RF Central MICROLITE User manual

MICROLITE RECEIVER
HD/SD COFDM Dual Diversity Receiver
User Manual
IMT PUBLICATION: M23-0005-00A, REV 1.1

MicroLite Receiver User Manual
Revision 1.1 2
Revision History
Date
Revision
Modified by
Description
May 16, 2011-
June 13, 2011
0.0D
Dave Anderson
(Mike Hardy)
Initial Writing
August 8th. 2011
0.1D
Mike Hardy
Ongoing updates and clarifications
October 12, 2011
0.2D (BETA)
Mike Hardy
Clarified future dual-band option
11/05/2011
.3D
Sean Van
Added Theory of Operation and Description
11/27/2011
.4D
Sean Van
Added Formats, formatting, and
Specifications
01/05/2011
.5D
Sean Van
Updated FCC and CE
01/23/2011 –
02/06/12
.6D
Sean Van
Updated, added up to date drawings,
updated specifications and formatting.
Updated operational data.
02/07/2012
1.0
Sean Van
Review and Initial Release
02/14/2012
1.1
Sean Van
Changed Chapter 4 to Installation and
Operation. Added Figure 4.1
MicroLite Receiver
User Manual
Publication: M23-0005-00A
IMT, LLC.
200 International Drive
Mt. Olive, NJ, 07828, USA.
T [phone] F [phone]
www.imt-solutions.com

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We make every effort to ensure our documentation is as accurate and as complete as possible. In the event that you find any errors or
omissions, please contact Customer Tech Support at [phone], or via email at [e-mail].
© Copyrighted 2012 - IMT, LLC - Mount Olive, New Jersey 07828
NOTICE
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.”

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microLite Receiver
User Manual
Contents
1Introduction___________________________________________________________________ 7
1.1 Manual Overview_________________________________________________________________ 7
2MICROLITE Description____________________________________________________________ 9
2.1 microLite Features and Benefits _____________________________________________________ 9
2.2 Frequency Bands ________________________________________________________________ 11
2.3 microLite Receiver Theory of Operation ______________________________________________ 11
2.3.1 Dual Antenna Inputs_____________________________________________________________________ 12
2.3.2 Dual Microwave Receiver COFDM Demodulator Circuits ________________________________________ 12
2.3.3 Maximal-Ratio Combining Circuit __________________________________________________________ 12
2.3.4 MPEG4 Decoder ________________________________________________________________________ 13
2.3.5 Video Outputs__________________________________________________________________________ 13
2.3.6 Audio Outputs__________________________________________________________________________ 13
2.3.7 User Data Output _______________________________________________________________________ 13
2.3.8 Video over IP Encapsulation for Streaming Video ______________________________________________ 13
2.3.9 Faceplate Status Display and Preset User Interface ____________________________________________ 13
2.4 Remote Control and Firmware _____________________________________________________ 13
2.4.1 Remote Control via Ethernet ______________________________________________________________ 13
2.4.2 Remote Control via RS-232 _______________________________________________________________ 14
2.4.3 Firmware updates_______________________________________________________________________ 14
3Specifications_________________________________________________________________ 16
3.1 Frequency Bands and RF Performance _______________________________________________ 16
3.2 Modulation Modes_______________________________________________________________ 16
3.3 Diversity _______________________________________________________________________ 16
3.4 MPEG 4 Decoder ________________________________________________________________ 16
3.4.1 Video _________________________________________________________________________________ 16
3.4.2 Audio _________________________________________________________________________________ 16
3.5 System ________________________________________________________________________ 17
3.6 Power Requirements _____________________________________________________________ 17
3.7 Environmental __________________________________________________________________ 17
3.7.1 Temperature Range _____________________________________________________________________ 17
3.7.2 Altitude _______________________________________________________________________________ 17
3.7.3 Physical Characteristics __________________________________________________________________ 17
3.8 User Interface and Remote Control__________________________________________________ 17
4Installation __________________________________________________________________ 19

