Measurement Operations & Settings Signal Conditioning
148 Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition
Signal Conditioning

The commands in this section allow you to control Ag ilent 8156x, and

8157x Attenuator modules

The INPut and OUTput commands

command: :INPut[n][:CHANnel[m]]:ATTenuation
syntax: :INPut[n][:CHANnel[m]]:ATTenuation<wsp><value>[dB] | MIN | DEF | MAX
description: Sets the attenuation f actor (α) for the instrument. The at tenuation factor is used, together
with an offset factor (α Offset ) to set t he filter attenuation (
α
filter ).
α
(new) (dB) =
α
filter (new) (dB) +
α
Offset (dB)
Set the attenuation factor by sending a value (the def ault units are dB), or by sending MIN,
DEF, or MAX.
parameters: <value> [dB]
MIN | DEF
MAX
The attenuation in dB.
The values where
α
filter = 0dB
The value where
α
filter is at its greatest.
response: none
example: INP1:ATT 14dB
affects: All attenuator modules
command: :INPut[n][:CHANnel[m]]:ATTenuation?
syntax: :INPut[n][:CHANnel[m]]:ATTenuation?<wsp> MIN | DEF | MAX
description: Returns the current attenuation factor (α), in dB.
α
(dB) =
α
filter (dB) +
α
Offset (dB)
parameters: MIN | DEF | MAX Returns the minimum, default, or maximum value of the attenuation fac-
tor possible.
response: 4 byte Intel floating point; attenuation in dB.
example: INP1:ATT? 14<END>
affects: All attenuator modules