Keysight E4980A - Specifications

Keysight E4980A/AL User’s Guide -485
Scanner Interface
Specifications
Specifications
Specifications
Supplemental Performance Characteristics
Electrical Characteristics
Table F-1 Scanner Interface Specifications
Interface Connector Amphenol 14-pin connector
Maximum Number of Channels 128 (CH0 to CH127)
Output
Signal
/INDEX Analog measurement complete (1 bit)
/EOM Full measurement complete (1 bit)
Input Signal /CH0 to /CH7 8-bit parallel input signals for selecting the channel
/CH_VALID Signal valid or invalid for /CH0 to /CH7
EXT_TRIG External trigger signal
Multi-channel Correction The multi-channel correction function can store OPEN, SHORT, and
LOAD correction data for each channel independently and
compensate each channel. The correction data at 201 test
frequencies can be stored in a flash memory.
Table F-2 Input Signal Characteristics: Opto-isolated, negative true
Signal Name Input Voltage Rate External Pull-up
Voltage
Input Current
High Low
/CH0 to /CH7
/CH_VALID
Pull-up
Voltage
 1 V 5 to 15 V 5 to 20 mA
EXT_TRIG Pull-up
Voltage
 1 V 5 to 15 V 6.3 to15 mA
Table F-3 Output Signal Characteristics: Opto-isolated, negative true
Signal Name External Pull-Up Voltage Maximum Current
/INDEX
/EOM
Max. 15 V 6 mA