E1993A Datasheet, PDF (11/40 Pages) Keysight Technologies – W-CDMA Mobile Test Application

11 | Keysight | E1963A W-CDMA Mobile Test Application - Technical Overview
HSPA RF analyzer (measurements only)
Real-time demodulation of: Uplink – DPCH, HS-DPCCH, E-DCH
Tx measurements
Channel power measurement
Input signal modulation: QPSK and 16QAM
Measurement bandwidth
–– RRC filter off: Measured with a bandwidth greater than (1 + a) x chip rate,
where a = 0.22 and chip rate = 3.84 Mcps
–– RRC filter on: Measured with a filter that has a root-raised cosine (RRC) filter
response with roll-off a = 0.22 and a bandwidth equal to the chip rate 3.84 MHz
centered on the active uplink channel)
Measurement range: –61 to +28 dBm/3.84 MHz
Measurement interval: Settable from 0.01 to 12 ms
Measurement accuracy (at ±10 °C from the calibration temperature):
–– < ±1.0 dB (typically < ±0.5 dB) for measurement intervals of 333 μs to 12 ms over 698 to 1024 MHz,
1400 to 1500 MHz, and 1700 to 2000 MHz,
–– < ±1.0 dB (typically < ±0.55 dB) for measurement intervals of 333 μs to 12 ms over 2480 to 2580 MHz,
–– < ±1.0 dB (typically < ±0.6 dB) for measurement intervals of 67 to < 333 μs over 698 to 1024 MHz,
1400 to 1500 MHz, and 1700 to 2000 MHz
Measurement triggers: Auto, immediate, protocol, RF rise, external, and HS-DPCCH
http://wireless.keysight.com/rfcomms/refdocs/wcdma/wcdma_meas_chanpow_desc.html
Phase discontinuity
Measurement method: The measured results include the phase discontinuity (defined as the phase
difference of adjacent timeslots) as well as all waveform quality results for each timeslot
Input power level range:
–– Phase discontinuity: –61 to +28 dBm/3.84 MHz
–– Other measurements: –25 to +28 dBm/3.84 MHz
Input frequency ranges: 800 to 1000 MHz, 1700 to 1990 MHz
Phase discontinuity range: ±180°
EVM range: 0 to 35% rms
Phase discontinuity measurement accuracy:
–– < ±2.4° (typically < ±1.7°) for input levels of –25 to +28 dBm/3.84 MHz
–– < ±2.6° (typically < ±1.9°) for input levels of –51 to < –25 dBm/3.84 MHz