HBW1573Remote Control Transmitter

Chamberlain Group LLC, The

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Application Details

Equipment Class: DSC - Part 15 Security/Remote Control Transmitter
Date of Grant: Sep 19, 2001
Application Purpose: Original Equipment
Date of Application: Sep 19, 2001
Equipment Note: Remote Control Transmitter
Frequency Range: 315.00000000 - 315.00000000
Company: Chamberlain Group LLC, The
Country: United States

Documents & Files

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Document Text

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

Block Diagram

REF DESPART NUMBERDESCRIPTIONQTY CAPACITORS C130B0477CAP LYTIC 4.7UF 16V1 C230B0431CAP VARIABLE 1.8-5.0PF1 C330D76800000CAP SMD805 6.8PF NPO1 C430D72003000CAP SMD805 2.0PF NPO1 C530D76800000CAP SMD805 6.8PF NPO1 C8,C9,C730D71020000CAP SMD805 100PF NPO6 C10,C11,C12 C630D710422R0CAP SMD805 0.01UF1 DIODES D152B0065DIODE SOT231 INDUCTORS L140B0092INDUCTOR LEADED 470UH1 JUMPERS JU1217A0147JUMPER LEADED 0.5"1 JU2311C0001JUMPER SMD 0 OHMS1 JU3217A0147JUMPER LEADED 0.25"1 TRANSISTORS Q1207C0073XTOR SMD NPN SW1 Q2207C0074XTOR SMD NPN RF1 RESISTORS R1311C1015RES SMD805 1001 R2311C4325RES SMD805 1 R3311C2205RES SMD805 221 R4311C6225RES SMD805 6.2K1 R5311C1525RES SMD805 1.5K1 R6311C1035RES SMD805 10K1 SWITCHES S1 - S4SEE NOTE 5SW MOMENTARY SPST IC U1NOTE 5SOIC, ATMEL ENCODER1 BATTERY CONNECTORS E232D0134BATTERY CONTACT NEG1 E132C0133BATTERY CONTACT POS1 B110A0020BATTERY LITHUM 2032 3V1 ITEM 114D0481PCB 1/3 CH TX1 190A0460PRODUCT SPECIFICATION 190A0461FINAL TEST SPEC NOTES: 1. ALL LEADED COMPONENTS TO BE INSERTED TO WITHIN 0.020" OF BODY OR PREFORM LIMITS UNLESS OTHERWISE SPECIFIED. 2. LEAD CLIPPING SPEC: 0.050" MIN, 0.095 MAX. 3. CLEANING OF ASSEMBLY WITH A CLEANING SOLVENT AFTER SOLDERING IS NOT PERMITTED. 4. TEST SPECIFICATION: 190A0460 5. COMPONENT USAGE CHART: 001A5536-1001A5536-3 1ch RC 315MHz3ch RC 315MHz S1, S2, S3NOT USED180B0120-2 S4180B0120-2NOT USED U1125C0130125C0130 100PF 100PF 100PF 0.01UF 6.8PF 100 100PF 100PF 100PF

Operational Description

845 Larch Ave. Elmhurst, IL 60126 phone 630.993.6306 fax 630.530.6140 email: [email protected] September 12, 2001 Federal Communications Commission EQUIPMENT APPROVAL SERVICES PO Box 358315 Pittsburgh, PA 15251-5315 Re: Request for Certification Enclosed is an application form and exhibits for Certification of a Remote Control Transmitter Model 1A5536-3. The final instruction sheet is not available at this time, so I have included a typical instruction sheet indicating the FCC statement and important information. Model 973-315LM is identical to Model 1A5536-3. The FCC ID of this model, upon certification, will be HBW1573. We would appreciate your prompt attention to the submittal. Sincerely, THE CHAMBERLAIN GROUP, INC. Barbara P. Kelkhoff Manager of Regulatory Affairs LIST OF EXHIBITS 3 FUNCTION, REMOTE CONTROL TRANSMITTER MODEL 1A5536-3 1. Expository Statement 2. Theory of Operation 3. Schematic 4. Photographs 5. FCC Label Drawing 6. Operating Instructions 7. Test Report EXPOSITORY STATEMENT 3 FUNCTION, REMOTE CONTROL TRANSMITTER MODEL 1A5536-3 1. Since the final instruction sheet is not available at this time, a marked-up typical version has been included. The instructions include statements required to assure compliance with the Commission's Rules; Part 15. 2. Labeling is in accordance with the Commission's labeling requirements, Parts 2 and 15, Section 15.19. 3. This transmitter is intended for use with the certified receivers of our manufacture only. 4. The transmitter is equipped with an automatically releasing push-button switch. Transmission is terminated upon release of the push-button. 5. The 1A5536-3 is factory set to 315 ± 0.1% MHz. It is not intended to be readjusted in the field, and specific instructions prohibiting tampering are provided to the user. 6. Test data for the Model 1A5536-3 is part of this submission. No emissions were detected in the forbidden bands below 1.0 GHz. Certified by: Barbara P. Kelkhoff Manager, Product Safety THEORY OF OPERATION AND CIRCUIT DESCRIPTION MODEL 1A5536-3 (973-315LM) 3 FUNCTION, REMOTE CONTROL TRANSMITTER (Please refer to enclosed schematic drawing: 195D1573) The 973-315LM transmitter consists of a low power RF oscillator (Q2 and associated components), a digital encoder (U1 and related components), and on/off switches. The RF oscillator, Q2, is of the grounded base type. C2, C3, C5, C8, and the copper loop, L2, set the center frequency of the oscillator at 315 MHz. C4 and C7, with the internal capacitance of Q2, establish feedback levels and harmonic suppression. R1, R2 and R5 establish dc operating conditions on Q2 and help improve temperature stability. U1 and related components generate a digital code. This code is used in the companion receiver to identify a particular transmitter or function. The 3V battery circuit is equipped with an automatically releasing (normally off) push-button switches that supply voltage to U1 when SW1, SW2 or SW3 are depressed. U1 contains a voltage switcher circuit that increases the 3V to 9V. A square wave output is applied to driver Q1 through R4. L1, D1 and C1 boost and filter the voltage to 9V. This is applied to Q2, regulated to 9V by U1, and monitored through pin 5. SW1-SW3 and U1 provide three input functions. The digital signal is randomly programmed and the code is stored within U1.

Schematics