Summary of Contents for Rosen 9100452
- Page 1 Rosen Entertainment Systems LLC 8/30/2005 Rosen Entertainment Systems Wireless FM Transmitter Part# 9100458 User Guide Rosen FMT. Part # 9100458...
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Page 2: Table Of Contents
Interface board wiring diagram ..........5 Interface / Pinout Definition............6 Design considerations ..............6 Appendix 1: Frequency Table ............7 Appendix 2: Sample Code ............8 Example Code ................8 Appendix 3: Schematic Diagram...........10 Appendix 4: Specifications............11 Rosen FMT. Part # 9100458... -
Page 3: General Description
Rosen Entertainment Systems LLC 8/30/2005 General Description Rosen’s FMT module, part# 9100458 is a 12-channel FM transmitter designed to transmit audio signals over the FM frequency band to enable users to listen to audio from an independent video system over the existing car audio system via the radio. -
Page 4: Block Diagram
Rosen Entertainment Systems LLC 8/30/2005 Block Diagram The block diagram below shows the main components of the FMT module and how they are interconnected. BH1417F Stereo 19KHz 7.60MHz Pre-Scalar Pre-Scalar Divide Ratio Antenna Rosen FMT. Part # 9100458... -
Page 5: Operating Guide
Repeat steps 4 & 5 through all the 12 available FM transmission frequencies. For full details see appendix 1 To stop FM transmission, switch off the +5VDC supply. Interface board wiring diagram Rosen FMT. Part # 9100458... -
Page 6: Interface / Pinout Definition
OSD, to indicate which channel the transmitter is currently set to. In order to disable the FM transmission as well as removing the 5VDC supply, the data lines (SEL2_A, SEL1_A, and Load) should be held low. Rosen FMT. Part # 9100458... -
Page 7: Appendix 1: Frequency Table
88.9 MHz < no setting > { 7 is a meaningless value } 106.7 MHz 106.9 MHz 107.1 MHz 107.3 MHz 107.5 MHz 107.7 MHz 107.9 MHz <no setting> { 15 in a meaningless value } Rosen FMT. Part # 9100458... -
Page 8: Appendix 2: Sample Code
*** FMT DEVICE UPDATE PROCESS *** // verify that new station is to be programmed // reset counter SEL1_A = 0; < delay 2 microseconds > SEL1_A = 1; // increment counter until desired station is achieved Rosen FMT. Part # 9100458... - Page 9 // do the following for each increment of the station // example: the following 3 lines should be done 3 times to set 88.3 SEL2_A = 0; < delay 2 microseconds > SEL2_A = 1; // store new station in EEPROM Rosen FMT. Part # 9100458...
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Page 10: Appendix 3: Schematic Diagram
KV-1471E KDV154A 0.001uF 1000pF 27pF 10uF/16V 100uF/16V 2SD2142K 10uF/16V -6dB <OrgName> <OrgAddr1> <OrgAddr2> <OrgAddr3> <OrgAddr4> Schematic; Wirless FMT; Transmiter and Control Size CAGE Code DWG NO <Cage Code> <Doc> Scale Sheet Friday, August 27, 2004 Rosen FMT. Part # 9100458... -
Page 11: Appendix 4: Specifications
Appendix 4: Specifications Operation power supply voltage 4.8 ~ 5.2 V DC Transmission Frequency 88.1 ~ 88.9Mhz, 106.7 ~ 107.9 Mhz. Step 200Khz Operating Temperature 0 ~ 60° C Dimensions 70mm x 34mm x 11mm Rosen FMT. Part # 9100458...