1.1 U5303A front panel features
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U5303A User's Manual
1.1 U5303A front panel features
Front panel connectors
Connector
Type
Description
TRG IN
MMCX female
External trigger input, 50 Ω DC terminated, ±5 V range.
IN 1, 2
SMA female
Analog signal inputs, DC-coupled and 50 Ω terminated.
The input Full Scale Ranges are selectable:
Voltage
1 V
FSR
2 V
FSR
Recommended maximum
operating voltage
±3 V
±4.3 V
Clamp level
±3.6 V
±6.3 V
Absolute maximum DC voltage
rating
±4.6 V
±5 V
JTAG
Micro USB
Provides connection to the DPU for specific reprogramming.
TRG OUT
MMCX female
Trigger Out signal. User selectable from several functions.
I/O 1, 2, 3
MMCX female
User configurable Input / Output signal. 3.3 V CMOS and
TTL compatible.
CLK IN
MMCX female
External clock input. AC coupled and 50 Ω terminated, signal
level: +5 to +15 dBm. Please refer to U5303A
for
details.
REF IN
MMCX female
External reference clock input, AC coupled and 50 Ω ter-
minated. It can accept a 100 MHz signal from -3 to +3 dBm.
Table 1.1
- List of U5303A front-panel IOs.
The ADC card can usually work with signals present at the external reference and clock inputs
(REF IN and CLK IN). However, to ensure the best performance, or if the calibration is found to be
unreliable, it is recommended to remove such signals when working with internal clock.
