Evenflo 900646TSENSA - User Manual

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 2 1.0 General Description 1.1 Product Description The Equipment Under Test (EUT) is a Transmitter operating at 927.2MHz and 927.6MHz. The EUT is powered by 120VAC to 6VDC 150mA non-removable adaptor. It is a baby unit of RF baby Monitor System, and i...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 3 1.3 Test Methodology Both AC mains line -conducted and radiated emission measurements were performed according to the procedures in ANSI C63.4 (2001). All measurements were performed in Open Area Test Sites. Preliminary scans were performed in the ...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 5 2.0 System Test Configuration 2.1 Justification The system was configured for testing in a typical fashion (as a customer would normally use it), and in the confines as outlined in ANSI C63.4 (2001). The EUT was powered from 120VAC to 6VDC 150mA no...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 6 2.4 Equipment Modification Any modifications installed previous to testing by Evenflo Company, Inc. will be incorporated in each production model sold/leased in the United States. No modifications were installed by Intertek Testing Services. 2.5 Me...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 8 3.0 Emission Results Data is included worst case configuration (the configuration which resulted in the highest emission levels). A sample calculation, configuration photographs and data tables of the emissions are included.

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 9 3.1 Field Strength Calculation The field strength is calculated by adding the reading on the Spectrum Analyzer to the factors associated with preamplifiers (if any), antennas, cables, pulse desensitization and average factors (when specified limit ...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 10 3.1 Field Strength Calculation (cont’d) Example Assume a receiver reading of 62.0 dBµV is obtained. The antenna factor of 7.4 dB and cable factor of 1.6 dB is added. The amplifier gain of 29 dB is subtracted. The pulse desensitization factor of th...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 11 3.2 Radiated Emission Configuration Photograph Worst Case Radiated Emission at 927.200 MHz For electronic filing, the worst case radiated emission configuration photograph is saved with filename: config photos.doc.

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 12 3.3 Radiated Emission Data The data on the following page lists the significant emission frequencies, the limit and the margin of compliance. Numbers with a minus sign are below the limit. Judgement: Passed by 0.6 dB TEST PERSONNEL: Signature Jess...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 13 Company: Evenflo Company, Inc. Date of Test: 16 June-July 5, 2004 Model: Evenflo 6461500 Table 1 Radiated Emissions Polarization Frequency Reading Pre- Antenna Net Limit Margin (MHz) (dBµV) Amp Factor at 3m at 3m (dB) Gain (dB) (dBµV/m) (dBµV/m) (...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 14 3.4 Conducted Emission Configuration Photograph Worst Case Line -Conducted Configuration For electronic filing, the worst case line -conducted configuration photograph are saved with filename: config photos.doc.

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 15 3.5 Conducted Emission Data For electronic filing, the graph and data table of conducted emission is saved with filename: conduct.pdf. Judgement: Passed by more than 20 dB TEST PERSONNEL: Signature Jess Tang, Engineer Typed/Printed Name August 12,...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 17 4.0 Equipment Photographs For electronic filing, the photographs of the tested EUT are saved with filename: external photos.doc & internal photos.doc.

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 19 5.0 Product Labelling For electronic filing, the FCC ID label artwork and the label location are saved with filename: label.pdf.

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 21 6.0 Technical Specifications For electronic filing, the block diagram and schematics of the tested EUT are saved with filename: block.pdf and circuit.pdf respectively.

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 23 7.0 Instruction Manual For electronic filing, a preliminary copy of the Instruction Manual is saved with filename: manual.pdf. This manual will be provided to the end -user with each unit sold/leased in the United States.

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 25 8.0 Miscellaneous Information This miscellaneous information includes details of the bandedge plot, the test procedure and calculation of factors such as pulse desensitization and averaging factor.

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 26 8.1 Bandedge Plot For electronic filing, the plot shows the fundamental emission when modulated with 1kHz and 100dBSPL, 10cm from the Microphone of EUT and unmodulated are saved with filename: bw.pdf. From the plot, the field strength of any emiss...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 27 8.2 Discussion of Pulse Desensitization The determination of pulse desensitivity was made in accordance with Hewlett Packard Application Note 150-2, Spectrum Analysis ... Pulsed RF.

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 28 8.3 Emissions Test Procedures The following is a description of the test procedure used by Intertek Testing Services in the measurements of transmitters operating under Part 15, Subpart C rules. The test set-up and procedures described below are d...

INTERTEK TESTING SERVICES FCC ID: EHK900646TSENSA 29 8.3 Emissions Test Procedures (cont'd) The EUT is warmed up for 15 minutes prior to the test. AC power to the unit is varied from 85% to 115% nominal and variation in the fundamental emission field strength is recorded. If battery powered, a new, ...