Modulators & Demodulators

Controls & Controllers, Electronic Components & Devices

PWM Module is available for Allen-Bradley Point I/O.

November 11, 2015

Referenced within Rockwell Automation PartnerNetwork™ Encompass program, 4402 two-channel Pulse Width Modulation (PWM) signal controller for Point I/O™ works with Allen-Bradley PLCs. Module generates square wave pulse signal with 0%–100% programmable duty cycle and 1 Hz to 20 kHz programmable frequency and can also be programmed to add dithering element to PWM output. Programmable output frequency and duty cycle provide sophisticated control for hydraulic and pneumatic control devices. Read More

Electronic Components & Devices, Optics & Photonics

Lithium Niobate External Modulator tests 400G networks.

September 23, 2015

For designing and testing 400G and higher networks on single wavelength, Oclaro 400G Modulator provides 3 dB electro-optic bandwidth exceeding 35 GHz and insertion loss below 13 dB. PM-QMZ device integrates input beam splitter, 4 parallel Mach-Zehnder modulators configured for I-Q modulation, polarization combiner, and monitor photodiodes into hermetic package. Optical response up to 50 GHz enables symbol rates up to 64 Gbaud, while extinction ratio above 25 dB enables complex modulation formats. Read More

Communication Systems & Equipment, Electronic Components & Devices, Display & Presentation Equipment

Receiver Demodulator has 4.3 in. LCD monitor and 10 W speaker.

March 23, 2015

Suited for off-air monitoring of on-air broadcasts via RF or IP for master control or ENG (Electronic News Gathering) trucks, Allview 8VSB/HD-SDI+IP™ features 8VSB, IP unicast or multicast (with Pro-MPEG FEC), and DVB-ASI inputs as well as outputs for IP, SDI/HD-SDI with embedded audio, DVB-ASI, analog, and MPEG -1/2 or AC-3 audio. System can automatically switch between RF and IP inputs and supports AES-3 id audio as well as PCM. Optional DVB-S/DVB-S2 or DVB-T+T2 tuner is also available. Read More

Test & Measuring Instruments, Electrical Equipment & Systems, Electronic Components & Devices

Vector Signal Generator suits mid-range RF test/measurement.

March 11, 2015

Comprising 3 models with respective carrier frequencies ranges of DC to 2.0/4.0/6.0 GHz, TSG4100A series can be upgraded in field to deliver more advanced vector and digital modulation capabilities. Series offers spur-free outputs with low phase noise of -113 dBc/Hz at 1 GHz, amplitude accuracy of <±0.4 dB at 1 GHz, 0 dBm CW signal from +16 dBm to -100 dBm level range, and frequency resolution of 1  Hz. OCXO time-base provides <±0.002 ppm temperature stability and <±0.05 ppm aging stability. Read More

Computer Hardware & Peripherals, Electronic Components & Devices

Pulse Selector optimizes efficiency of laser modulators.

November 6, 2014

With automatic adjustment of operating point, Pulse Selector IOM ensures that modulator's offset voltage is adjusted regularly and guarantees that pulse control is always accurate. Manual readjustment is therefore not necessary and modulator can be used in continuous operation. When used with fiber lasers, pulse selector ensures steady reduction in laser pulse repetition rate with high pulse suppression. Integrated USB port enables unit to be controlled from PC. Read More

Electronic Components & Devices

Synchronous Demodulator includes configurable analog filter.

November 6, 2014

Optimized for input sampling rates up to 1 MHz, Model ADA2200 enables demodulation of signal input bandwidths to 30 kHz and achieves 0.009° phase detection sensitivity. Sampled Analog Technology uses charge sharing among capacitors to perform digital-like computations in analog domain. With configurable analog filter, designers of portable instrumentation can maximize battery life and perform precision magnitude and phase measurements on analog signals in presence of large noise sources. Read More

Controls & Controllers, Electronic Components & Devices

DC/DC Digital PWM Controller serves 40-100 A applications.

