DC987B-F: Demo Board for the LTC6401-14 2GHz Low Noise, Low Distortion Differential ADC Driver for DC-140MHz.

DC988A-A: Demo Board for LT3585 Photoflash Charger with Adjustable Input Current and IGBT Driver

DC991A: Demo Board for the LT5560 0.01MHz to 4GHz Low Power Active Mixer.

Demonstration circuit 992 is a Step-Down Converter, using the LTC3549 monolithic synchronous buck regulator. The DC992A has an input voltage range of 1.6V to 5.5V, and is  capable of delivering up to 250 mA of output current at a minimum input voltage of 1.8V. The output voltage of the DC992A can be set as low as 0.611V, the reference voltage of the LTC3549. At low load currents, the DC992A can operate in either noise sensitive applications, due to the capability of the LTC3549 to operate in pulse-skipping mode, or in high  efficiency applications, because the LTC3549 can also operate in Burst-Mode.

DC997B-B: Demo Board for the LTC2241-12 12-Bit, 210Msps ADC.

DC997B-F - Demo Board for the LTC2240-10 10-Bit, 170Msps ADC.

The HMC1034LP6GE is a low-noise, wide-band clock generator IC with a fractional-N Phase Locked Loop (PLL) that features an integrated Voltage Controlled Oscillator (VCO). The device provides differential clock outputs between 125MHz and 3GHz range. The HMC1034LP6GE features low noise Phase Detector (PD) and Delta-Sigma modulator, capable of operating at up to 100MHz, permit wider loop-bandwidths with excellent spectral performance.The HMC1034LP6GE features industry leading phase noise and jitter performance, across the operating range, that enable it to improve link level jitter performance, Bit-Error-Rates (BER) and eye diagram metrics. The superior noise floor (

The HMC769LP6CE is a fully functioned Fractional-N Phase-Locked-Loop (PLL) Frequency Synthesizer with an integrated Voltage Controlled Oscillator (VCO). The input reference frequency range is DC to 350 MHz while the advanced delta-sigma modulator design in the fractional synthesizer allows both ultra-fine step sizes and very low spurious products. The highly integrated structure provides excellent phase noise performance over temperature, shock and process. In addition, the HMC769LP6CE offers frequency sweep and modulation features, external triggering, double-buffering, exact frequency control, phase modulation and more. The HMC769LP6CE is packaged in a leadless QFN 6 x 6 mm surface mount package.For theory of operation and register map refer to the 'PLLs w/ Integrated VCO - Microwave VCOs' Operating Guide.Applications VSAT Radio Microwave Point-To-Point Radios Test Equipment & Industrial Control Military End-Use Phased Array Applications FMCW Radar Systems

The HMC832LP6GE is a 3.3 V, high performance, wide-band, Fractional-N Phase-Locked-Loop (PLL) that features an integrated Voltage Controlled Oscillator (VCO) with a fundamental frequency of 1500 MHz - 3000 MHz, and an integrated VCO Output Divider (divide by 1/2/4/6.../60/62), that enables the HMC832LP6GE to generate continuous frequencies from 25 MHz to 3000 MHz. The integrated Phase Detector (PD) and delta-sigma modulator, capable of operating at up to 100 MHz, permit wider loop-bandwidths and faster frequency tuning, with excellent spectral performance.Industry leading phase noise and spurious performance, across all frequencies, enable the HMC832LP6GE to minimize blocker effects, improve receiver sensitivity and transmitter spectral purity. Low noise floor (-160 dBc/Hz) eliminates any contribution to modulator/mixer noise floor in transmitter applications.The HMC832LP6GE features all 3.3 V supply and an innovative Programmable Performance technology that enables the HMC832LP6GE to tailor current consumption and corresponding noise floor performance to each individual application by selecting either a low current consumption mode, or a high performance mode for an improved noise floor performance.Additional features of the HMC832LP6GE include 12 dB of RF output gain control in 1 dB steps; Output Mute function to automatically mute the output during frequency changes when the device is not locked; Selectable resistance for better output return loss; Programmable differential or single-ended outputs, with the ability to select either output in single-ended mode; and a delta-sigma modulator Exact Frequency Mode which enables users to generate output frequencies with 0 Hz frequency error.Applications Cellular Infrastructure Microwave Radio WiMax, WiFi Communications Test Equipment CATV Equipment DDS Replacement Military Tunable Reference Source for?Spurious- Free Performance

