M9063A KEYSIGHT | Alldatasheet
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– Demodulate AM, FM, PM, or FM stereo/RDS signals – Quad view, simultaneously displays RF spectrum, demodulated waveform, AF spectrum, and demodulating metrics – Results for MPX, mono, stereo, left and right channel of FM stereo signal, and RDS/RBDS decoding – Selection of post-demod filters – PC-based SCPI remote interface and manual user interface – Built-in context sensitive help with SCPI command reference – Transportable license supports up to four PXI VSA channels in one mainframe Keysight Technologies M9063A Analog Demodulation X-Series Measurement Application for PXIe Vector Signal Analyzers Technical Overview
to a higher frequency (carrier signal). information carried in the FM signals. the screen of the end-user's device. wireless LAN and WiMAX™ devices. and manufacturing costs are critical. Table 1. Analog modulation formats with benchtop analyzer SCPI programming compatibility.
With the analog demodulation measurement application, you can perform analog modulation analysis on various radio transmitting devices. The analysis includes: – RF spectrum of the modulated signal – Demod waveform (time-domain view of the baseband signal). FM stereo can view MPX, mono, stereo, left or right demod wave - forms. – AF spectrum (i.e., frequency- domain view of the baseband signal). FM stereo can view MPX, mono, stereo, left or right AF spectrum. – Modulation metrics – AM depth – FM deviation – Phase deviation – Carrier power – Carrier frequency error (FM and PM only) – Modulation rate – Distortion/total Vrms – Signal to noise and distortion ratio (SINAD) – Total harmonic distortion (THD) – Left to right ratio – Mono to stereo ratio – 38 kHz pilot frequency error and phase error – RDS/RBDS decoding (includ - ing BLER, basic tuning and switching info, radio text, program item number and slow labeling codes, clock time, and date) Measurement details RF spectrum of the modu- lated signal This is the most traditional spectrum analyzer measurement viewing the modulated carrier signal power in frequency domain. Prior to being modulated, the signal power of a sinusoidal carrier concentrates at the carrier frequency. By contrast, the modulated signal presents the power redistribution over frequencies. Its pattern depends upon the modula - tion format. (Refer to Figure 2.) Demod waveform This measurement retrieves the baseband signal from the modulated signal via the demodulation process, and displays the baseband signal in a pattern of modulation depth/devia - tion versus time. Since the modu - lation depth/deviation is directly proportional to the instantaneous amplitude of the baseband signal, the measurement result helps to intuitively evaluate the quality of the baseband signal. (Refer to Figure 3.) AF spectrum By applying the fast Fourier trans - form (FFT) to the baseband wave - form, this measurement demon - strates the baseband signal behaviors in frequency domain graphically. The AF spectrum reveals the distortion of the baseband signal clearly just as the RF spectrum does for the RF signal. (Refer to Figure 4.) Modulation metrics AM depth The AM depth measurement quanti - fies the amount of amplitude modu - lation to which the baseband signal modulates the carrier signal. The AM depth, also refers to AM modulation index (m), and is defined as: Emax - Emin Emax + Emin where, Emax and Emin are ampli - tudes (in voltage) of the modulated signal at its peak and trout, respec - tively, in time-domain. The AM depth ranges from 0 to 100%. FM deviation The FM deviation reflects the amount of the frequency modulation to which the baseband signal modulates the carrier signal. The quantity being measured is the peak frequency devi - ation that is the maximum frequency excursion from the carrier frequency. Phase deviation The phase deviation, also referred to PM deviation, is a measure of the amount of the phase modulation. The quantity being measured is the peak phase deviation (in radians) that is the maximum phase excursion from the average carrier phase. FM and PM are two forms of angle modulation. They are closely related, as phase is the time integral of the frequency, and frequency is the time derivative of phase. Carrier power This measures the power of the car - rier signal without the modulation. Ideally, power for a sinusoidal carrier signal is concentrated around its car - rier frequency. Analog demodulation measurements
Figure 2. The RF spectrum view presents the modulated signal along with the results of lated signal by modulation processes. its nominal frequency value. (Pk-Pk)/2 values is recommended. more desirable than the peak value.
lable via the IEC/IEEE bus or LAN, using SCPI commands. Table 2. One-button measurements provided by the M9063A measurement application.
