5.3.3 Two-Channel Function Generator Settings
Table 5-1. Two-Channel Function Generator Settings
MODE
FREQUENCY
DUTY
DELAY
HIGH
LOW
OUTPUT
IMPEDANCE
Channel A
Pulse
DC ~ 5 MHz
50%
0 ns
3.3 V
0 V
High Z
Channel B
100 ns
5.3.4 Oscilloscope Setting
Table 5-2. Oscilloscope Settings
BANDWIDTH
COUPLING
TERMINATION
SCALE SETTINGS
INVERTING
Channel A
500 MHz or above
DC
1 MΩ or automatic
10× or automatic
OFF
Channel B
5.3.5 Jumper (Shunt) Settings
There are two jumpers (shunts) need to be installed before test:
1. Install shunt #1 for header
J3-DIS
on pin EN/DIS-GND for the UCC21520EVM shown in
. For the
UCC20520EVM, UCC21521CEVM and the UCC21530EVM, refer to
. The UCC20520EVM is set
as disable high on the DIS pin while the UCC21521CEM and UCC21530EVM is set as enable high on the
EN pin.
2. Install shunt #2 on header
J4-DT
on pin VCCI-DT as shown in
.
Figure 5-1. Jumpers Installation Position
Test Summary
6
Using the UCC21520EVM-286, UCC20520EVM-286, UCC21521CEVM-286,
and UCC21530EVM-286
SLUUBG8C – NOVEMBER 2018 – REVISED OCTOBER 2021
Copyright © 2021 Texas Instruments Incorporated