NLKTMI80888R4949MHz Transceiver

Toymax Inc

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Application Details

Equipment Class: DXX - Part 15 Low Power Communication Device Transmitter
Date of Grant: Dec 16, 2001
Application Purpose: Original Equipment
Date of Application: Dec 16, 2001
Equipment Note: 49MHz Transceiver
Frequency Range: 49.82000000 - 49.90000000
Company: Toymax Inc
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

1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:16-Jul-2001Sheet of File:\\..\80889RXFK.schDrawn By: Q1 RF 49M/27MDET AMP U4B/U4C/U4D Q2Q6 Q7 MODULATION RF POWER Q9 Q10 ANT RF OSCILLATOR Q8 MCU(U1) SUNPLUS VMIC OPO CONTROL U5D/U5C PB6 RF SOLENOID Q4/Q5 M1 Q12/Q11 PB13 PB12 M2 Q13 Q14 Q15 Q16 Q17 Q18 M3 Q20 Q21 Q22 Q23 Q24 Q25 MOTOR CURRENT SENSE U5A/U5B LED SW D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 DCA1 PB3/PB4 PB8/PB9 PB10/PB11 PB7 ANT FILTER VOLTAGE CONTROL REGUCATOR DC Q3 SPK MIC 80889 MAIN BLOCK DIAGRAM27M/49M PB14

Schematics

1234 A B C D 4321 D C B A Title NumberRevisionSize A4 Date:12-Jul-2001Sheet of File:D:\pyee\lzl\80889\SCH\80889TX-R3.~CHDrawn By: SW4 SW3 SW5 SW6 SW7 SW2 SW1 L FORWARD L BACKWARD R BACKWARD R FORWARD FIRE LISTEN SHIFT S8 9V BATTERY Q1 9014D Q2 9014D C1 0.1uF R4 1K R3 1.2M R1 470K R2 1M R5 4.7K Q4 9014D Q3 9012 Q6 8550D Q5 9014D R7 470 R6 4.7K R8 10K Q7 2SC945P Q8 2SC945P R9 150K(27MHz) R10 100(27MHz) R11 100(27MHz) C2 0.1uF C4 47P(27MHz) C5 47P C6 22P C7 68P(27MHz) C8 47P(27MHz) C9 0.01uF Y1 27.145MHZ L1 1.2uH L2 1.2uH L3 12T(27MHz) L5 6T(49MHz) L4 3.9uH(27MHz) C10 68P(27MHz) ANT1 C11 10P C12 47P(49MHz) C13 5P C15 4700 C16 0.1uF C17 0.1uF R12 220 R13 4.7K R14 3.3K(49MHz) R15 2.2K R16 3.3K Q9 1815GR L6 5.6uH C20 0.1uF R18 10 29mm 16 OHM SPK 80889TX C21 10UF C22 0.1UF C23 100UF C18 0.1UF L=25MM C14 56P 1 2 3 4 5 VDD 6 8 U2 LM386 OSC P3.0 P3.1 P3.2 VDD SINGAL1 SINGAL2 C24 8P C3 8P C25 * 100k (49MHz) 49.86MHz 47(49MHz) 30p(49MHz) 47(49MHz) 56p(49MHz) 33p(49MHz) 33p(49MHz) 10t(49MHz) DEL C24(27M) 2.2uh(49MHz) 12t(27MHz) 5.6k(27MHz) 56p(27MHz) DEL C3(27M) P0.0 P0.1 P0.2 P0.3 P1.0 P1.1 P1.2 VDD2 VDD1 Z1 3.3V R20 120 C19 0.1UF Q10 2sc945 R17 2K C26 0.1uF R19 100K R21 100 P0.0 P0.1 P0.2 P0.3 P1.0 P1.1 P1.2 VSS P3.1 P3.2 P3.0 OSC VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 U1 REL1 Q11 9012 R23 4.7K R22 220 TORELAY R24 10K TORELAY Q122SC1623 R234.7K