PEQ841D60406Thermo+RF Rain Gauge Weather Centre(433.92MHz Rx)

External Photo FCC ID : PEQ841D60406 External Photo - front External Photo - rear

Internal Photo (Model: 841D) FCC ID : PEQ841D60406 Internal Photo - 1 Internal Photo - 2 Internal Photo (Model: 841D) FCC ID : PEQ841D60406 Internal Photo - 3 Internal Photo - 4 Internal Photo (Model: 841D) FCC ID : PEQ841D60406 Internal Photo - 5 Internal Photo - 6 Internal Photo (Model: 841D) FCC ID : PEQ841D60406 Internal Photo - 7 Internal Photo - 8 Internal Photo (Model: 841D) FCC ID : PEQ841D60406 Internal Photo - 9 Internal Photo - 10 Internal Photo (Model: 841D) FCC ID : PEQ841D60406 Internal Photo - 11 Internal Photo (Model: 841C) FCC ID : PEQ841D60406 Internal Photo - 12 Internal Photo - 13 Internal Photo (Model: 841C) FCC ID : PEQ841D60406 Internal Photo - 14 Internal Photo - 15 Internal Photo (Model: 841C) FCC ID : PEQ841D60406 Internal Photo - 16 Internal Photo - 17 Internal Photo (Model: 841C) FCC ID : PEQ841D60406 Internal Photo - 18 Internal Photo - 19 Internal Photo (Model: 841C) FCC ID : PEQ841D60406 Internal Photo - 20 Internal Photo - 21 Internal Photo (Model: 841C) FCC ID : PEQ841D60406 Internal Photo - 22

