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KOBGR07AAutomotive Receiver

Lear Corporation
Automotive Receiver - FCC ID KOBGR07A - Lear Corporation
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Application Details

Equipment Class
CYY - Communications Receiver used w/Pt 15 Transmitter
Date of Grant
Feb 14, 2006
Application Purpose
Original Equipment
Date of Application
Feb 13, 2006
Equipment Note
Automotive Receiver
Frequency Range
315.00000000 - 315.00000000
Company
Lear Corporation
Country
United States

Documents & Files

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Users Manual

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Block Diagram

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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Operational Description

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Test Report

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Test Setup Photos

Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

Re: Certification for Lear Receiver Model(s): L0101456, L0111925 FCC ID: KOBGR07A IC: 3521A-R07A USER'S MANUAL INFORMATION (PRELIMINARY) The User's Manual is in preparation. The following material will be contained in the manual: FCC ID: KOBGR07A IC: 3521A-R07A This device complies with Part 15 of the FCC Rules and with RSS-210 of Industry Canada. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. WARNING: Changes or modifications not expressively approved by the party responsible for compliance could void the user's authority to operate the equipment. The term “IC:” before the radio certification number only signifies that Industry Canada technical specifications were met.

Block Diagram

5200 Auto Club Dr. Dearborn, Michigan 48126-9982 (313) 593-9000 Re: Certification for Lear Corporation Internal Antenna Receiver Model: L0101456 External Antenna Receiver Model: L0111925 FCC ID: KOBGR07A IC: 3521A-R07A Block Diagram Description The device operates by the RF Circuit receiving an RF message, the RF circuit changes the RF message into a digital message that is then sent to the microcontroller. The microcontroller will decrypt the message and will send a digital message to the bus communication circuitry; the bus communication circuitry will then send the message at the proper voltage levels over the communication bus to other devices. The power regulation circuitry supplies a 5V regulated voltage to the rest of the circuits on the module. There are 2 oscillator circuits in the design; oscillator circuit 1 is at 9.509375 MHz and oscillator circuit 2 is at 8.00 MHz. . RFA-C++ Block Diagram Oscillator 1 Antenna Power Regulation Circuitry Oscillator 2 Bus Communication Circuitry Microcontroller RF Circuit

Cover Letter(s)

Re: Certification for Lear Receiver Model(s): L0101456, L0111925 FCC ID: KOBGR07A IC: 3521A-R07A REQUEST FOR CONFIDENTIALITY Pursuant to 47 CRF 0.459, Lear requests that a part of the subject application be held confidential. This comprises Exhibits (5) Schematics (10) Parts List (Part of Exhibit only) Lear has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. If there are any questions regarding this request, please contact me at the above address or call 734-483-4211, fax 734-647-2106 or e-mail [email protected]. Sincerely, Valdis V. Liepa Research Scientist University of Michigan February 10, 2006 Re: Certification for Lear Receiver Model(s): L0101456, L0111925 FCC ID: KOBGR07A IC: 3521A-R07A STATEMENT OF MODIFICATIONS There were no modifications made to the DUT by this test laboratory. (Also see Section 3.1 of the attached Test Report). _____________________ Valdis V. Liepa Research Scientist Re: Certification for Lear Receiver Model(s): L0101456, L0111925 FCC ID: KOBGR07A IC: 3521A-R07A POWER OF ATTORNEY A letter granting Valdis V. Liepa the Power of Attorney is on file and can be provided when so requested. Re: Certification for Lear Receiver Model(s): L0101456, L0111925 FCC ID: KOBGR07A IC: 3521A-R07A GENERAL PRODUCT INFORMATION The device, for which certification is pursued, has been designed by: Lear Corporation 5200 Auto Club Drive Dearborn, MI 48126 Tom Tang Tel: 313-593 - 9934 Fax: 313-593-9526 It will be manufactured by: Lear Corporation 5100 West Waters Avenue Tampa, FL 33634 Tom Tang Tel: 313-593 - 9934 Fax: 313-593-9526 Canadian Contact: John J. Jackson Daimler-Chrysler Canada- ARDC 3939 Rhodes Drive Windsor, ON. N8W 5B5 Tel: (519) 973 – 2870 [email protected]

External Photos

DUT with Harness (Model L0101456) DUT top (Model L0101456) DUT bottom (Model L0101456) DUT with Harness (Model L0111925) DUT top (Model L01 11925 ) DUT bottom (Model L0111925 ) DUT side (Model L0111925 )