October 7, 2014

With ability to current share across multiple devices, dual-phase ZL8801 offers range extendible to 300 A for FPGAs and ASICs employed in densely populated power supplies. Use with PowerNavigator™ GUI simplifies system power conversion and accelerates design process, while leveraging ChargeMode™ control loop architecture enables optimal transient response performance. Inherently stable, fully digital control loop corrects errors cycle-by-cycle to eliminate need for compensation.
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Communication Systems & Equipment, Electronic Components & Devices

Klystron Modulator provides pulse fidelity and repeatability.

August 26, 2014

Featuring >0.1% pulse fidelity and repeatability, with 100,000 hr MTBF, DTI PowerMod™ Solid-State Klystron Transmitter is suited for particle accelerators and mission-critical radars. Unit includes PLC-based controller, pulse transformer, high voltage solid-state switch, and required protection circuitry to run Klystron. With peak RF power to 100 mW, amplifier offers pulse widths from 1 µs to 5 mS, repetition rate to 1 KHz, voltage flatness of <1%, and 0.1% reproducibility. Read More

Electrical Equipment & Systems, Electronic Components & Devices

Off-Line PWM Controllers integrate power MOSFET.

January 23, 2014

Available in DIP-8 and SOIC-8 packages, STR4A100 series incorporates sense MOSFET and current mode PWM controller IC. Products use secondary side regulation topology and make it possible to lower stand-by power to <10 mW. Low standby power is accomplished by automatic switching between PWM operation in normal operation and burst-oscillation under light load conditions. Suitable areas of use include appliance, office automation, consumer, and industrial markets. Read More

Electronic Components & Devices

Capacitive Demodulator suits high-resolution measurement tasks.

January 17, 2014

Based on modular design principle, DL 6230 Demodulator for capacitive displacement and distance measurement sensors can be operated with up to 4 channels using DT6200 controller. These additional channels can be added/removed by user without impacting software performance and operation. With demodulator, capaNCDT 6200 is used to measure thickness, tilt angle, and vibrations at sub-micrometer to nanometer precision levels. It has Ethernet interface and is operated via web browser interface. Read More

Controls & Controllers, Electronic Components & Devices

Temperature Control features PWM circuitry.

September 23, 2013

Delivering pulse-width modulated control in 1.3 x 1.28 x 0.31 in. PCB-mounted package, Model WTCP5V5A is suited for portable, airborne, and other space constrained temperature control applications. Unit can operate from single 5 V power supply, or control and load can be driven from separate power supplies when lower output current noise is required. Offering adjustable current and voltage limits, thermoelectric control provides 85–95% efficiency and short-term temperature stability of 0.001°C. Read More

Electrical Equipment & Systems, Laboratory and Research Supplies & Equipment, Electronic Components & Devices

Pulsed Electric Field System performs tests at up to 50 L/hr.

December 27, 2011

Consisting of pulse modulator, power supply, and treatment chamber with pump, Laboratory PEF System is suited for R/D experiments, batch tests, and process development involving food, algae, and wastewater treatment. System can apply full field strength of 40 kV/cm across fluid at conductivities up to 10 mS as well as 10 kV/cm into seawater. Providing pulse widths from 1-20 µs and frequency up to 1 KHz, system delivers up to 99% efficiency and less than 1 µs rise times into resistive load. Read More

Computer Hardware & Peripherals, Communication Systems & Equipment, Electronic Components & Devices

Multi Demodulator SoC digitizes 950-2,150 MHz spectrum.

September 13, 2011

Replacing multiple discrete tuners with one system-on-a-chip, 40 nm BCM4528 Full Band Capture Multi Demodulator SoC accelerates channel change when coupled with FastRTV® technology. Any demodulator can tune to any frequency, removing wideband block tuner restrictions for efficient distribution of video streams and IP services to connected devices in digital home ecosystem. Read More

Electronic Components & Devices

Class G Stereo Analog Amplifier IC targets mobile handsets.

