The FSIQ signal analyzer family was developed specially for examining the physical parameters of wideband CDMA signals, besides supporting the measurements used for previous transmission modes. 3 models and frequency ranges FSIQ 3: 20 Hz to 3.5 GHz FSIQ 7: 20 Hz to 7 GHz FSIQ 26: 20 Hz to 27 GHz Amplitude measurement range: –155 to 30 dBm Amplitude display range: 1 to 200 dB, linear Amplitude measurement error: <1 dB up to 2.2 GHz, <1.5 dB from 2.2 to 7 GHz, <2 dB from 7 to 26.5 GHz Modulation measurement error: EVM <1% rms (typ.) for 4.096 Mchip/s (W-CDMA) Resolution bandwidths: 1 Hz to 10 MHz in steps of 1, 2, 3, 5 Calibration: autocalibration by internal routines Display: 24 cm colour TFT LC display, VGA resolution Remote control: IEC 625-2 (SCPI 1994.0) or RS-232-C