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Spectrum analyzer

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Block diagram

Spectrum analyzer

Block diagram

Overview

Our integrated circuits and reference designs help you design precise high-speed data acquisition systems for the next generation of spectrum analyzers.

Design requirements

    Next-generation spectrum analyzer designs often require:

  • High-resolution, high-speed digitizers to achieve a wide bandwidth.
  • Ultra-low noise clocking to achieve low skew and high horizontal resolution.
  • High-speed signal chain that allows for low noise and simple interface to the digitizer.
  • Low-noise power supplies to achieve high sensitivity and dynamic range.
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Block diagram

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Spectrum analyzer

Clocking Clocking Input buffer Inputbuffer PLL PLL Jitter cleaner Jittercleaner Clock distribution Clockdistribution Wired interface Wired interface USB USB DVI/VGA/HDMI DVI/VGA/HDMI LAN LAN IEEE488 IEEE488 RF front end RF front end High speed ADC High speedADC RF amp RFamp Triggering Triggering Port calibration Port calibration Amp Amp Mixer Mixer VGA VGA MIxer MIxer Pwr det Pwrdet LO LO REF REF Precision ADC PrecisionADC Precision DAC PrecisionDAC RF atten RF atten Memory Memory DDR termination regulator DDR terminationregulator Wireless interface Wireless interface Wi-Fi Wi-Fi Digital processing Digital processing FPGA FPGA System processor (Arm®+DSP) System processor(Arm®+DSP) Signal isolation Signal isolation Digital isolators Digital isolators Signal input/output protection Signal input/output protection ESD protection ESD protection Input user interface Input user interface Knob & key pad Knob &key pad Push button ctrl Push button ctrl Self diagnostics/monitoring Self diagnostics/monitoring Precision ADC PrecisionADC DAC DAC Amp Amp Amp Amp Sensor Sensor Sensor Sensor Output user interface Output user interface Speaker Speaker LEDs LEDs Buzzer Buzzer Input power protection Input power protection eFuse eFuse Isolated AC/DC power supply Isolated AC/DC power supply Offline & isolated DC/DC controllers & converters Offline & isolatedDC/DC controllers& converters Non-isolated DC/DC power supply Non-isolated DC/DC power supply DC/DC DC/DC LDO LDO PMIC PMIC Supervisor Supervisor Sequencer Sequencer Power FETs Power FETs External clock External clock RF input port RF input port Ext trigger input Ext trigger input Ext trigger output Ext trigger output

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