Product Information
883
ADC
The ADCs (analog-to-digital converters) convert analog signals fed to the
receiver and converted into IF signals (R
1
, R
2
, .... , R
n
and T
1
, T
2
, .... , T
n
)
into digital signals. One ADC is available for each signal and the conversion
takes place simultaneously.
Digital Filter
The digital filter performs a discrete Fourier transformation (DFT) and picks
up IF signals. Each IF signal is then converted into a complex number that
has a real part and an imaginary part. The IF bandwidth of the analyzer is
equivalent to the bandwidth of the DFT filter. The IF bandwidth can be set
in the range of 10 Hz ~ 100 kHz.
IF Range Correction
Input signals that went through ranging at the receiver are reverted
(corrected) to previous values before the ranging.
Ratio Calculation
The ratio between two signals is determined by performing divisions on
complex numbers. In the case of absolute measurements (Option 008),
the ratio of complex number can not be calculated.
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