Technical Description of the Circuit: The product can divide into two part, RF and Baseband , the RF circuit is a single conversion, super-heterodyne architecture receiver IC. The incoming RF signal received by the antenna is fed to the RF input terminal of the IC RX3310A,then the RF signal is then amplified by the LNA in the IC RX3310A. The amplified signal will fed to the mixer input, the LO for the mixer is generated by the external LC tank circuit, in the above circuit, the LO is 432.12MHz, the IF(F RF -F LO )is then demodulated by the demodulator in the IC RX3310A and the IC RX 3310A provide the raw data. The data is then fed to the baseband MCU TM8706 for decoding and the MCU TM8706 will display the decoded temperature and the rain information at the LCD. Also the MCU equipped a time keeping clock for time and date function as well as alarm function. Page 1April 2004 RX3310A UHF ASK Receiver HiMARK Technology, Inc. reserves the right to change the product described in this datasheet. All information contained in this datasheet is subject to change without prior notice. HiMARK Technology, Inc. assumes no responsibility for the use of any circuits shown in this datasheet. Description The RX3310A is a fully integrated, amplitude-shift-keying (ASK) modulation, single chip receiver. It is designed to operate in a variety of low power radio applications. All popular radio frequencies from 250 MHz to 450 MHz may be supported by simply choosing the appropriate external components. Particular emphasis has been placed on low current con- sumption. Features ‹Wide frequency range: 250 MHz to 450 MHz ‹High sensitivity ‹Low power consumption ‹Automotive temperature range ‹High integration level requiring few and inexpensive external components ‹SOP 18L package or SSOP 20L (150 mil) package Applications ‹Remote control systems ‹Car alarm and other security systems ‹Baby finder, wireless doorbell, wireless toys Block Diagram RF AMP MIXER OSC IF FILTER COMPARATOR IF AMP BUFFER LIMITER BANDGAP REFERENCE FO OSC1OSC2 CPA CPBCPO VSSDATADISABLE VCCVEEVIRF VCCLINCPC LFB VORF MIXIN RX3310A Page 2April 2004 Package and Pin Assignment: SOP 18L or SSOP 20L Sym bols SOP 18L (dimensions in mm) SOP 18L (dimensions in inch) SSOP 20L (dimensions in mm) SSOP 20L (dimensions in inch) MIN.NOM.MAX.MIN.NOM.MAX.MIN.NOM.MAX.MIN.NOM.MAX. A------2.640------0.1041.351.601.750.0530.0640.069 A10.100------0.004------0.1---0.250.004---0.010 A22.1902.2902.3900.0860.0900.094---1.45------0.057--- b0.3600.4100.4600.0140.0160.0180.200.250.300.0080.0100.012 C0.2420.2500.2580.0070.0100.0130.19---0.250.007---0.010 D11.4611.5611.660.4510.4550.4598.55---8.750.337---0.344 SOP 18L package VCC MIXIN VORF VEE VIRF LFB VCC LIN 18 17 16 15 14 13 12 11 10 CPC OSC1 OSC2 FO CPA CPB CPO VSS DATA 1 2 3 4 5 6 7 8 HiMARK RX3310A 9 DISABLE SSOP 20L package VCC VORF VEE VIRF LFB VCC LIN 18 17 16 15 14 13 12 11 CPC OSC1 OSC2 FO CPA CPB CPO VSS DATA HiMARK RX3310A DISABLE 1 2 3 4 5 6 7 8 9 10 19 20 MIXIN VCC VSS RX3310A Page 3April 2004 RX3310A Chip Window E10.0410.3410.640.3950.4070.4195.80---6.200.228---0.244 E17.3907.4907.5900.2910.2950.2993.80---4.000.150---0.157 e1.2201.2701.3200.0480.0500.052---0.64------0.025--- L0.6400.8401.0400.0250.0330.0410.40---1.270.016---0.050 θ 0 °---8°0°---8°0° --- 8 °0° --- 8 ° y --- ---0.050 --- ---0.002------0.10------0.004 Sym bols SOP 18L (dimensions in mm) SOP 18L (dimensions in inch) SSOP 20L (dimensions in mm) SSOP 20L (dimensions in inch) MIN.NOM.MAX.MIN.NOM.MAX.MIN.NOM.MAX.MIN.NOM.MAX. RX3310A Page 4April 2004 Pin Descriptions Number (18L SOP) Number (20L SSOP) NameI/ODescription 120OSC1IOOscillator tank connection 21OSC2IOOscillator tank connection 32FOOIF filter output 43CPAIComparator input A 54CPBIComparator input B 65CPOIComparator offset adjustment 76,7VSSGNDGround 88DATAOData output 99DISABLEIDisable input. See Electrical Characteristics (cont.) on page 6 1010CPCIComparator input C 1111LINILimiter input 1212VCCPOWERPositive supply voltage 1313LFBIOLimiter feedback B 1414VIRFIRF amplifier input (requires external ac decoupling capacitor) 1515VEEGNDGround for RF amplifier 1616VORFORF amplifier output 1717MIXINIMixer input (requires external ac decoupling capacitor) 1818,19VCCPOWERPositive supply voltage RX3310A Page 5April 2004 Absolute Maximum Ratings V SS = 0 V Recommended Operating Conditions V SS = 0 V ParameterSymbolRatingUnit Supply voltage V CC V SS – 0.3 to V SS + 6.0 V Operating temperature range T OPR –60 to 85 °C Storage temperature range T STG –60 to 125 °C Soldering temperature range T SLD 255 °C Soldering time range t SLD 10s ParameterSymbol Va l u e Unit min.typ.max. Supply voltage range V CC 2.03.06.0V Operating temperature T A –402585 °C RX3310A Page 6April 2004 Receiver Characteristics (V CC = 2.0 to 6.0 V, LO-RF=1.8MHz,All tests at T A = 25 °C unless otherwise noted) Electrical Characteristics (V CC = 3.0 V, V SS = 0 V, All tests at T A = 25 °C unless otherwise noted) Electrical Characteristics (cont.) (V CC = 5.0 V, V SS = 0 V, All tests at T A = 25°C unless otherwise noted) ParameterSymbolCondition Va l u e Unit min.typ.max. Sensitivity P sens V CC = 3.0 V, T A = 27 °C, AM 99%, sine wave (ASK square wave) -100 (-104) -98 (-102) dBm Maximum input powerP in,max -35-30dBm Receiver turn-on timet ON 5ms ParameterSymbolCondition Va l u e Unit min.typ.max. Supply currentI CC 34.5mA Standby currentI CC,sb DISABLE = high510μA Disable pin input logic high a a.Note: If the Disable pad is connected to an off-chip signal (open), then the pad is internally grounded. V DIH 2.02.4V Disable pin input logic low a V DIL 0.8V Data output logic high V OH V PP b – - 0.3 V b. Note: V PP is the pull-up voltage for open collector data output. It may be as high as 13 V. V Data output logic low V OL 0.3V ParameterSymbolCondition Va l u e Unit min.typ.max. Supply currentI CC 4.55.0mA Standby currentI CC,sb DISABLE = high5 10 μA Disable pin input logic high a a.Note: If the Disable pad is connected to an off-chip …

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841CV11.sch-1 - Fri Jun 23 14:07:49 2006 PDF created with pdfFactory Pro trial version www.pdffactory.com