The HMC834LP6GE is a low noise, wide band, Fractional-N Phase-Locked-Loop (PLL) that features an integrated Voltage Controlled Oscillator (VCO) with a fundamental frequency of 2800 MHz - 4200 MHz, and an integrated VCO Output Divider (divide by 1/2/4/6.../60/62) and doubler, that together allow the HMC834LP6GE to generate frequencies from 45 MHz to 1050 MHz, from 1400 MHz to 2100 MHz, from 2800 MHz to 4200 MHz, and from 5600 MHz to 8400 MHz. The integrated Phase Detector (PD) and delta-sigma modulator, capable of operating at up to 100 MHz, permit wider loop-bandwidths with excellent spectral performance.The HMC834LP6GE features industry leading phase noise and spurious performance, across all frequencies, that enable it to minimize blocker effects, and improve receiver sensitivity and transmitter spectral purity. The superior noise floor (< -170 dBc/Hz) makes the HMC834LP6GE an ideal source for a variety of applications - such as; LO for RF mixers, a clock source for high-frequency data-converters, or a tunable reference source for ultra-low spurious applications.Additional features of the HMC834LP6GE include RF output power control from 0 to 6 dB (~2 dB steps), output Mute function, and a delta-sigma modulator Exact Frequency Mode which enables users to generate output frequencies with 0 Hz frequency error.Applications Cellular/4G, WiMax Infrastructure Repeaters and Femtocells Communications Test Equipment CATV Equipment Phased Array Applications DDS Replacement Very High Data Rate Radios Tunable Reference Source for?Spurious- Free Performance

The HMC987LP5E 1-to-9 fanout buffer is designed for low noise clock distribution. It is intended to generate relatively square wave outputs with rise/fall times < 100 ps. The low skew and jitter outputs of the HMC987LP5E, combined with its fast rise/fall times, leads to controllable low-noise switching of downstream circuits such as mixers, ADCs/DACs or SERDES devices. The noise floor is particularly important in these applications, when the clocknetwork bandwidth is wide enough to allow squarewave switching. Driven at 2 GHz, outputs of the HMC987LP5E have a noise floor of ?166 dBc/Hz, corresponding to a jitter density of 0.6 asec/rtHz - or 50 fs over an 8 GHz bandwidth.The input stage can be driven single-ended or differentially, in a variety of signal formats (CML, LVDS, LVPECL or CMOS), AC or DC coupled. The input stage also features adjustable input impedance. It has 8 LVPECL outputs, and 1 CML output with adjustable swing/power-level in 3 dB steps.Individual output stages may be enabled or disabled for power-savings when not required using either hardware control pins, or under control of a serial-port interface.APPLICATIONS SONET, Fibre Channel,?GigE Clock Distribution ADC/DAC Clock Distribution Low Skew and Jitter Clock?or Data Fanout Wireless/Wired Communications Level Translation High Performance Instrumentation Medical Imaging Single-Ended to Differential?Conversion

The HMC1099PM5E is a gallium nitride (GaN), broadband power amplifier delivering >10 W with up to 69% PAE across an instantaneous bandwidth of 0.01 GHz to 1.1 GHz, and with a ?0.5 dB typical gain flatness.The HMC1099PM5E is ideal for pulsed or continuous wave (CW) applications, such as wireless infrastructure, radars, public mobile radios, and general-purpose amplification.The HMC1099PM5E amplifier is externally tuned using low cost, surface-mount components and is available in a compact LFCSP package.Multifunction pin names may be referenced by their relevant function only.ApplicationsExtended battery operation for public mobile radiosPower amplifier stage for wireless infrastructuresTest and measurement equipmentCommercial and military radarsGeneral-purpose transmitter amplification

The HMC1118 is a general-purpose, broadband, nonreflective single-pole, double-throw (SPDT) switch in a LFCSP surface mount package. Covering the 9 kHz to 13.0 GHz range, the switch offers high isolation and low insertion loss. The switch features >48 dB isolation, 0.68 dB insertion loss up to 8.0 GHz, and a 7.5 ?s settling time of 0.05 dB margin of final RFOUT. The switch operates using positive control voltage logic lines of +3.3 V and 0 V and requires +3.3 V and ?2.5 V supplies. The HMC1118 can cover the same operating frequency range with a single positive supply voltage applied and the negative supply voltage (VSS) tied to ground and still maintaining good power handling performance. The HMC1118 is packaged in a 3 mm ? 3 mm, surface mount LFCSP package.Applications Test instrumentation Microwave radios and very small aperture terminals (VSATs) Military radios, radars, and electronic counter measures (ECMs) Fiber optics and broadband telecommunications