March 2, 2011

PowerWise® LM49251 IC combines 1.4 W Class D speaker amplifier, 20 mW Class G headphone amplifier, and ALC in 2.55 x 3.02 mm micro SMD package. Consuming less than 7 mA quiescent current at 3.3 V, unit features low EMI pulse-width modulation architecture that reduces RF emissions while preserving audio quality. Mode selection, shutdown, and volume are controlled through I2C-compatible interface, while no-clip ALC feature prevents distortion as battery voltages drop. Read More

Electronic Components & Devices

RF Demodulator integrates PLL synthesizer and VCO.

February 18, 2011

Model ADRF6801 demodulator performs multiple RF functions and operates over frequency range from 750-1,150 MHz. Unit features noise figure of 14.3 dB, input third order intercept of 25 dBm, and input compression point of 12.5 dBm. Fractional-N PLL synthesizer and low-phase-noise VCO are included as well as RF balun, 3 LDOs, and baseband buffer amplifiers. Supporting SPI/I2C serial interface for PLL programming, product allows user to select between internal or external oscillator signals. Read More

Communication Systems & Equipment, Electronic Components & Devices

HD DTV Receiver IC accommodates Latin American market.

November 30, 2010

Targeting digital TV (DTV) markets of Latin America and Japan, SMS2270 supports ISDB-T high-definition DTV technology. Single-chip integrated RF tuner and demodulator enables clear reception in tough conditions, such as deep-indoor locations, noisy electronic environments, and use with sub-optimized antenna. Suited for PC cards and motherboards as well as TV sets and STBs, product has built-in USB 2.0 core as well as MPEG2 Transport Stream interface and also supports DVB-T format. Read More

Electronic Components & Devices

IQ Modulator offers continuous tuning range of 300-4,800 MHz.

October 28, 2010

Integrating direct up-conversion IQ modulator with PLL and wideband VCO, Model TRF372017 achieves OIP3 of 26 dBm, delivering high linearity to meet spectral mask standards for wireless infrastructure applications. Local oscillator synthesizer output with independent frequency dividers drives additional transmit or receive signal chains. Housed in 7 x 7 mm QFN-48 package, modulator provides low noise floor of -160 dBm/Hz and meets all 3GPP and 3GPP2 standards as well as licensed WiMAX. Read More

Electronic Components & Devices

Direct Conversion I/Q Modulator operates from 200 MHz to 6 GHz.

September 23, 2010

Model LTC5588-1 offers linearity performance of 30.9 dBm Output Third-Order Intercept at 2.14 GHz. Unit has image suppression of -56.6 dBc at 2.14 GHz and carrier leakage of -39.6 dBm while delivering 5 dBm signal power to its output at temperatures from -40 to +85°C. Supporting signal bandwidth greater than 400 MHz, its I and Q inputs are biased to 0.5 Vdc common-mode voltage. Product is powered from 3.3 V supply with operating current of 300 mA, and draws less than 900 µA in sleep mode. Read More

Electronic Components & Devices

I/Q Modulator achieves 30.9 dBm output third-order intercept.

September 21, 2010

Supplied in 4 x 4 mm QFN package, LTC5588-1 operates over 200 MHz to 6 GHz range and offers linearity performance of 30.9 dBm OIP3 (Output Third-Order Intercept) at 2.14 GHz. Capability for calibration via single-pin adjustment with DC input voltage further optimizes OIP3 to 35.1 dBm. Along with noise floor of -160.6 dBm/Hz at 6 MHz offset and image suppression of -56.6 dBc at 2.14 GHz, characteristics include carrier leakage of -39.6 dBm while delivering 5 dBm signal power to output. Read More

Controls & Controllers, Electronic Components & Devices

PWM Synchronous Buck Control ICs offer single-output design.

July 29, 2010

Model MIC2155 and MIC2156 single output, synchronous buck control ICs implement 500 kHz and 300 kHz voltage mode PWM control, respectively, with outputs switching 180° out-of-phase that results in 1 MHz or 600 kHz input ripple, with ripple current cancellation. Two independent enable pins and power good output are included. Operating over temperatures from -40 to +125°C, ICs have 4.5-14.5 V input voltage range and adjustable output voltages down to 0.7 V. Read More