TFT 460 Digital Sudio to Transmitter Link User Manual SECTION I

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Document ID	513363
Application ID	jWLWFnzyARQa4Hgus4iTlQ==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
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Filesize	12.19kB (152419 bits)
Date Submitted	2005-02-08 00:00:00
Date Available	2005-02-08 00:00:00
Creation Date	2005-01-18 11:52:03
Producing Software	Acrobat Distiller 5.0.5 (Windows)
Document Lastmod	2005-01-24 14:54:14
Document Title	SECTION I
Document Creator	Acrobat PDFMaker 5.0 for Word
Document Author:	Joseph Holmes

SECTION I
GENERAL INFORMATION
1.1
INTRODUCTION
This Model 460 Digital STL Transmitter User’s Guide is arranged in eight sections, as follows:
Section I: General Information
A general description of the DIGITAL Transmitter, its specifications, general information on the FCC designator, warranty
and damage claim procedures, and technical support information.
Section II Getting To Know Your Model 460 and Related Equipment
Overview of the various system components of the DIGITAL Transmitter and related equipment. Control and Indicator
functions, basic component functions, and their interconnection.
Section III: Pre-Installation Checkout
Some basic test methodology on the DIGITAL Transmitter and its related equipment. The user should find it useful to perform
the tests in this section with all the DIGITAL Transmitter equipment on a lab bench.
Section IV: Programming The DIGITAL Transmitter
Detailed description of setup procedures of various DIGITAL Transmitter system parameters, as well as enabling of optional
features.
Section V: Installation
Instruction for installing and adjusting various system components of the DIGITAL Transmitter.
Section VI: Theory of Operation
TBD.
Section VIII: Theory of Operation
Basic description of I/O control circuits.
Section VIII: Maintenance and Repair
Describes routine maintenance procedures and tools and equipment requirements.
1.2
EQUIPMENT DESCRIPTION
The DIGITAL Transmitter is part of a combined Digital Studio to Transmitter Link that provides broadcasters with six
uncompressed program channels and a data channel to meet the requirements of consolidated operations. It provides the
maximum number of high quality program channels over a single RF channel.
The TFT Digital STL consists of a transmitter and receiver pair that accommodates up to three AES/EBU (stereo) inputs
or up to six discrete audio channels. The transmitter has a 2-Watt output and delivers them uncompressed in a
configurable digital method to the receiver. Sample rates of 32, 44.1, and 48 ks/s are supported. The method of
modulation is a function of the number of channels and sample rate and is configurable from a front panel jack that can
be connected to a laptop PC. The RF system is frequency agile and set by software in the transmitter and receiver.
The frequency and input/output configuration of both the transmitter and receiver can be set for optimum values of
threshold and modulation via a laptop PC that can be connected to a modem. User-friendly software with a graphical
user interface (GUI) is provided with each system. The transmitter and receiver can be remotely controlled over an
internet or LAN connection.
1.3
SPECIFICATIONS
The DIGITAL Transmitter performance and physical specifications are listed in Table 1.3-1.
1-1
Table 1.3-1. DIGITAL TRANSMITTER Specifications
SYSTEM
Frequency ................................ 940-960 MHz (other frequencies available)
Step Size .................................. 12.5 kHz
Frequency Stability.................. ± 5 ppm (±0.0005)%
Occupied Bandwidth ............... ≤ 500 kHz
I/O............................................ AES/EBU (XLR, 110Ω)
Analog (XLR, 600Ω)
Linear
Channels
Sample Rate
(ks/s)
Modulation
Type
32
256 QAM
48
256 QAM
44.1
256 QAM
32
64 QAM
48
16 QAM
44.1
16 QAM
32
BPSK
Frequency Response ................ 0.5 Hz to 22.5 kHz (48 ks/s)
0.5 Hz to 15 kHz (32 ks/s)
Distortion ................................. < 0.005% at 1 kHz
Noise........................................ > 92 dB
Dynamic Range ....................... 90 dB static
Crosstalk .................................. < 80 dB
Time Delay .............................. < 1 msec
Data Channel ........................... 9600 baud, 9-pin, RS-232
TRANSMITTER
Output Power........................... > 2 Watts (nominal)
Output Impedance.................... 50 .
Output Connector .................... Type N (female)
PC Interface ............................. Front Panel 9-pin RS-232
Analog Audio Inputs ............... 600/10 kΩ selectable
Analog Levels.......................... – 10 to + 18 dBm adjustable
AES/EBU Inputs...................... 110Ω (Transformer Balanced)
MECHANICAL AND ENVIRONMENTAL
Dimensions .............................. 19 x 3.5 x 17 (inches) 48.3 x 8.9 x 43.2 (cm)
Weight ..................................... 20 lbs. (9 kg)
AC Power Requirements ......... 120/240 VAC 50/60 Hz
Transmitter............................... 100 Watts
Operating Temperature............ 0° to +50° C.
1-2
1.4
FCC DESIGNATOR
Type Certification under FCC Part 74 has been submitted. The FCC emission designator is 500KD7W. The FCC ID is
BIO460.
1.5
WARRANTY INFORMATION
The following warranty policy and limitations are applicable to the Model 460 Digital STL Transmitter.
TFT, Inc. warrants each manufactured Model Digital Studio to Transmitter Link Transmitter to meet published
specifications and to be free from defects in material and workmanship. TFT will repair or replace, at its expense, for a
period of one (1) year from the date of shipment of equipment, all parts which are defective from faulty material or
workmanship. This Warranty does not cover equipment which has been misused and/or altered by the user. Units found
to be defective during the warranty period shall be returned to TFT with transportation charges prepaid by the BUYER.
It is expressly agreed that replacement and repair shall be the sole remedy of the SELLER with respect to any
non-conforming equipment and parts thereof, and shall be in lieu of any other remedy available by applicable law. All
returns to the factory must be authorized in advance by TFT. Upon examination by the factory, if any DIGITAL
Transmitter Equipment is found to be defective, the unit will be repaired and returned to the BUYER with transportation
charges prepaid by TFT during the warranty period. Transportation charges for the Encoder and Decoder units found to
be defective within the first 30 days of the warranty period will be paid both ways by TFT . Transportation charges for
warranty returns wherein failure is found not to be the fault of TFT or one year after the delivery of the equipment shall
be paid both ways by the BUYER. This warranty does not apply to equipment which, in the opinion of the SELLER, has
been altered or misused.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. TFT IS NOT LIABLE FOR ANY
CONSEQUENTIAL DAMAGES.
1.6
CLAIMS FOR DAMAGE IN SHIPMENT
Your instrument should be inspected and tested by the method given in Section 2.2 of this manual as soon as it is
received. If the instrument is damaged in any way or fails to operate properly due to transportation damage, file a claim
with the carrier or, if insured separately, with the insurance company.
1.7
TECHNICAL SUPPORT
OUR CUSTOMER SERVICE FOR EAS PRODUCTS IS AVAILABLE FROM 8:00AM TO 5:00PM PACIFIC TIME
MONDAY THROUGH FRIDAY. PLEASE CONTACT US IF YOU NEED ASSISTANCE
TFT, Inc.
1953 Concourse Drive
San Jose, CA 95131-1731
Tel: (408) 943-9323 Fax: (408) 943-9218
Email: techsupport@TFTInc.com
1-3

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