S8ABDAFF-RWireless Door Chime (RX)

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www.tuv.com Appendix 4 Prüfbericht - Nr.: Test Report No. 14010143 001 Seite 1 von 10 Page 1 of 10 Yellow rectangule shows tht location of the FCC label with compliance statement.

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www.tuv.com Test Report No.: 14010143 001 Date: 04.07.2005 Page 2 of 11 Test Summary Spurious Radiated Emissions Result: Pass www.tuv.com Test Report No.: 14010143 001 Date: 04.07.2005 Page 3 of 11 Contents General Remarks ...................................................................................................4 Complementary Materials..............................................................................................................4 List of Test and Measurement Instruments.........................................................5 General Product Information ................................................................................6 Product Function and Intended Use.............................................................................................6 Circuit Description .........................................................................................................................6 Ratings and System Details ..........................................................................................................6 Independent Operation Modes......................................................................................................7 Submitted Documents ...................................................................................................................7 Related Submittal(s) Grants ..........................................................................................................7 Test Set-up and Operation Mode..........................................................................8 Principle of Configuration Selection ............................................................................................8 Test Operation and Test Software ................................................................................................8 Special Accessories and Auxiliary Equipment ...........................................................................8 Countermeasures to achieve EMC Compliance..........................................................................8 Test Methodology ..................................................................................................9 Radiated Emission .........................................................................................................................9 Field Strength Calculation .............................................................................................................9 Test Results .........................................................................................................10 Spurious Radiated Emissions Section 15.109 .......................................................................10 www.tuv.com Test Report No.: 14010143 001 Date: 04.07.2005 Page 4 of 11 General Remarks Complementary Materials All attachments are integral parts of this test report. This applies especially to the following appendix: Appendix 1: Test Results Appendix 2: EUT External Photo Appendix 3: EUT Internal Photo Appendix 4: Schematics. Appendix 5 Test Setup Photo www.tuv.com Test Report No.: 14010143 001 Date: 04.07.2005 Page 5 of 11 List of Test and Measurement Instruments Kind of Equipment Manufacturer Type S/N Test Receiver Rohde & Schwarz ESVS30 842807/009 Biconical Antenna Rohde & Schwarz HK116 841489/015 Log.-Periodic Antenna Rohde & Schwarz HL223 841516/017 Double Ridge Horn Antenna EMCO 3115 9002-3351 Double Ridge Horn Antenna EMCO 3115 9002-3347 Signal Generator Rohde & Schwarz SMY 01 844146/024 www.tuv.com Test Report No.: 14010143 001 Date: 04.07.2005 Page 6 of 11 General Product Information Product Function and Intended Use The equipment under test (EUT) is a wireless doorbell receiver. The EUT generates music when receiving a signal from the corresponding doorbell transmitter which operated at 315MHz with FCCID S8ABDAFF. The receiver of models DB-2133, DB-2132, DB-3133, DB-3132, DB-3131, DB-2131 have the same circuit diagram, but only cabinet is different with each other. For details, please refer to the attached photos in Appendix 4. FCC ID S8ABDAFF-R Models Product description DB-2133, DB-2132, DB-3133, DB-3132, DB-3131, DB-2131 Wireless Doorbell Each model number mentioned above consists of one transmitter and one receiver. This test report and the FCCID are issued to the receiver only. The transmitter is used with the receiver of models DB-2133, DB-2132, DB-3133, DB-3132, DB-3131 and DB-2131. Hence the difference between the six model numbers is only the receiver difference only. Circuit Description 1) Before transmission, codes are matched on both receiver and transmitter. 2) The carrier of TX is received. 3) Signal is being amplified at the location of Q6, Q7, Q8. 4) Signal is then transferred to U3 decoder 5) The frequency that is transmitted from U3 will be amplified by the transistor in Q2 and this makes the speaker sound. Ratings and System Details Receiver Frequency range : 315MHz +/- 0.5MHz Number of channels : 1 Type of antenna : Integral antenna Power supply : Battery operated 4.5V, type C 1.5X3 Ports : none Protection Class : III Equipment Class : B www.tuv.com Test Report No.: 14010143 001 Date: 04.07.2005 Page 7 of 11 Independent Operation Modes The basic operation modes are: - Select a matched code with transmitter first - Insert the battery and the EUT will be in standby mode For further information refer to User Manual Submitted Documents The submitted documents are listed as follow: - Circuit diagram - Block diagram - User manual - FCC ID label artwork Related Submittal(s) Grants This is a single application for certification of the receiver. www.tuv.com Test Report No.: 14010143 001 Date: 04.07.2005 Page 8 of 11 Test Set-up and Operation Mode Principle of Configuration Selection Emission: The equipment under test (EUT) was configured to measure its highest possible radiation level. The test modes were adapted accordingly in reference to the instructions for use. Test Operation and Test Software T…

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