BW10-310A
Version 1.6 / 02-09-2022
Page 9
Bandwidth
10
, LTD
www.bandwidth10.com
7. For AC-tuning i.e. sweeping the tuning voltage select
Arbitrary
in the Vt type box and click
select
.
The
selection
will change to
“
A
”
and the manual tuning voltage will be greyed out.
Please select the preferred swept function and enter the upper and lower voltage limits. The upper
and lower values are rounded to the nearest voltage setting supported by the hardware. Click
update
to toad the values into the microcontroller.
You need to set the sweep frequency by entering a sweep rate from 50Hz to 120KHz. Please use
only whole numbers, i.e. do not use comma / decimal points.
You can start the voltage swept by clicking start sweep. The voltage settings and waveform shape
cannot be changed once a sweep is in progress.
We recommend checking the sweep signal (i.e. shape, frequency and voltage) with an oscilloscope.
Note that you cannot use BNC-T- adaptors to check the voltage on the oscilloscope while sweeping
the laser.
Note that the voltage values entered in the GUI are just indications, i.e. the voltage is not calibrated
and might be off by up to 2 Volts. Due to the low-pass filter of the amplification chain the box can
currently support good SQRT shapes up to 75KHz.
