Aeroflex PXI Studio - AEROFLEX - #9

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For the very latest specifications visit www.aeroflex.com Frequency Error Range Typically ±300 kHz GMSK (GSM) Typically ±100 kHz 8PSK (EDGE) Frequency Error Accuracy ±5 Hz + (Tx freq x freq standard error) SPECTRUM DUE TO MODULATION & SWITCHING This measurement determines the peak power and the time gated average power at up to 20 specified frequency offsets. Burst Type Normal Range offset Up to ±10 MHz Measurement Range (typical) Spectrum due to modulation GMSK 8PSK Carrier Frequency 1 GHz 2 GHz 1 GHz 2 GHz Frequency Offset dBc dBc dBc dBc 100 kHz -76 -70 -73 -67 200 kHz -81 -75 -78 -72 250 kHz -82 -76 -79 -73 400 kHz -83 -77 -80 -74 1.8 MHz -84 -79 -81 -76 6 MHz -85 -79 -82 -76 Spectrum due to switching GMSK 8PSK Carrier Frequency 1 GHz 2 GHz 1 GHz 2 GHz Frequency Offset dBc dBc dBc dBc 400 kHz -73 -67 -70 -64 1.8 MHz -74 -69 -71 -66 Indication Table of values; Reference power (dBm), frequency offset (Hz) and level (dBc) relative to reference power Accuracy Typically ±0.05 dB/10 dB(1) BER, BER II, RBER II, FER Measurement Results Mode C burst loopback Number of bits examined Number of error bits found Bit Error Rate (%) Mode A/B Speech loopback Number of frames examined Erased Speech Frames Speech Frame Erasure Rate (%) Notes (1) Excluding the effects of noise UMTS UL All specifications are defined when used in conjunction with the 3030 series PXI RF digitizer operating in all WCDMA 3GPP FDD bands. CONTROL PARAMETERS Scrambling Code 0 to 16777215 Power Control Mode Disable/Drive to level Analysis Mode Random or specific slot Specific Slot Number: 0 to 14 DPCCH slot format 0 to 3 SLOT POWER Measurement Range Up to +30 dBm at digitizer input Indication Average Power in dBm Slot Power in dBm (random or specific) OCCUPIED BANDWIDTH Measurement of the bandwidth containing 99% of the total power of the transmitted spectrum Indication Hz Accuracy <100 kHz SPECTRUM EMISSION MASK The spectral density of the transmitted signal should lie within the relevant spectral mask for each WCDMA 3GPP FDD band or a user defined mask. Measurement BW 30 kHz and 1 MHz depending on frequency offset Measurement Range ±12.5 MHz Indication Global Pass / Fail The worst case dBc level value and its corresponding frequency relative to the mask Traces FFT power spectrum and selected mask values PHASE DISCOINTINUITY Phase difference between measured slot and the preceeding slot Indication Degrees, slot number ADJACENT CHANNEL LEAKAGE RATIO ACLR due to modulation is the ratio of the channel power to the power measured in the upper and lower adjacent and alternate channel. Number channels Time domain: 1 to 5 Frequency domain: 1 to 5