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2. Detailed Description
2.1 Operation
The UHD converter reference design has 5 BNC ports: 1 dedicated input (J1), 1 dedicated
output (J5) and three bidirectional ports (J2-J4). The bidirectional ports make the design
very flexible, minimizing the physical size of the design and reducing the BNC port
count.
The RDK-12GCONV board is powered from a 12V wall adapter, included in the kit.
This board is designed to aid users in the evaluation of Semtech 12G devices without
needing to connect to an external computer. Advanced features can be accessed
through the GUI by connecting the board via USB interface.
The UHD configuration modes can be selected using the rotary switch mounted on the
printed circuit board, or by software GUI via the USB port (J8). The selected mode can be
observed through the illuminated LEDs.
Table 2-1
illustrates the supported modes and associated LED indicators with each
mode selected.
Note: While turning the Mode selector, the output mode will be displayed as a Binary
Coded Decimal (BCD) value via the I/O Rate LEDs (see Mode Select column of
When the Mode selector is not in use, the mode/rate LEDs display the selected I/O rates
(see LEDs column of
Table
Table 2-1: Mode Selection
Green = locked input, Red = input unlocked, Blue = output, White (off) = unused port,
Yellow = pattern generator output mode indication
Mode Select (BCD)
Mode 1
Mode 2
Mode 3
RDK-12GCONV
Reference Design Kit User Guide
PDS-061593
2-1).
Mode
Pattern Generator
Single Link 6G
(colour bars)
Pattern Generator
Single Link 6G
(checkfield)
Pattern Generator
Single Link 6G
(luma/chroma ramp)
www.semtech.com
Rev.0
August 2017
Table
LEDs
Input Output
12G
12G
OUT
6G
6G
3G
3G
HD
HD
Input Output
12G
12G
OUT
6G
6G
3G
3G
HD
HD
Input Output
12G
12G
OUT
6G
6G
3G
3G
HD
HD
2-1).
I/O I/O I/O
IN
I/O I/O I/O
IN
I/O I/O I/O
IN
Proprietary & Confidential
Note
1
1
1
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