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Electronic Components & Devices ->
Signal Conditioners ->
Modulators & Demodulators
Modulators & Demodulators
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 RF Mixers and Modulators enable high-density radio cards.Analog Devices, Inc.
Norwood, MA 02062-9106
Oct 14, 2009
Designed for LTE and 4G cellular base stations, ADRF660x Mixers and ADRF670x Modulators each combine multiple discrete functional blocks into single device. ADRF670x models integrate analog I/Q modulator with input bandwidth of 500 MHz, RF output switch, and PLL with VCO in one RFIC, while ADRF660x models integrate high-linearity active RF mixer, RF input balun for single-ended 50 W input, and PLL synthesizer with integrated VCO. All share common SPI control interface.
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Hybrid Demodulators suit integrated digital televisions.Marvell Semiconductor Inc.
Santa Clara, CA 95054
Sep 11, 2009
Intended for worldwide TV RF subsystems, 88DE80xx series is comprised of single-chip solutions for digital and analog video broadcasting. Products demodulate IF signals from hybrid tuner and generate digital transport stream and analog composite video with sound intermediate frequency. At 7 x 7 mm, 88DE8020 offers optimized integration for demodulation of DVB-C, DVB-T, and NTSC/PAL/SECAM. Model 88DE8025 supports analog and DVB-T demodulation for applications that do not require DVB-C.
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 SoC targets isolated DC-DC power applications.Akros Silicon Inc
Folsom, CA 95630
Aug 06, 2009
Model AS1454 quad-output digital power SoC integrates capabilities of up to 8 separate ICs. It includes 9-72 V input range isolated primary converter, 2 kV isolation barrier, high-current-capable buck or boost PWM controller, and 2 x 2 A buck regulators. Built-in cross-isolation DC-DC timing management and digital power control deliver 92% DC-DC efficiency. Unit offers selectable spread-spectrum clocking on all PWMs to minimize spectral noise/EMI of power supplies.
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 Battery Charger Controllers require no blocking diode.Linear Technology Corp.
Milpitas, CA 95035-7417
Jun 11, 2009
Supporting multiple battery chemistries, Model LTC4012 offers adjustable battery termination voltage, while Models LTC4012-1 and LTC4012-2 utilize programmable internal resistor divider to charge from 1-4 series Lithium cells at multiples of 4.1 and 4.2 V, respectively. PWM units operate at input voltages from 5-28 V with output voltage of 2-28 V and programmable charge current to 4 A. Synchronously rectified, buck switching topology enables efficiencies greater than 90% at 3 A.
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Quadrature Modulator operates down to 5 MHz.Linear Technology Corp.
Milpitas, CA 95035-7417
May 11, 2009
Designed to extend dynamic range of wireless transmitters, Model LTC5598 offers +27.7 dBM OIP3 and +74 dBM OIP2 performance. Device integrates 2 matched, double-balanced mixers and broadband precision quadrature phase-shifter with buffered LO. It features low noise floor of -160 dBm/Hz at +5 dBm output level, and I and Q input bandwidth of over 400 MHz, supporting virtually all broadband digital transmission requirements. Operating from 5 V supply, modulator runs on quiescent current of 168 mA.
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 Sigma-Delta Modulator suits industrial motor applications.Avago Technologies
San Jose, CA 95131
Dec 18, 2008
Based of CMOS process, ACPL-796J series optically isolated sigma-delta modulator uses external clock input of 5-20 MHz for providing direct measurement of motor phase currents in power inverters. It features 16-bit resolution, 74 dB minimum SNR, 3.5 V/°C maximum offset drift, ±1% maximum gain error, and ±200 mV linear range with single 5 V supply. Operating in -40 to 105°C range, unit provides 25 kV/µs common-mode transient immunity and operates from 3-5.5 V supply.
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IC Pair acts as direct conversion receiver solution.Analog Devices, Inc.
