Bts code domain power measurement application – Atec Rohde-Schwarz-FSH-Z1 User Manual

Page 13

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Version 08.00, June 2011

Rohde & Schwarz R&S

®

FSH4/FSH8 Spectrum Analyzer 13

R&S

®

FSH-K46 CDMA2000

®

BTS pilot channel and EVM measurement

application
R&S

®

FSH-K46E CDMA2000

®

BTS code domain power measurement

application

The specifications below apply to the R&S

®

FSH4 and R&S

®

FSH8. They are based on the data sheet specifications of the R&S

®

FSH4

and R&S

®

FSH8, have not been checked separately and are not verified during instrument calibration. Measurement uncertainties are

indicated as 95 % confidence intervals. The specified level measurement errors do not take into account systematic errors due to
reduced signal-to-noise ratio (SNR).

Measurements R&S

®

FSH-K46 R&S

®

FSH-K46E

Spectrum overview

Result summary

RF channel power

Rho

Carrier frequency error

Active channels

Composite EVM

Peak to average

Pilot channel power (Cd 0)

Sync channel power (Cd 32)

Code domain power

RF channel power

Pilot power

Sync power (rel. to RF ch. pwr./pilot)

Code power (rel. to RF ch. pwr./pilot)

Carrier frequency error

Rho –

Composite EVM

PN offset found

Code domain channel table

Channel type

Walsh code/spreading factor

Symbol rate (ksps)

RC –

Status –

Power absolute (dBm)

Power relative (rel. to RF ch. pwr./pilot) –

PN scanner

Detected PN offset

Power per detected PN Offset

All specifications are valid for RC3, one traffic channel, SNR > 30 dB, +15 °C to +35 °C.

Frequency range

15 MHz to 3.0 GHz

Carrier frequency uncertainty, nominal values
Lock range

±10 kHz

Measurement uncertainty

SNR > 30 dB,
Δf

ref

= uncertainty of reference frequency

< 10 Hz + Δf

ref

RF channel power


frequency > 15 MHz

preamplifier = OFF

–60 dBm < P

RF channel

< 20 dBm

Measurement range

preamplifier = ON

–75 dBm < P

RF channel

< 20 dBm

Measurement uncertainty

–75 dBm < P

RF channel

< 20 dBm,

ref. level adjusted to RF channel power

< 1 dB, typ. 0.5 dB

PICH power

SNR > 30 dB

Measurement range

–40 dBm < P

RF channel

< 20 dBm

P

RF channel

– 20 dB < P

PICH

< P

RF channel

Measurement uncertainty

P

RF channel

– 20 dBm < P

CPICH

< P

RF channel

< 1 dB, typ. 0.5 dB

F-SYNC power

SNR > 30 dB

Measurement range

–40 dBm < P

RF channel

< 20 dBm

P

RF channel

– 20 dB < P

SYNC

< P

RF channel

Measurement uncertainty

P

RF channel

– 20 dBm < P

SYNC

< P

RF channel

< 1 dB, typ. 0.5 dB

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