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SubAudible

Tone Decoder

Model: Sub-03

CircuitWerkes

Technical Manual

CircuitWerkes

3716 SW 3

rd 

Place · Gainesville, FL 32607

(352) 335-6555  · Fax (352) 331-6999

c   1997  CircuitWerkes All Rights Reserved. All information contained within is proprietary.

No part of this manual may be reproduced or copied without the express written consent of CircuitWerkes.

Summary of Contents for Sub-03

Page 1: ...Manual CircuitWerkes 3716 SW 3rd Place Gainesville FL 32607 352 335 6555 Fax 352 331 6999 c 1997 CircuitWerkesAllRightsReserved Allinformationcontainedwithinisproprietary Nopartofthismanualmayberepro...

Page 2: ...Notes...

Page 3: ...es Important Note regarding program content If your subaudible tone decoder is connected to a source that delivers more than one program and one or more of the programs delivered does not contain suba...

Page 4: ...le Tone Decoder The subaudible Tone Decoder s Front Panel is shown below Connector CN4 Relay and Enable Connections Tone Detected LED s for Combo 35 and 25 Hz tones Audio IN Level Audio Present LED co...

Page 5: ......

Page 6: ...25Hz Present LED 25 35Hz Present LED 35Hz Present LED Audio Out Level and Clip LED Audio Out Audio Out Level and Clip LED Audio Out Power Jack and Power LED Main 25Hz Null adjust Secondary 25Hz Null a...

Page 7: ...Sub 3 Subaudible Tone Decoder Schematic...

Page 8: ...h in turn feeds the balanced output amps comprised of U5 and its associated components Another comparator LED circuit hangs off the end of the output amp and is set to illuminate when the audio output...

Page 9: ...he frequency of the signals being fed during the alignment process The audio level of the tone source should be between 10 and 0 dBm If the signal is unbalanced be sure to tie ring and sleeve on the i...

Page 10: ...7 CircuitWerkesLimitedWarranty This product is warranted against defects for two years from date of purchasefromCircuitWerkesandCircuitWerkesauthorizeddistributors Within this period we will repair it...

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