SECTION 2 SPECIFICATIONS
17
2.3.6 ANALOG INPUTS
Three Auxiliary Inputs are provided on J5, one per phase. The Auxiliary Inputs are AC coupled and
algebraically summed to the Oscillator signals produced by the UPC. Note that the Auxiliary Inputs can
be used as external inputs simply by programming the UPC for 0 VAC output.
Auxiliary Input voltage range (Vaux): ± 10Vpk (20Vpk-pk).
Input impedance: 600 ohms.
Small Signal Gain Bandwidth: > 100 kHz. (auxiliary inputs to UPC output)
Form 1 and 3:
Power source OUTPUT VOLTAGE = Vprogram + (Vaux x 25 x XFMRratio).
Form 2:
Power source OUTPUT VOLTAGE = Vprogram + (Vaux x 50 x XFMRratio).
Three AM Inputs are provided on J5, one per phase. Varying DC voltage may be used to Amplitude
Modulate the output.
AM Input voltage range (Vam): ± 10Vdc (20Vpk-pk).
Input impedance: 600 ohms.
Power source OUTPUT VOLTAGE = Vprogram + (Vam/10 x (204.5 x XFMRratio))
(The maximum voltage is limited by the output voltage range of the power source.
NOTE
: Attempting to drive the OUTPUT VOLTAGE beyond the voltage range of the
power source will result in a clipped (distorted) output waveform)
2.3.7 DIGITAL OUTPUTS
Digital outputs on J5 are 0 to 5 VDC, positive logic.
Logic outputs are:
Transient Pedestal: true when a transient is in progress
DRM: frequency generating clock,
1024, 512, 0r 256 times output frequency (see 2.1.1)
SYNC OUT: Positive Zero Crossing (0º) of Phase A analog output
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