Agilent Technologies E4418B - Table 2-4 TTL Inputs Timing Diagram 2

Power Meter Operation 2
E4418B Power Meter User’s Guide 37
T4 Time for zero/cal operation to complete. Zero: 10 s (8480 Series)
12 s (E-Series)
20 s (N8480 Series exclude
Option CFT)
8 s (N8480 Series with Option
CFT)
Cal: 6 s (8480 Series)
7 s (E-Series)
9 s (N8480 Series exclude
Option CFT)
6 s (N8480 Series with Option
CFT)
All timings based on 100 ms firmware polling.
Table 2 - 4 TTL Inputs Timing Diagram 2
Timing of zero/cal inputs for condition “00”.
Time Description Value
T5 Maximum time between inputs going low. 100 ms
T6 Minimum overlap of low inputs. 200 ms
Table 2 - 3 TTL Input Timing Diagram 1
Inputs
Operation
T5
T6
T7
T8