Norwood, MA 02062-9106
Aug 15, 2008
Quadrature demodulator (ADL5380), operating from 400 MHz to 6 GHz, and companion 2-channel digital gain trim amplifier (AD8366) enable and integrate direct conversion radio receivers in cellular 3G/4G and broadband wireless 802.16 applications. With ADL5380, base station receivers can be designed for various cellular and broadband wireless data systems and standards. Features for AD8366 include 0.25 dB fine step resolution AGC, adjustable common mode, and dc offset correction.
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Sigma-Delta Converter targets 900 MHz band RF applications.Analog Devices, Inc.
Norwood, MA 02062-9106
Aug 15, 2008
Operating from 840-960 MHz, Model ADF9010 integrates Tx quadrature modulator with integer-N synthesizer and on-chip VCO, achieving LO phase noise of -140 dBc/Hz at 1 MHz offset. Rx low pass filter gain is programmable from 3-24 dB in 3 dB steps. Filter features 4 programmable modes, with auto-calibrated cutoff frequencies of 330 kHz, 880 kHz, and 2 MHz. Transmit path delivers OIP3 of 24 dBm, output P1 dB of +10 dBm, and output noise floor at -158 dBm/Hz.
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Miniature Demodulator targets telecom systems.Avensys Corporation
QC H4N 2G7 Canada
Feb 25, 2008
Small enough to be incorporated into industry standard 300-pin MSA-compliant transponder package, Differential Phase Shift Keying Demodulator is available with bit rates for 40 Gb/s DPSK and DQPSK with free-spectral range from 10-70 GHz. Device has almost insignificant polarization dependency of less than 1% of free-spectral range.
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Demodulator IC meets Chinese digital TV standards.Maxscend Technologies Inc.
Pudong,Shanghai China
Feb 19, 2008
Suited for TV and set-top box manufacturers addressing China's digital terrestrial television requirements, MXD1320 exhibits full compliance with GB20600-2006 national standard by supporting defined single- and multi-carrier modes. It achieves maximum resource sharing via algorithm and architecture design as opposed to placing 2 demodulators on one chip. Power consumption is rated at 170 mW.
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Video Module offers multiple channel video capture.Liantec Systems Corp.
Taipei Hsien 235 Taiwan
Feb 05, 2008
Channel video capture DVR module, TBM-1420 is equipped with PCI Express bus interface and 4 onboard PCI-based Conexant BT878A video capture controllers. Tiny-Bus® Modular Expansion allows for single motherboard installation. Designed for x86-based computing applications, module is suitable for applications requiring multiple channels of real-time, D1 resolution and 16M true color video frame quality. It supports MS Windows, XPe, and Linux kernel 2.4/6.
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Single-Chip HD STB Decoder has integrated demodulator.STMicroelectronics
GENEVA Switzerland
Jan 15, 2008
Supporting H.264, VC1, MPEG-2, and other video standards, STi7111 includes network interface for use in hybrid set-top box (STB) where content is delivered by satellite and IP network. Solution minimizes energy consumption of target STB while maintaining performance, and includes circuitry to demodulate DVB-S as well as DVB-S2 signals. Decoder also integrates PCI interface, embedded Ethernet port, 32-bit unified memory interface, and embedded HDMI 1.3 interface.
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System-On-Chip targets high-definition set-top boxes.Broadcom Corp.
Irvine, CA 92618
Jan 15, 2008
Manufactured in 65 nm process technology, Model BCM7335 features PVR functionality that supports standards for direct broadcast satellite STBs based on DVB-S2, DVB-S, and 8PSK. Integrating dual tuner/demodulator and AVC decoders that support multiple video formats, unit operates on dual-threaded MIPS® CPU core running at 450 MHz resulting in 950 DMIPS performance. Chip supports UMA and non-UMA memory architectures utilizing 400 MHz clock and 32 + 16-bit wide DDR2 memory interface.
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PWM is controlled by programmable microcontroller.Microchip Technology, Inc.
