonics or amplifiers.
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Differential Picosecond Pulse Generators
PicoSource PG900 Series
The fast-transition pulse can stimulate a transmission path, device or network with a broad spectrum signal in a single instant. Such a pulse is very useful for many of the high-speed broadband measurements that we need to make; for instance in time-domain reflectometry, semiconductor test, gigabit interconnect and port test and in radar.
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Differential Probe
DP-08VF
*MAX. Input Voltage: ±400V DC or 800V p-p or AC 280V rms*Bandwidth: DC-150MHz*Input Impedance 20MΩ // 5PF*X20, X200 Attenuator*To Ground MAX. Voltage: 400V*Output Impedance 50Ω
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Differential Pressure and Temperature Data Logger
PRTemp1000D
The PRTemp1000D is a rugged pressure and temperature data logger designed to accurately monitor and record pressure and temperature at user programmable reading intervals. The rugged stainless steel design allows for the device to be placed in harsh environments, which makes it well suited for use with air conditioning systems, chilled water, hot water, air, gas, oil and steam pressure systems.
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High-Voltage Differential Probe, 25 MHz
N2791A
Use the N2791A 25-MHz low-cost high-voltage differential probe to make safe and accurate floating measurements with an oscilloscope. The N2791A differential probe allows conventional earth-grounded Keysight oscilloscopes to be used for floating signal measurements of up to 700 V of differential voltage and common mode voltage.
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Low Noise Differential Preamplifiers
Provide a high gain amplification to 1MHz with an AC output derived from a very low noise FET instrumentation amplifier. Each model has fixed gain settings of x1 (0dB), x10 (20dB), x100 (40dB) and x1000 (60dB) over a selectable bandwidths of 100Hz, 1kHz (HP), 3kHz, 30kHz, 100kHz and 1MHz (7000 model only). Noise referred to input is 7nV√Hz and common mode rejection is >100dB at 1kHz. Momentary pushbutton switches are provided that control coupling, bandwidth, gain and channel on/off selections. BNC connectors are provided for single-ended and differential input, ac output, and dc output (optional) connections.
