Local Operation Overview - DBM ACE9600 Operating Manual

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Lo c a l Op e ra tio n Ove rvie w
ACE600
Operations Manual
Advanced Channel Emulator
Local Operation Section
The ACE9600 is a laboratory instrument designed to apply
impairments to an RF signal, simulating the effects that are encountered
in a space based and/or terrestrial wireless channel. The link
impairments include a) delay, b) frequency offset (carrier Doppler
shift), c) attenuation, d) phase offset, and optionally e) white noise f)
frequency selective multipath fading, and g) tunable L-Band frequency
control. The optional hardware impairments include a) distortion
effects- AM/AM, AM/PM, harmonic distortion and intermodulation b)
group delay variation, c) amplitude ripple variation, d) phase noise, and
e) spurious signals.
The instrument is fully controllable from either the front panel or
remotely via LAN. The local front panel control is implemented via an
8.4" touch display graphic display.
On power-up, the state of the instrument is static mode. The input
signal will pass through the instrument, and the current effects, as
displayed on the front panel, are applied to the signal.
When in dynamic mode, the user can select data files that control the
impairment values, changing them at a given update rate. The user
selects either an internal parameter update rate or applies an external
update clock to set the time intervals. Each rising edge of the update
clock causes the next point in the data file to be implemented. An
external start signal can also be used to accurately trigger the execution
of the data files.
Using the touch panel typically requires touching a soft key to enact its
function, or touching a value field to enable editing of that value.
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