User manual

Overview
The ADC-8032B is a 10-bit broadcast quality decoder with a 12-bit analog to digital converter. It is
specifically designed for broadcast or production situations in which an analog PAL-B, PAL-M, PAL-
N, or NTSC composite signal must be converted to a component SDI signal. Four SDI outputs are
provided.
The ADC-8032B fits into the Ross 8000 series digital frames, with four cards in the DFR-8104A
(1RU), and up to ten cards in the DFR-8110A (2RU). Please refer to the frame User Manual for
specific ventilation and cooling instructions to maintain optimum operating conditions. This card also
fits into Leitch* FR-6800 series frames to provide you with greater installation versatility.
The ADC-8032B is available in two different models:
• ADC-8032B - The base model decoder includes Proc Amp, Line Delay, and Line
Synchronizer modes.
• ADC-8032B-S - The “S” model includes a Frame Synchronizer, along with all the
features available on the ADC-8032B
The ADC-8032B-S version comes with a full featured frame synchronizer, capable of synchronizing
incoming video to house reference. Various timing modes are available to accommodate most
situations. New techniques in frame synchronization contribute to the board’s low power
requirements and compact design. The complete circuit for the ADC-8032B, including a 12-bit A-D
converter, decoder, frame (or line) synchronizer, serializer, tracking delay pulse, and microprocessor is
contained on a single DA-sized card. Additional daughter cards are not required.
A rich set of features is instantly accessible using simple card-edge switches and controls in
conjunction with a concise Heads-Up Display. The ADC-8032B’s 10-bit decoding process provides
excellent performance with all types of picture sources. In order to achieve the highest level of
precision, all signal processing and decoding is performed entirely in the digital domain. The decoder
uses adaptive 3D, 3-line, and 5-line filters with advanced control algorithms.
To simplify configuration, the ADC-8032B offers a Heads-Up Display for most board-level
adjustments. This display is especially convenient during setup, and for programming several ADC-
8032B cards with identical configurations. With the display enabled, the parameter currently being
adjusted has its value super-imposed over all board outputs.
Functional Block Diagram
Input
Filter &
Clamp
Input
Filter &
Clamp
Input
Filter &
Clamp
Input
Filter &
Clamp
Input
Filter &
Clamp
Input
Filter &
Clamp
Input
Filter &
Clamp
Input
Filter &
Clamp
3/5-Line/3D
Adaptive
Decoder
12-Bit
ADC
Alternate Reference
EDH
Insertion
& SDI
Serializer
Frame
Synchronizer
(-S Version)
TTL Tracking
Delay pulse
Master
Reference
SDI OUT
Color Black
Reference Loop
External Frame
Reference IN
NTSC
PAL-B
PAL-M
PAL-N
Analog IN:
Line
Synchronizer
Tracking OUT
Color Black
Reference IN
Figure 1. Simplified Block Diagram of ADC-8032B Functions
* Leitch is a trademark of Leitch Technology Corporation
1-2 • Introduction ADC-8032B User Manual (Iss. 02B)