User's Manual

1
SYSTEM DESCRIPTION
The Field-Coder II system is a portable 1W digital transmitter for wireless transmission of video, audio,
and user defined private data. Built on the same platform as the field proven Carry-Coder II, the FCII has
many of the same features and capabilities.
Figure 1 FCII Architecture Block Diagram
The FCII supports 2 audio (analog) inputs and one video (CVBS, SDI or ASI) input. The FCII includes an
MPEG2 encoder and a DVB-T compliant COFDM modulator. Both MPEG and COFDM parameters are
fully configurable by the system controller in support of optimum performance and compatibility with
other equipment. For those users less familiar with detailed COFDM and MPEG settings, there are 3 preset
robustness settings (low, mid and high) that each optimize video performance at the expense of modulation
complexity. High robustness provides the lowest quality video but is able to operate in severely
compromised locations. Low robustness provides the best quality video but may require a clear line of sight
shot.
An auxiliary data channel is provided that can be configured to transmit data (GPS, etc.) at baud rates up to
9600 bps.
The FCII can be controlled directly through the Front Panel or remotely.
Configurations of the FCII
The FCII can be used:
• Independently – when supplied with +12 to + 32 VDC
• With the FCII-AC (AC to DC Power Converter) – to power the FCII from AC source
• With Both the FCII-MAX and FCII-AC – FCII-AC powers both the FCII and FCII-MAX