MicroLite Receiver User Manual
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4.1 Overview ______________________________________________________________________ 19
4.2 Identifying MLR Physical Features and Interfaces ______________________________________ 19
4.3 Physical Installation ______________________________________________________________ 21
4.4 Connect External Signals __________________________________________________________ 22
4.4.1 Audio and Video ________________________________________________________________________ 22
4.4.2 Power ________________________________________________________________________________ 22
4.4.3 RS232 Control and User Data______________________________________________________________ 22
4.4.4 ASI Out _______________________________________________________________________________ 22
4.5 Connect Antennas _______________________________________________________________ 23
5Operation ___________________________________________________________________ 25
5.1 Power up the MicroLite Receiver ___________________________________________________ 25
5.2 Pre-Configure the MLR user options _________________________________________________ 25
5.3 Control and LED Interface _________________________________________________________ 25
5.3.1 Buttons:_______________________________________________________________________________ 26
5.3.2 Status Indicators: _______________________________________________________________________ 26
5.4 Using the MLR to Receive Audio and Video ___________________________________________ 26
5.5 Verify Operation_________________________________________________________________ 26
5.6 Streaming Video over IP/Ethernet __________________________________________________ 27
5.7 Using the MLR to Receive User Data_________________________________________________ 27
5.8 Maintenance Information _________________________________________________________ 27
Figures
Figure 2-1: Internal Block Diagram __________________________________________________________________ 12
Figure 4-1: Output Connectors ______________________________________________________________________ 20
Figure 4-3: MLR Antenna Connectors_________________________________________________________________ 23
Figure 5-1: Front Panel Controls and Indicators ________________________________________________________ 25
Tables
Table 2-1: MICROLITE RECEIVER - Summary of Features and Benefits ________________________________________ 10
Table 2-2: MLR Frequency Bands____________________________________________________________________ 11
Table 4-1: Output Connectors_______________________________________________________________________ 20
Table 4-2: Remote Control / User Data Pinout __________________________________________________________ 22

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Chapter One
1
Introduction

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1Introduction
This document is a user manual for RF Central’s microLite Receiver [MLR]. The MLR is a
compact, narrowband COFDM microware receiver that utilizes dual antenna diversity for robust,
error free signal reception. The MLR is ideal for applications requiring a full featured high
performance HD or SD receiver housed in a compact enclosure. ASI, HD-SDI, SD-SDI,
Composite video, User Data and streaming video outputs are available from the MLR. The MLR
uses industry standard output connectors for compatibility with a wide range of AV equipment.
1.1 Manual Overview
Throughout this manual, the product is referred to as the “microLite”, the “microLite Receiver”,
the “MLR”, “microLite RX”, or simply the “receiver.”
The contents of this manual are as follows:
Chapter 2 –Describes the features and theory of operation of the MLR receiver.
Chapter 3 –Contains a list of product specifications. The specifications include the
receiver’s frequency bands, channels, demodulator specifications, decoding
specifications, size, power requirements, environmental specifications, and
I/O specifications.
Chapter 4 –Explains how to install the product.
Chapter 5 –Describes operating procedures for the receiver using the push button user
interface built into the unit.
The rear of the manual contains warranty and repair information.

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Chapter Two
2
Description

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2MICROLITE Description
This chapter describes the MLR features and theory of operation. It also includes a block diagram
of the MLR and a description of the internal circuits.
2.1 microLite Features and Benefits
Table 2-1 summarizes key features and benefits of the MLR.
The microLite Receiver is a receiver that utilizes advanced silicon tuners and dual antenna inputs
for robust, error free signal reception. The MLR can receive either HD or SD video
transmissions using COFDM modulated microwave signals. The MLR uses maximal-ratio
combining to take advantage of its dual antennas.
The silicon tuners employed in the microLite Receiver includes low noise amplification,
automated gain control, mixing, tuning, and demodulation functions on one integrated circuit.
This facilitates low power, high performance, and space savings.
The microLite Receiver contains a built-in, industry compliant, MPEG4 (H.264 part 10) decoder.
The MLR can output ASI, HD-SDI, SD-SDI, or Composite video, as well as User Data. Stereo
audio is included on the ASI and SDI outputs, and the MLR has left and right audio output jacks.
The MLR features a 100 Mbps Ethernet LAN interface for streaming video over IP. This feature
uses UDP/IP and allows received video to be viewed remotely using MPEG4 decoder software
on a personal computer. A compatible MPEG4 decoder that runs on your remote host PC is
required for this application.
The top panel of the microLite Receiver has signal strength, status, and monitoring LEDs that
provide useful information at a glance. The user interface also features a selector button for
choosing between 16 pre-programmed configurations called “Presets”.
Though the unit ships pre-configured, a graphical user interface that runs on a Windows PC is
available to modify the operating parameters.
IMT has the ability, should the need ever arise, to provide the user with firmware files and
instructions for local firmware installation, such as for feature upgrades, etc.