ID Label/Location Info

5200 Auto Club Dr. Dearborn, Michigan 48126-9982 (313) 593-9000 Re: Certification for Lear Corporation Internal Antenna Receiver Model: L0101456 External Antenna Receiver Model: L0111925 FCC ID: KOBGR07A IC: 3521A-R07A FCC and IC ID LABEL The label shown below will be embossed on the outside on the back of the plastic case of the receiver: This device complies with Part 15 of the FCC Rules and with RSS-210 of the Industry Canada. Operation is subject to the following two conditions: 1) This device may not cause harmful interference, and 2) This device must accept any interference received, including interference that may cause undesired operation. A sticker will be placed below this label. The sticker for the internal antenna module is shown below: 5200 Auto Club Dr. Dearborn, Michigan 48126-9982 (313) 593-9000 Re: Certification for Lear Corporation Internal Antenna Receiver Model: L0101456 External Antenna Receiver Model: L0111925 FCC ID: KOBGR07A IC: 3521A-R07A The sticker for the external antenna module is shown below: FCC and IC Statement The following statement will be printed in the User’s Instruction Manual This device complies with Part 15 of the FCC Rules and with RSS-210 of the Industry Canada. Operation is subject to the following two conditions: 1) This device may not cause harmful interference, and 2) This device must accept any interference received, including interference that may cause undesired operation. The letter’s “IC” have no other meaning or purpose than to identify the Industry Canada certification number/registration number. WARNING: Changes or modifications not expressively approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Internal Photos

Model L0101456 apart (top) Model L01 01456 apart (bottom) Model L01 01456 PCB ( top ) Model L01 01456 PCB (bottom) Model L0111925 apart (top) Model L0111925 apart (bottom) Model L0111925 PCB (top) Model L0111925 PCB (bottom)

Operational Description

5200 Auto Club Dr. Dearborn, Michigan 48126-9982 (313) 593-9000 Re: Certification for Lear Corporation Internal Antenna Receiver Model: L0101456 External Antenna Receiver Model: L0111925 FCC ID: KOBGR07A IC: 3521A-R07A DESCRIPTION OF OPERATION GENERAL DESCRIPTION The product for which certification is pursued will be manufactured for General Motors Corporation by Lear Corporation for automotive applications. This 315 MHz receiver is mounted in an automobile and works in conjunction with a hand held transmitter and tire pressure monitoring transmitters. The receiver is permanently mounted in the vehicle and is powered by the vehicle battery. This receiver performs the following functions: Lock/unlock (Remote Keyless Entry function) Panic/alarm (Remote Keyless Entry function) Tire pressure monitoring The receiver can be programmed to perform Remote Keyless Entry only, Tire Pressure Monitoring only, or both. The receiver contains a printed circuit board assembly. The two piece exterior housing is injection molded plastic. TECHNICAL DESCRIPTION The receiver is a superheterodyne type architecture that utilizes ASK modulation scheme. The receiver detects RF data information from a transmitter and performs the functions as defined by the transmitted message. The module uses a PCB trace antenna or a rigid wire antenna mounted on the PCB. NAME AND ADDRESS OF MANUFACTURER Lear Corporation 5200 Auto Club Drive Dearborn, Michigan 48126 And 5100 West Waters Ave. Tampa, FL 33634

