ALLIED Vision Technologies Guppy PRO F-503 - Manual (Page 88)

Camera interfaces
Guppy PRO Technical Manual V4.0.0
86
PWM: minimal and maximal periods and frequencies
In the following formulas you find the minimal/maximal periods and frequen-
cies for the pulse-width modulation (PWM).
Figure 33: PulseWidth and Period definition
Note

Note the following conditions:
• PulseWidth
 Period
• Period
 MinPeriod
Formula 1: Minimal/maximal period and frequency
PulseWidth
Period
period
min
3µs =
frequency
max
1
period
min
----------------------
1
3µs
-------- 333.33kHz = = = 
frequency
min
1
2
16 6 –
10 s
------------------------- 15.26Hz = =
period
max
1
frequency
min
------------------------------ 2
16
µs = = 