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Table 2-1: MICROLITE RECEIVER - Summary of Features and Benefits
Feature
Benefit
COFDM HD and SD
Microwave Receiver
COFDM facilitates high data rates and robust signal reception.
Receives both high definition and standard definition video
transmissions.
Dual Antenna Diversity Using
Maximal-Ratio Combining
Best aspects of the transport stream received using either antenna is
used, yielding robust, error free reception.
MPEG4 (H.264 part 10)
Video Decoder
Industry standard video decoding.
Integrated with IMT maximal-ratio combining scheme.
ASI, HD-SDI or SD-SDI, and
Composite Video Outputs
Compatible with industry standard A/V equipment.
SDI format switches automatically between HD and SD.
User Data Channel
An RS-232 data channel is received along with the program streams.
Stereo Audio Line Outputs
Line audio outputs for connection to headphones, an amplifier, or
recorder. Audio is also available in ASI and SDI outputs.
Remote Control
Via RS-232 Serial Interface
The MLR is pre-programmed for its operating environment using a
built-in web GUI via LAN or optional Remote Control Windows PC
GUI.
Faceplate User Interface with
Presets and Status LED’s
Users can quickly select one of 16 pre-programmed preset
configurations. This is through the programmable serial interface or
by using the optional front panel user interface.
Status and Alarm information is available at a glance.
Rugged, Compact Housing
Integrated in small form factor.

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2.2 Frequency Bands
The microLite Receiver is available in the following bands:
Table 2-2: MLR Frequency Bands
Base Part Number
Frequency (GHz)
21MLR
2.025-2110
23MLR
2.200-2.400
58MLR
5700-6000
2.3 microLite Receiver Theory of Operation
Major blocks in the MLR diagram include:
Dual Antenna Inputs
Dual Microwave Receiver and COFDM Demodulator Circuits
Dual Input Maximal Ratio Combining Circuit
MPEG4 Video Decoding Circuit
Video Output Interfaces: ASI, SDI, and Composite Video
Left and Right Audio Output Interfaces
Preset Selection and Status Monitoring User Interface (Optional)
Programmable Serial Interface and Internal Control CPU With Flash Memory
Interface For Firmware Upgrades
Power Circuitry
Refer to Figure 2-1: Internal Block Diagram for following discussion.

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Figure 2-1: Internal Block Diagram
2.3.1 Dual Antenna Inputs
The MLR has two SMA antenna input connectors. The input impedance of the antenna
connectors are 50 ohms.
The frequency band supported by the antenna connectors are labeled next to the antenna
inputs.
2.3.2 Dual Microwave Receiver COFDM Demodulator Circuits
The MLR is capable of receiving COFDM transmissions from compatible products in
multiple bands. The receiver standards supported by the MLR support high data rates
with low error rates.
Each antenna input is filtered and amplified by a low noise amplifier. The output of the
amplifier is filtered again at the input of the RF receiver circuit. The receiver mixer
down converts the received signals to the internal IF frequency.
The COFDM demodulator is programmable to support transmission modes offering
different data rates (Refer to Chapter 5 for more information). The output of the
COFDM demodulator circuits contains transport streams carrying audio, video, and user
data.
2.3.3 Maximal-Ratio Combining Circuit
This feature enhances the robustness of the receiver when line of site obstructions occur
in the transmission path.

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2.3.4 MPEG4 Decoder
The MLR contains a built-in MPEG4 (H.264 part 10) compliant decoder. The decoder
audio and video output is available on the SDI output jack. Both HD-SDI and SD-SDI
are output on the SDI jack.
2.3.5 Video Outputs
Video output jacks include:
ASI –MPEG4 encoded transport stream
SDI –HD-SDI and SD-SDI audio and video
Composite Video –The MLR composite video output circuit automatically
outputs either NTSC or PAL, per the user specified settings.
2.3.6 Audio Outputs
The MLR has left and right audio line output jacks. Stereo audio is also part of the ASI
and SDI video outputs. The Audio output jacks are 75 Ohm RCA connectors.
2.3.7 User Data Output
A data channel is transmitted with the audio and video information. Access of the data
channel is through the RS-232 serial interface output connector. The baud rate and other
RS-232 parameters are programmable.
2.3.8 Video over IP Encapsulation for Streaming Video
The MLR features a 100 Mbps Ethernet LAN interface for streaming video over IP.
This feature allows received video to be viewed remotely using MPEG4 decoder
software on a personal computer.
2.3.9 Faceplate Status Display and Preset User Interface
If you commonly use several configurations in the field, the faceplate LED preset
settings and “Set” selector button provide a quick way to change pre-programmed
configurations. Status information is also presented by LED’s. Refer to Chapter 5 for
more information.
The Preset configurations are pre-programmed using the Remote Control Windows PC
GUI or Web GUI interface. To program a preset, adjust any of the settings within the
MLR, and then save the current group of settings by assigning a Preset number. The
Presets are recalled by using either the faceplate user interface or the Remote Control
PC GUI or the Web GUI interfaces.
2.4 Remote Control and Firmware
2.4.1 Remote Control via Ethernet
An Ethernet port allows remote control of all configuration options, as well as
monitoring of internal status and settings.
The IMT NanoController GUI is available for controlling the unit via the Ethernet port.
Any Windows compatible computer running Windows XP/Vista/7 with 500 MB of
memory and 1 GHz Pentium or above can be used. Refer to Chapter 5, “Operation” for
more information.