Test Report

University of Michigan Radiation Laboratory FCC Part 15, IC RSS-210/Gen - Test Report No. 415031-276 Page 1 of 11 The University of Michigan Radiation Laboratory 3228 EECS Building Ann Arbor, MI 48109-2122 Tel: (734) 764-0500 Measured Radio Frequency Emissions From Lear Corporation Receiver Model(s): L0101456 (Int. Ant.), L0111925 (Ext. Ant.) Report No. 415031-276 February 10, 2006 Copyright © 2006 For: Lear Corporation 5200 Auto Club Dr. Dearborn, MI 48126-9982 Contact: Tom Tang Tel: 313-593-9934 Fax: 313-593-9526 PO: Verbal Tests supervised by: Measurements made by: Report approved by: _____________________ Valdis V. Liepa Valdis V. Liepa Joseph D. Brunett Research Scientist Summary Tests for compliance with FCC Regulations Part 15, Subpart B, and Industry Canada RSS-210/GEN, were performed on Lear Corporation models L0101456 and L0111925. This device is subject to the Rules and Regulations as a Receiver. As a Digital Device it is exempt, but such measurements were made to assess the receiver's overall emissions. In testing completed on February 8, 2005, the device tested in the worst case met the allowed Class B specifications for radiated emissions by 10.9 dB (see p. 6). RF power conducted emissions met the allowed specifications by 53.3 dB (see p. 5). The power line conducted emissions tests do not apply, since the device is powered from a 12 V dc system. University of Michigan Radiation Laboratory FCC Part 15, IC RSS-210/Gen - Test Report No. 415031-276 Page 2 of 11 1. Introduction Lear Corporation models L0101456 and L0111925 was tested for compliance with FCC Regulations, Part 15, adopted under Docket 87-389, April 18, 1989, and with Industry Canada RSS-210, Issue 6 and RSS- Gen, Issue 1, September, 2005. The tests were performed at the University of Michigan Radiation Laboratory Willow Run Test Range following the procedures described in ANSI C63.4-2003 "Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz". The Site description and attenuation characteristics of the Open Site facility are on file with FCC Laboratory, Columbia, Maryland (FCC Reg. No: 91050) and with Industry Canada, Ottawa, ON (File Ref. No: IC 2057). 2. Test Procedure and Equipment Used The pertinent test equipment commonly used in our facility for measurements is listed in Table 2.1 below. The middle column identifies the specific equipment used in these tests. Table 2.1 Test Equipment. Test Instrument Eqpt. Used Manufacturer/Model Spectrum Analyzer (0.1-1500 MHz) Hewlett-Packard, 182T/8558B Spectrum Analyzer (9kHz-22GHz) X Hewlett-Packard 8593A SN: 3107A01358 Spectrum Analyzer (9kHz-26GHz) X Hewlett-Packard 8593E, SN: 3412A01131 Spectrum Analyzer (9kHz-26GHz) Hewlett-Packard 8563E, SN: 3310A01174 Spectrum Analyzer (9kHz-40GHz) Hewlett-Packard 8564E, SN: 3745A01031 Power Meter Hewlett-Packard, 432A Power Meter Anritsu, ML4803A/MP Harmonic Mixer (26-40 GHz) Hewlett-Packard 11970A, SN: 3003A08327 Harmonic Mixer (40-60 GHz) Hewlett-Packard 11970U, SN: 2332A00500 Harmonic Mixer (75-110 GHz) Hewlett-Packard 11970W, SN: 2521A00179 Harmonic Mixer (140-220 GHz) Pacific Millimeter Prod., GMA, SN: 26 S-Band Std. Gain Horn S/A, Model SGH-2.6 C-Band Std. Gain Horn University of Michigan, NRL design XN-Band Std. Gain Horn University of Michigan, NRL design X-Band Std. Gain Horn S/A, Model 12-8.2 X-band horn (8.2- 12.4 GHz) Narda 640 X-band horn (8.2- 12.4 GHz) Scientific Atlanta , 12-8.2, SN: 730 K-band horn (18-26.5 GHz) FXR, Inc., K638KF Ka-band horn (26.5-40 GHz) FXR, Inc., U638A U-band horn (40-60 GHz) Custom Microwave, HO19 W-band horn(75-110 GHz) Custom Microwave, HO10 G-band horn (140-220 GHz) Custom Microwave, HO5R Bicone Antenna (30-250 MHz) X University of Michigan, RLBC-1 Bicone Antenna (200-1000 MHz) X University of Michigan, RLBC-2 Dipole Antenna Set (30-1000 MHz) X University of Michigan, RLDP-1,-2,-3 Dipole Antenna Set (30-1000 MHz) EMCO 2131C, SN: 992 Active Rod Antenna (30 Hz-50 MHz) EMCO 3301B, SN: 3223 Active Loop Antenna (30 Hz-50 MHz) EMCO 6502, SN:2855 Ridge-horn Antenna (300-5000 MHz) X University of Michigan Amplifier (5-1000 MHz) X Avantak, A11-1, A25-1S Amplifier (5-4500 MHz) X Avantak Amplifier (4.5-13 GHz) Avantek, AFT-12665 Amplifier (6-16 GHz) Trek Amplifier (16-26 GHz) Avantek LISN Box University of Michigan Signal Generator X Hewlett-Packard 8657B University of Michigan Radiation Laboratory FCC Part 15, IC RSS-210/Gen - Test Report No. 415031-276 Page 3 of 11 3. Configuration and Identification of Device Under Test The DUT is a superheterodyne receiver designed for onboard automobile security/convenience applications, and as such, it is powered from an automotive 12 VDC source. It is housed in a plastic case approximately 2.5 by 2 by 1 inches. For testing, a generic harness was provided by the manufacturer. In the receiver digital section, the decoding, signal processing, etc. are performed by a microprocessor timed by an 8.0 MHz oscillator. The RF LO at 304.3 MHz references a 9.509 MHz crystal oscillator, and is mixed down from 2 x LO at 608.6 MHz on chip. The DUT was designed by Lear Corporation, 5200 Auto Club Dr., Dearborn, MI 48126-9982. It is identified as: Lear Corporation Receiver Model(s): L0101456, L0111925 FCC ID: KOBGR07A IC: 3521A-R07A Two models were provided, one with internal antenna and one with external antenna connector. They differ only in minor matching circuitry, depopulation of the internal antenna, and population of an external antenna connector. Data for both devices is provided herein. 3.1 Modifications Made There were no modifications made to the DUT by this laboratory. 4. Emission Limits The DUT tested falls under Part 15, Subpart B, "Unintentional Radiators". The pertinent test frequencies, with corresponding emission limits, are given in Tables 4.1 and 4.2 below. 4.1 Radiated Emission Limits Table 4.1. Radiated Emission Limits (Ref: FCC 15.33, 15.35, and 15.109; IC RSS-210, 2.6 Table…

Text truncated - open the document above for the full version.

Contact Information

Applicant

Kristof von Czarnowski(RF Engineer)
[email protected]248-421-0714Fax: 0

Technical Contact

University of Michigan/EECSValdis V. Liepa
[email protected]731-483-4211

1301 Beal Ave. · Ann Arbor, Michigan · United States

Test Firm

University of MichiganValdis Liepa
[email protected]734-647-1792Fax: 734-647-2106

Technical Specifications

#Rule PartsFrequency RangePower Output
115B315 MHz - 315 MHz-
Confidentiality
Long Term

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