• The test results reported in this test report shall refer only to the sample actually tested and shall not refer or be deemed to refer to bulk from which such a sample may be said to have been obtained. • This report shall not be reproduced except in full without prior authorization from Intertek Testing Services Hong Kong Limited. • For Terms And Conditions of the services, it can be provided upon request. • The evaluation data of the report will be kept for 3 years from the date of issuance. Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2371 0521 Website: www.hk.intertek-etlsemko.com Electronics Tomorrow Ltd. Application For Certification (FCC ID: PEQ841D60406) Superheterodyne Receiver 0615572 BC/ Sandy Lee August 31, 2006 INTERTEK TESTING SERVICES FCC ID: PEQ841D60406 i LIST OF EXHIBITS INTRODUCTION EXHIBIT 1: General Description EXHIBIT 2: System Test Configuration EXHIBIT 3: Emission Results EXHIBIT 4: Equipment Photographs EXHIBIT 5: Product Labelling EXHIBIT 6: Technical Specifications EXHIBIT 7: Instruction Manual EXHIBIT 8: Miscellaneous Information INTERTEK TESTING SERVICES FCC ID: PEQ841D60406 ii MEASUREMENT/TECHNICAL REPORT Electronics Tomorrow Ltd. - MODEL: ETL 841C ETL 841D FCC ID: PEQ841D60406 This report concerns (check one:) Original Grant X Class II Change _____ Equipment Type: Superheterodyne Receiver (example: computer, printer, modem, etc.) Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes No X If no, assumed Part 15, Subpart B for unintentional radiator - the new 47 CFR [04-05-05 Edition] provision. Report prepared by: Chow Chi Ming, Billy Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576, Castle Peak Road, Kowloon, Hong Kong. Phone: 852-2173-8528 Fax: 852-2371-0521 INTERTEK TESTING SERVICES FCC ID: PEQ841D60406 iii Table of Contents 1.0 General Description ....................................................................................... 2 1.1 Product Description .......................................................................................... 2 1.2 Related Submittal(s) Grants.............................................................................. 2 1.3 Test Methodology............................................................................................. 3 1.4 Test Facility ...................................................................................................... 3 2.0 System Test Configuration ............................................................................ 5 2.1 Justification ...................................................................................................... 5 2.2 EUT Exercising Software.................................................................................. 5 2.3 Special Accessories ......................................................................................... 5 2.4 Equipment Modification .................................................................................... 6 2.5 Measurement Uncertainty................................................................................. 6 2.6 Support Equipment List and Description ........................................................... 6 3.0 Emission Results ........................................................................................... 8 3.1 Field Strength Calculation................................................................................. 9 3.2 Radiated Emission Configuration Photograph................................................. 10 3.3 Radiated Emission Data ................................................................................. 11 4.0 Equipment Photographs .............................................................................. 15 5.0 Product Labelling......................................................................................... 17 6.0 Technical Specifications .............................................................................. 19 7.0 Instruction Manual....................................................................................... 21 8.0 Miscellaneous Information .......................................................................... 23 8.1 Discussion of Pulse Desensitization................................................................ 24 8.2 Calculation of Average Factor......................................................................... 25 8.3 Emissions Test Procedures ............................................................................ 26 INTERTEK TESTING SERVICES FCC ID: PEQ841D60406 iv List of attached file Exhibit type File Description filename Test Report Test Report report.pdf Operation Description Technical Description descri.pdf Test Setup Photo Radiated Emission radiated photos.doc External Photo External Photo external photos.doc Internal Photo Internal Photo internal photos.doc Block Diagram Block Diagram block.pdf Schematics Circuit Diagram circuit.pdf ID Label/Location Label Artwork and Location label.pdf User Manual User Manual manual.pdf INTERTEK TESTING SERVICES FCC ID: PEQ841D60406 1 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TESTING SERVICES FCC ID: PEQ841D60406 2 1.0 General Description 1.1 Product Description The Equipment Under Test (EUT) is a Receiver operating at 433.92MHz. The EUT is powered by 6.0V d.c. (4 x 1.5V “AAA” batteries). During normal use, it receive rainfall and temperature signal from the corresponding transmitter when the rainfall and temperature shown on the LCD display of the receiver. Besides, it has indoor temperature sensor and radio controlled clock functions. The Model: ETL 841D is the same as the Model: ETL 841C in hardware aspect except that they have diff…

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Test Setup FCC ID : PEQ841D60406 Radiated - front Radiated - rear