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2.4.2 Remote Control via RS-232
An RS-232 command set is implemented to allow remote control of all configuration
options, as well as monitoring of internal status and settings. Commands and responses
are sent via the RS-232 serial interface on the 9-pin connector.
The IMT NanoController GUI is available for controlling the unit via the RS-232 serial
interface. Any Windows compatible computer running Windows XP/Vista/7 with 500
MB of memory and 1 GHz Pentium or above can be used. Refer to Chapter 5,
“Operation” for more information.
2.4.3 Firmware updates
Update unit firmware via the Ethernet interface. Contact IMT Tech Support for
additional details.

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Chapter Three
3
Specifications

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3Specifications
3.1 Frequency Bands and RF Performance
Base Part Number
Frequency (GHz)
23MLR
2.025-2.500
58MLR
5.725-5.850
Tuning step size: 250 KHz
Frequency stability: ± 10ppm
3.2 Modulation Modes
Modes are auto detected within modulation format
Modulation Formats: COFDM (DVB-T)
Carriers: 2K
Constellation: QPSK, 16QAM, 64 QAM
Code Rate: 1/2, 2/3, 3/4, 5/6, 7/8
Guard Interval: 1/32, 1/16, 1/8, 1/4
Bandwidth: 6 MHz, and 8 MHz
3.3 Diversity
Dual Receivers
Channels: 2 input Maximum Ratio Combining
3.4 MPEG 4 Decoder
3.4.1 Video
Method: MPEG-4 Part 10/H.264
Video Coding; AVC
Video Output; Composite and SDI
SD-SDI output: ANSI/SMPTE 259M
HD-SDI output: ANSI/SMPTE 292M
3.4.2 Audio
Audio Channels: 1 Stereo, 2 Mono
Audio Coding: ISO/IEC 11172-3(Layer I/II)
Audio Sample Rate: 48Khz
Audio Output Levels: Direct line output or adjustable gain output.
Embedded Audio: Available in SDI as embedded audio

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3.5 System
ASI Output: Auto output rate follows modulation
or fixed output user selectable
(PCR Retime stamp)
User Data: RS232 Side channel; 300-115K Baud
Latency (*using MicroLite Transmitter):
o4 frames in Low Latency Mode for all
formats except PSF
o5 frame in Low Latency Mode for PSF
formats
Ethernet: 100 Mbps Ethernet interface.
Streaming Video: Streaming MPEG-TS over UDP/RTSP
Remote Control: Via LAN and/or PC GUI
3.6 Power Requirements
Input range: DC: +9 to +32
Power consumption: 9W Typical
3.7 Environmental
3.7.1 Temperature Range
Full specification: -10° to 50°C Ambient
Storage: -40° to 80°C
Humidity: 0 to 95% non-condensing
3.7.2 Altitude
Operating: 20,000ft (6,000 m)
Storage: 50,000ft (15,000 m)
3.7.3 Physical Characteristics
Size: 3.7" x 5" x 1.5"
Weight: 620g/1.4lbs
3.8 User Interface and Remote Control
One button control (16 user defined presets)
Remote RS232
WEB GUI

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Chapter Four
4
Installation and Operation

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4Installation and Operation
4.1 Overview
This chapter contains steps for installing the MicroLite Receiver in typical environments where it
may be used.
4.2 Identifying MLR Physical Features and Interfaces
4-1: microLite Outline Drawing

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Figure 4-2: Output Connectors
Table 4-1: Output Connectors
Item
Description
Connectors
Left, Right
Audio Line Outputs
75 Ohm RCA
SDI
HD-SDI or SD-SDI Output
BNC
Video
Composite Video (PAL or NTSC)
BNC
ASI
Encoded Video Output
BNC
DC In
Power Supply Input
2.5mm jack
Ethernet Port
100mbps LAN Interface
RJ45
Remote / User Data
RS-232 Connector
DB-9