Solutions Search - RF & Wireless
35GHz RMS Detector Breaks Through Dynamic Range Barrier
Jan 16th 2017
The LTC5596 is a high frequency, wideband and high dynamic range RMS power detector that provides accurate, true power measurement of RF and microwave signals independent of modulation and waveforms. The LTC5596 responds in an easy to use log-linear 29mV/dB scale to signal levels from –37dBm to –2dBm, at accuracy ...
Dual Mixer Enables A Compact, Wideband MIMO Receiver for 5G LTE Service
Jan 13th 2017
This video describes the application of the LTC5566, a dual mixers integrated with programmable gain IF amplifiers that enable a 3.6GHz compact, wideband MIMO receiver for 5G LTE service. The receiver provides superbly robust performance that can handle stronger blockers, while supporting 100MHz bandwidth.
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Wideband I/Q Demodulation for Zero-IF High Dynamic Range Receivers
Oct 7th 2016
5G LTE is on the way. These systems will require more bandwidth, and use more complex modulation formats. The LTC5586 High Linearity IQ Demodulator finds applications in 5G DPD PAs as an observation receiver, and in microwave/mm-wave gigabit backhaul receivers. Many features are digitally programmable, including RF input selection, ...
A Very Low Power, High Performance I/Q Modulator
Nov 19th 2014
Modern digital transmitters take advantage of using high-order modulation to maximize data throughput rate while minimizing spectral bandwidth, thus allowing more efficient use of the frequency spectrum. I/Q modulators allow baseband signals to directly modulate onto the RF carrier. Such modulators typically suffer from excessive ...
LTspice: SAR ADC Driver Interface
Apr 3rd 2014
High-performance SAR ADCs can offer amazing dynamic range and linearity at faster and faster sample rates. But how do you design the amplifier and interface at the analog inputs? LTspice IV can help. This video shows how to use LTspice to simulate the analog input interface of high-performance SAR ADCs. We will look ...
Single-Ended to Differential Conversion Using Differential Op Amps
Jan 13th 2014
Differential op amps are important building blocks in modern analog and mixed signal circuits. Many modern ADCs require differential signals at the inputs. Differential analog signals are also handy to drive signals over a cable. Differential op amps are useful building blocks for creating differential signals. Linear Technology ...
IF/RF Gain Block State-of-the-Art Performance the Easy Way
Oct 4th 2012
Bandwidth has become more precious than gold. As we push more and more data wirelessly through our smartphones, tablets, GPS, and video players, the spectrum has become more crowded. Increasingly complex and efficient modulation schemes allow us to carry more MBits/mHz through the air. However, the key to these demanding ...
Optimizing the Performance of Wideband Zero-IF Receivers
Jun 14th 2012
The zero-IF receiver architecture gains popularity in wireless applications because of its suitability to demodulate very wideband RF signals. This capability is important in digital pre-distortion (DPD) transmitters.
Realization of sufficient dynamic range is commonly known to be a major issue of zero-IF architectures. ...
Low Phase Noise Frequency Synthesizers for RF Applications
Sep 19th 2011
In modern RF communication systems, signal integrity is of prime importance. To meet the system requirements, amplifiers, mixers and modulators must have a low noise figure and low distortion products. Additionally, as system designers work to squeeze increasingly more data into the available bandwidth, low phase noise signal ...
LT5581 10MHz to 6GHz RF RMS Power Detector with 40dB Dynamic Range - Video Product Brief
Nov 23rd 2010
The LT5581 is a 10MHz to 6GHz, low power monolithic precision RMS power detector. The RMS detector uses a proprietary technique to accurately measure the RF power from –34dBm to +6dBm (at 2.14GHz) of modulated signals with a crest factor as high as 12dB. It outputs a DC voltage in linear scale proportional to an RF input ...
Low Power RF Mixers Enhance Receiver Performance
Jun 11th 2010
RF mixers are critical components that make up the modern transceivers used in 3G and 4G wireless infrastructure, communication gears and military systems. The receivers’ robustness depends on their dynamic range performance.
The LTC5540/41/42/43 family of RF downconverting mixers covering frequencies from 600MHz to ...
The Simple Way to Match to a High-Speed ADC Input - LTM9001
Jun 15th 2009
High-speed, high-resolution ADCs are critical components in communications and instrumentation applications. The interface between the final amplifier of the signal chain and the input pins of the ADC is challenging and time-consuming. Yet it is critical to the performance of the entire system. Traditionally, this requires ...
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