Chandler, AZ 85224 6199
Dec 10, 2007
Featuring 1 A integrated MOSFET driver, Model MCP1631 2.0 MHz PWM contains comparator for over-voltage protection, battery-current, and voltage-sense amplifiers in one package. It provides UVLO and over temperature protection and can charge multiple battery chemistries including Li-Ion, NiHM, NiCd, and Lead Acid. Available in 4 x 4 mm QFN package, unit offers means to close feedback loop in SMPSs that use microcontrollers for general system intelligence and control.
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Vector Modulator is digitally controlled.G.T. Microwave, Inc.
Randolph, NJ 07869
Nov 29, 2007
Model M2L-58N-5HD 4.0-12.0 GHz PIN Diode High Dynamic Range IQ Digital Vector Modulator simultaneously controls phase and amplitude with 360° and 60 dB of dynamic range. With phase and amplitude flatness of ±15° and ±2.0 dB, this unit is capable of handling +15 dBm CW, 1.0 W Max. Two sets (I & Q) of monotonic 12 BIT TTL binary logic and switches in 500 nsec provide digital control. Also features linear output with output voltage control input slope characteristic.
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PIN Diode IQ Vector Modulator operates across wide range.G.T. Microwave, Inc.
Randolph, NJ 07869
Oct 31, 2007
Measuring 3.25 x 3.00 x 1.00 in., Model M2V-82N-5JX is 360°/50 dB High Dynamic Range PIN Diode I and Q Vector Modulator that operates from 18.0-21.5 GHz. Device offers simultaneous phase and amplitude control as well as VSWR better than 1.8:1. Device is capable of handling +15 dBm CW, 1.0 W max; is voltage controlled via 2 (I and Q) inputs; and switches in 350 nsec. Across entire band, phase and amplitude flatness is ±10° and ±0.75 to 40 dB.
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Vector Modulator operates from 500 MHz to 2 GHz.G.T. Microwave, Inc.
Randolph, NJ 07869
Oct 31, 2007
Model SA-39-AR Integrated Digitally Controlled Pin Diode I & Q vector modulator, amplifier, and negative gain equalizer offers simultaneous 60 dB and 360° of dynamic attenuation and phase control with accuracy of 0.06 dB and 0.1° at any CW frequency. Across entire band, VSWR is 1.8:1 with +30 dB of RF gain held within ±1 dB window to output 1 dB compression point of +17 dBm. Device switches from state to state in 1.0 µs.
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Generators/Analyzers feature internal pulse modulator.Aeroflex Laboratories
Plainview, NY 11803
Sep 13, 2007
Offering single-box radar testing solution, 6810 Series Microwave Signal Generators and 6820 Series Microwave Scalar Analyzers with Internal Pulse Modulator perform radar testing, calibration, maintenance, and repair in coax or waveguide media. Systems with modulator allow sensitivity and range measurements for radar receivers and enable user to test pulsed amplifiers under pulsed conditions. Option is available in 50 MHz to 18 GHz and 50 MHz to 40 GHz ranges.
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Demodulator is housed in 5 x 5 mm BGA package.Maxscend Technologies Inc.
Pudong,Shanghai China
Jun 26, 2007
Model MXD0120 is compact DAB/T-DMB demodulator that has worst-case power consumption of 18 mW during full channel capacity reception. Product can receive weak signal down to -102 dbm, and works at speeds above 400 km/hr.
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Multi-Phase Buck Controllers support VR10.x/VR11 computers.ON Semiconductor, LLC
Phoenix, AZ 85008
May 17, 2007
Utilizing dual-edge pulse width modulation technology, Models NCP5387 and NCP5382 enable power management subsystems to efficiently respond to users' activation of high-performance computing functions. Units combine differential voltage and current sensing with adaptive voltage positioning. By enabling simultaneous switching of all phases in multiphase power waveform, controllers provide faster responses than single-edge or clocked control devices.
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