- • • • Left to right ratio (dB) • Mono to stereo ratio (dB) • 38 kHz carrier power (dB) • 38 kHz freq error (Hz) • RDS/RBDS decoding • BLER • Basic tuning and switching Info • Radio text • Program item number and slow labeling code Clock time and date •
Ordering information
Transportable, perpetual license: This allows you to run the application using an embedded PXI PC control - ler or external PC, plus it may be transferred from one controller or PC to another. One software license supports up to four modular PXI VSA channels in one PXI mainframe. The table below contains information on our transportable, perpetual licenses. For more information, please visit the product web pages. M9063A analog demodulation X-Series measurement application Description Model-Option Additional information Analog demodulation M9063A-2TP FM stereo/RDS M9063A-3TP Try before you buy! Free 30-day trials of X-Series measurement applications provide unrestricted use of each application’s features and functionality on your modular PXI VSA. See www.keysight.com/find/M90XA for more information. You can upgrade! Options can be added after your initial purchase. All of our X-Series ap - plication options are license-key upgradeable. Measurement consistency you can trust Did you know that X-Series measurement applications for modular instruments use the same measurement algorithms and programming commands as the bench top applications? This means you will get consistent measurement results if you use Keysight bench top and modular equipment across the product development cycle. Learn how this consistency and programming compatibility will increase the efficiency of your product development cycle. www.keysight.com/find/measurementconsistency
– N9063A & W9063A Analog Demodulation , Self-Guided Dem- onstration, literature number 5990-5921EN – Spectrum Analysis Amplitude and Frequency Modulation , Ap- plication Note 150-1, literature number 5954-9130EN – N9063A & W9063A Analog Demod , Measurement Guide, part number: N9063-90006 – M9391A PXIe Vector Signal Analyzer Datashee t, literature number 5991-2603EN – M9391A & M9381A PXIe Vector Signal Analyzer & Generator Configuration Guide, literature number 5991-0897EN – X-Series Measurement Applications for Modular Instruments Brochure, literature number 5991-2604EN Web – Product page: www.keysight.com/find/M9063A – X-Series measurement applications: www.keysight.com/find/M90XA – X-Series signal analyzers: www.keysight.com/find/X-Series – M9391A PXIe vector signal analyzer www.keysight.com/find/M9391A – M9393A PXIe performance vector signal analyzer www.keysight.com/find/M9393A Recommended hardware configuration M9391A PXIe vector signal analyzer configuration Model-Option Description Notes M9391A-F03, -F06 3 GHz or 6 GHz frequency range One required M9391A-B04, -B10, or -B16 40 MHz, 100 MHz or 160 MHz analysis bandwidth One required. -B16 recommended for fast - est spectrum measurements with 89600 VSA software Option SSA. M9391A-300 PXIe frequency reference Recommended. M9391A-UNZ Fast tuning Recommended. Highly recommended for fastest spectrum measurements with 89600 VSA software Option SSA. M9391A-M01, -M05, or -M10 Memory options (512 MB, 2 GB, or 4 GB) Recommend 1 Gsa/4 GB memory M9393A PXIe performance vector signal analyzer configuration Model-Option Description Notes M9393A-F08, -F14, -F18, or -F27 8 GHz, 14 GHz, 18 GHz, or 27 GHz frequency range One required M9393A-B04, -B10, or -B16 40 MHz, 100 MHz or 160 MHz analysis bandwidth One required. -B16 recommended for fast - est spectrum measurements with 89600 VSA software Option SSA. M9393A-300 PXIe frequency reference Recommended. M9393A-UNZ Fast tuning Recommended. Highly recommended for fastest spectrum measurements with 89600 VSA software Option SSA. M9393A-M01, -M05, or -M10 Memory options (512 MB, 2 GB, or 4 GB) Recommend 1 Gsa/4 GB memory
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