Signal processing ICs

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Triquint Semiconductor

Active frequency multiplier - 17 - 40 GHz | TGA4031-SM

The TriQuint TGA4031-SM is a medium power amplifier and multiplier for wide band for 17 to 40 GHz applications. The part is designed using TriQuint's power pHEMT...

Active frequency multiplier - 17 - 40 GHz | TGA4031-SM

The TriQuint TGA4031-SM is a medium power amplifier and multiplier for wide band for 17 to 40 GHz applications. The part is designed using TriQuint's power pHEMT production process.

The TGA4031-SM provides a nominal 22 dB small signal gain with 22 dBm output maximum power. For 2x and 3x multiplier function, the TGA4031-SM provides 15 dBm typical output power @ 9 dBm Pin.

This part is ideally suited for applications such as point-to-point radio, electronic warfare (EW), instrumentation and frequency multipliers. The part is lead-free and RoHS compliant. Evaluation boards are available upon request.
Hittite Microwave

Frequency divider - 0.5 - 18 GHz | HMC-C0xx series

Features
Ultra Low SSB Phase Noise: -150 dBc/Hz
Very...

Frequency divider - 0.5 - 18 GHz | HMC-C0xx series

Features
Ultra Low SSB Phase Noise: -150 dBc/Hz
Very...

Active frequency multiplier - 3 - 23 GHz | HMC-C03, HMC-CO5 series

Features
High Output Power: +17 dBm
Low Input Power Drive:...

Active frequency multiplier - 3 - 23 GHz | HMC-C03, HMC-CO5 series

Features
High Output Power: +17 dBm
Low Input Power Drive:...

Signal mixer/multiplier - 7 - 37 GHz | HMC-C0xx series

Features
Passive: No DC Bias Required
Input IP3: +19...

Signal mixer/multiplier - 7 - 37 GHz | HMC-C0xx series

Features
Passive: No DC Bias Required
Input IP3: +19...

Signal mixer MMIC - 4 - 38 GHz | HMC-C0xx series


Features
Wide IF Bandwidth: DC - 3.5 GHz
Image Rejection:...

Signal mixer MMIC - 4 - 38 GHz | HMC-C0xx series


Features
Wide IF Bandwidth: DC - 3.5 GHz
Image Rejection:...

Frequency divider - max. 26 GHz | HMC series

Features
Ultra Low SSB Phase Noise:
...

Frequency divider - max. 26 GHz | HMC series

Features
Ultra Low SSB Phase Noise:
-148 dBc/Hz
Wide Bandwidth
Output Power: 3 dBm
Single DC Supply: +5V
Small Size: 1.14 x 0.69 x 0.1 mm
RFEL Ltd

Downconverter multi-channel - 16 bit, min. 220 MHz | 64

RFELs ChannelCore core is based on a novel channelisation architecture, which provides the flexibility traditionally associated with DDC cores and ASIC devices, but with significantly greater silicon efficiency. It can process two channels of 16 bit real ADC input data at rates of over 220MHz and provide 64 channels of complex down-converted...

Downconverter multi-channel - 16 bit, min. 220 MHz | 64

RFELs ChannelCore core is based on a novel channelisation architecture, which provides the flexibility traditionally associated with DDC cores and ASIC devices, but with significantly greater silicon efficiency. It can process two channels of 16 bit real ADC input data at rates of over 220MHz and provide 64 channels of complex down-converted output data, with each output channel independently run-time configurable in terms of input source, centre frequency, output sample rate, filter selection and gain. The core is envisaged as a replacement for standard digital down-converter ASIC chips or FPGA cores, providing significantly higher channel capacity than is possible with currently available ASIC devices or less optimal FPGA cores. Furthermore, the core provides high quality fractional resampling, with extremely high end-to-end dynamic range of around 80dB. The filter taps for the resampler are programmable at run-time and may be programmed to provide multi-standard down-conversion.


independently configurable channels.
Fits within a single Xilinx Artix / Altera Cyclone FPGA.
Replaces up to 16 four-channel DDC ASICs.
At least 8 times more silicon efficient than standard DDC cores.
Bit-true MATLAB models for system simulations.
Custom versions available optimised to required application.

Downconverter multi-channel - 75 dB, 12 bit | GC1012B

RFELs Graychip Emulation core provides a practical alternative to the Graychip devices that the manufacturer no longer recommends for new designs. It is fully compatible with existing software designed for this grychip. A functional, rather than pin-for-pin replacement, it is easy to integrate as the designs new PCB is developed so that it can be connected...

Downconverter multi-channel - 75 dB, 12 bit | GC1012B

RFELs Graychip Emulation core provides a practical alternative to the Graychip devices that the manufacturer no longer recommends for new designs. It is fully compatible with existing software designed for this grychip. A functional, rather than pin-for-pin replacement, it is easy to integrate as the designs new PCB is developed so that it can be connected directly to the same components as the existing design. Thanks to its modern FPGA-based architecture, RFELs Graychip Emulation improves on both speed and power consumption over the grychip. It even offers extra capabilities not available on the original device. RFELs Graychip Emulation core stands out as a complete, forward-looking solution for designers looking to breathe new life into ageing Graychip-based systems.

The Graychip Emulation core provides a feature set which not only matches but extends the functionality of Graychip, including:

Faithful reproduction of the input/output characteristics of Grychip.
Greater flexibility in decimation factors and number of outputs.
Increased sample rate and dynamic range.
Finer gain control.
Larger numbers of outputs and different data formats available on request.
System architects looking to create the next generation of their Graychip-based products now have a realistic way of upgrading their designs without re-engineering the whole signal processing sub-system.

FPGA filter - DHBF

The Distributed Half Band Filter is a 'down-convert and decimate' filter, primarily intended for use as the first stage in very high sample rate DSP systems. Data is presented at the DHBF input from a high speed sampling system (typically...

FPGA filter - DHBF

The Distributed Half Band Filter is a 'down-convert and decimate' filter, primarily intended for use as the first stage in very high sample rate DSP systems. Data is presented at the DHBF input from a high speed sampling system (typically an A to D and anti-aliasing filter) and the input signal is down-converted to base-band with the frequency range +/- fs/4 (where fs is the input sample rate).

Proprietary techniques implement this distributed architecture onto an FPGA device to optimise speed and silicon usage.
Half Band Filter characteristics can be specified over a wide range with regard to side-lobe (stop-band) level and filter order.
Higher order (sharper) filters will typically increase silicon usage, but the flexible architecture of the DHBF will minimise silicon usage for implementation.
With a complex output as standard, the core can be used to convert from real data to complex.

Downconverter multi-channel - AGC

RFEL has reference designs for a range of Automatic Gain Control (AGC) algorithms that can be applied independently to each...

Downconverter multi-channel - AGC

RFEL has reference designs for a range of Automatic Gain Control (AGC) algorithms that can be applied independently to each output channel. The algorithms range from threshold-decision ramped gain to moving window average to median-based.

RFEL can advise on choosing the best algorithm for the requirements of he system.

Format conversion
RFEL have a number of format conversion modules ranging from fixed to floating point, linear to log and log to linear conversions.
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