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E6833A

Wireless Communications Test Set

HP => Agilent Technologies 

Fast Device Tune Measurement

Measurement method

Allows simultaneous calibration

of a device’s transmitter output

power and receiver input level

across level and frequency in a

single sweep (per frequency

band). The device must operate

in a test mode, which forces it

to transmit a predefined series

of power steps at various

reverse link frequencies, and

simultaneously tune its receiver

to perform measurements (such

as RSSI) of the test set’s signal

at various forward link

frequencies and power levels

Measurement range

–65 dBm/1.23 MHz to

+28 dBm/1.23 MHz

Measurement interval

1.25 ms

Measurement filter

1.23 MHz brick wall

Step size range

5 to 20 ms

Trigger sources

Immediate and RF rise

Output level setting (to be within 0.1 dB of the final power level)

Amplitude switch

< 1 ms, typically < 250 µs

Frequency switch

< 1 ms, typically < 500 µs

within band

Measurement accuracy1 (within 45 dB of expected power with

< 48 hours warm-up before self alignment initiation)

–54 to +28 dBm/1.23 MHz < ±0.75 dB, typically < ±0.3 dB

–61 to < –55 dBm/1.23 MHz < ±0.85 dB, typically < ±0.3 dB

RF source output level range

RF in/out port

–115 dBm/1.23 MHz to

–15 dBm/1.23 MHz

RF out only port

–115 dBm/1.23 MHz to

–5 dBm/1.23 MHz

Composite absolute output level accuracy (< ±10 °C and

< 24 hours from the last alignment, –108 to –15 dBm/1.23 MHz)

RF in/out port

< ±1.0 dB, typically ±0.65 dB

RF out only port

< ±1.0 dB, typically ±0.65 dB

RF output level settling

< 1 ms to be within 0.1 dB of the

final value

1. Additional accuracy error when using RF OUT ONLY port is < ±0.1 dB.

5

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