The HMC1131 is a gallium arsenide (GaAs), pseudomorphic high electron mobility transfer(pHEMT), monolithic microwave integrated circuit (MMIC), driver amplifier that operates from 24 GHz to 35 GHz. The HMC1131 provides 22 dB of gain at the 24 GHz to 27 GHz range, 35 dBm output IP3, and 24 dBm of output power at 1 dB gain compression, while requiring 225 mA from a 5 V supply.The HMC1131 is capable of supplying 25 dBm of saturated output power and is housed in a compact, 4 mm ? 4 mm ceramic leadless chip carrier (24-lead LCC). The HMC1131 is an ideal driver amplifier for a wide range of applications, including point-to-point radios, from 24 GHz to 35 GHz.Applications Point-to-point radios Point-to-multipoint radios VSAT and SATCOM

The HMC1133LP5E is a 6-bit digital phase shifter which is rated from 4.0 to 7 GHz, providing 360 degrees of phase coverage, with a LSB of 5.625 degrees. The HMC1133LP5E features very low RMS phase error of 2.8 degrees and extremely low insertion loss variation of ?0.4 dB across all phase states. This high accuracy phase shifter is controlled with positive control logic of 0/+5V The HMC1133LP5E is housed in a compact 5x5 mm plastic leadless SMT package and is internally matched to 50 Ohms with no external components.Applications EW Receivers Weather & Military Radar Satellite Communications Beamforming Modules Phase Cancellation

The HMC1161 is a monolithic microwave integrated circuit (MMIC), voltage controlled oscillator (VCO) that integrates a resonator, a negative resistance device, and a varactor diode, and features a half frequency output. Because of the monolithic construction of the oscillator, the output power and phase noise performance are excellent over temperature.The output power is 11 dBm typical from a 5 V supply voltage. The VCO is housed in a RoHS-compliant LFCSP and requires no external matching components.Applications Point to point and multipoint radios? Test equipment and industrial controls? Very small aperture terminals (VSATs)?

The HMC199AMS8 & HMC199AMS8E are low-cost general purpose dual SPDT GaAs ?bypass? switches in 8-lead MSOP packages covering DC to 2.5 GHz. These four-RF-port components integrate two SPDT switches and a through line onto a single IC. The designs provide low insertion loss of less than 0.5 dB while switching passive or active external circuit components in and out of the signal path. Port to port isolations are typically 25 to 30 dB. On-chip circuitry enables positive voltage control operation at very low DC currents with control inputs compatible with CMOS and most TTL logic families. Applications include LNA or filter bypass switching and single bit attenuator switching. The HMC199AMS8E is a RoHS-compliant product.APPLICATIONS Cellular ISM Basestations PCS

The HMC244AG16 is a non-reflective SP4T switch ina 16 lead glass/metal (hermetic) package. CoveringDC to 4 GHz, the switch offers 30~50 dB isolationand a low insertion loss of 0.9 dB through 3 GHz. A2:4 TTL/CMOS compatible decoder is integrated onthe switch requiring only 2 control lines and a positive5V bias to select each path, replacing 8 control linesnormally required by GaAs SP4T switches.Applications Telecom infrastructure Military radios, radar and ECM Space applications Test instrumentation

The HMC252AQS24E is low-cost non-reflectiveSP6T switches in 24-lead QSOP packagesfeaturing wideband operation from DC to3.0 GHz. The switch offers a single positive biasand true TTL/CMOS compatibility. A 3:6 decoderis integrated on the switch requiring only 3 controllines and a positive bias to select each path.The HMC252AQS24E SP6T replaces multipleconfigurations of SP4T and SPDT MMIC switches andlogic drivers.Applications Base station CATV / DBS MMDS and wireless LAN Test equipment

The HMC260ALC3B is a general-purpose, double balanced,monolithic microwave integrated circuit (MMIC) mixer housed in a leadless, Pb-free, RoHS compliant LCC package. The devicecan be used as an upconverter or downconverter in the 10 GHz to 26 GHz frequency range. The HMC260ALC3B mixer requires no external components or matching circuitry.The HMC260ALC3B provides local oscillator (LO) to radiofrequency (RF) and LO to intermediate frequency (IF) suppression due to optimized balun structures. The mixer operates with LO amplitude levels between 9 dBm and 15 dBm.The HMC260ALC3B eliminates the need for wire bonding,allowing the use of surface-mount manufacturing techniques.Applications Point to point radios Point to multipoint radios and very small aperture terminals (VSATs) Test equipment and sensors Military end use