Fig.1-2 Characteristics Of C.c. Mode; Fig.1-3 Characteristics Of C.r. Mode - Prodigit 3260A Series Operation Manual

2 PRODIGIT
Linear C.C. Mode
During Linear C.C. mode, the load current input into 3260A Series High Power Electronic
Load depends on the current setting regardless of the input voltage, e.g., the current setting
remains unchanged. Please refer to Fig.1-9. The load input current signal will follow input
voltage signal, That is useful for step wave-form and square wave-form device.
The LIN mode is within a AGC circuit and the control signal will response with input voltage.
We call it LIN mode.
The AGC circuit produces a constant amplitude output signal so long as the amplitude of the
input signal exceeds an adjustable reference voltage applied to the peak detector. The
reference voltage may be changed to change the range of input voltage resulting in a
constant-amplitude output.
The AGC circuit responds almost instantly to control a sudden increase in input voltage.
The AGC circuit is especially suitable for Step waveform, Square waveform and the input
voltage with distortion waveform.
C.R. Mode
During C.R. mode, the load current input into 3260A Series High Power Electronic Load
depends on the resistance setting. At this time, the load current is in direct proportion to input
voltage, e.g. the resistance setting remains unchanged. Please refer to Fig. 1.10 below
I
CC
CURRENT SETTING
LOAD
CURRENT
INPUT VOLTAGE

Fig.1-2 Characteristics of C.C. Mode

I
LOAD
CURRENT
INPUT VOLTAGE

Fig.1-3 Characteristics of C.R. Mode

V
RESISTANCE
SETTING
V