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OPTIMOD-AM Digital TECHNICAL DATA
6-1
Section 6
Technical Data
page contents
6-2 Specifications
6-5 Circuit Description
6-5 Overview
6-5 16.384MHz Oscillator and System Clocking
6-7 Control Circuits
6-9 User Control Interface and LED Display Circuits
6-10 Input Circuits
6-13 Output Circuits
6-15 DSP Circuits
6-17 Power Supply
6-19 Parts List
6-20 Obtaining Spare Parts
6-27 Vendor Codes
6-28 Schematics, Assembly Drawings
6-47 Abbreviations
6-2 TECHNICAL DATA Orban 9200
page
Specifications
It is impossible to characterize the listening quality of even the simplest limiter or compres-
sor on the basis of the usual specifications, because such specifications cannot adequately
describe the crucial dynamic processes that occur under program conditions. Therefore, the
only way to meaningfully evaluate the sound of an audio processor is by subjective listening
tests.
Certain specifications are presented here to assure the engineer that they are reasonable, to
help plan the installation, and to help make certain comparisons with other processing
equipment. Some specifications are for features that are only available on the 9200.
Installation
Analog Audio Input
Configuration: One monophonic input.
Impedance: Electronically balanced 600 or >3.6k load impedance, jumper-selectable.
Dynamic Range: >90dB.
Common Mode Rejection: 70dB at 50-60Hz. 45dB at 60Hz-9.5kHz.
Sensitivity: -20dBu to +20dBu to produce 10dB gain reduction at 1kHz, software- and jumper-
adjustable.
Maximum Input Level: +27dBu.
Connector: XLR-type, female, EMI-suppressed. Pin 1 Chassis Ground, Pins 2 (+) and 3
electronically balanced, floating and symmetrical.
A/D Conversion: 18-bit.
Filtering: RFI-filtered.
Analog Audio Output
Configuration: Two monaural outputs for use with two transmitters, with separate level control
and output amplifiers.
Source Impedance: 365,