Evenflo 315463WMHFGATE - User Manual

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 2 1.0 General Description 1.1 Product Description The Equipment Under Test (EUT) is a Transmitter operating at 315MHz. The EUT is powered by 9V d.c. (1 x 9V “1604A” battery). It transmits control signal to the corresponding receiver and the gate as...

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 3 1.3 Test Methodology Radiated emission measurements were performed according to the procedures in ANSI C63.4 (2003). All measurements were performed in Open Area Test Sites. Preliminary scans were performed in the Open Area Test Sites only to det...

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 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 (2003). The EUT was powered from 1 x 9V new "1604A...

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 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: EHK315463WMHFGATE 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 limi...

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 11 3.2 Radiated Emission Configuration Photograph Worst Case Radiated Emission at 3148.400 MHz For electronic filing, the worst case radiated emission configuration photograph is saved with filename: radiated photos.doc.

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 13 Applicant: Evenflo Company, Inc. Date of Test: November 2, 2005 Model: evenflo 4631010&4631020(WM) Table 1 Radiated Emissions Polarization Frequency Reading Antenna Pre- Average Net Limit Margin (MHz) (dBµV) Factor Amp Factor at 3m at 3m (dB...

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 15 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: EHK315463WMHFGATE 17 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: EHK315463WMHFGATE 19 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: EHK315463WMHFGATE 21 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: EHK315463WMHFGATE 23 8.0 Miscellaneous Information This miscellaneous information includes details of the measured bandwidth, the test procedure and calculation of factors such as pulse desensitization and averaging factor.

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 24 8.1 Measured Bandwidth For electronic filing, the plot shows the fundamental emission when modulated is saved with filename: bw.pdf. From the plot, the bandwidth is observed to be 603 kHz, at 20 dBc where the bandwidth limit is 787 kHz. Therefor...

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 25 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. The effective period (T eff ) was approximately 0.3 ms for a di...

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 26 8.3 Calculation of Average Factor Averaging factor in dB = 20 log (duty cycle) The specification for output field strengths in accordance with the FCC rules specify measurements with an average detector. During testing, a spectrum analyzer incor...

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 27 8.4 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...

INTERTEK TESTING SERVICES FCC ID: EHK315463WMHFGATE 28 8.4 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...