Description:The CY43 is a ASK/OOK compatible super heterodyne
wireless receiving module with high performance for ISM frequency
band. High receiving sensitivity and strong ability of resisting.
From wireless signal input to data output can be done without any
electrical circuit. User only use extra simple data decode circuit
can achieve wireless products development. CY43 is for commercial
level version. Features:Frequency: 315MHz/433.92MHz (custom
frequency is available);High sensitivity: -114dBm;Supply voltage:
2.4 to 5.5V;IF band: 230KHz @433.92M;Low power consumption:
4.3mA@315M, 4.6mA@433.92M;Good selectivity and stray radiation
suppression ability, easy to pass CE / FCC international
certificationGood local oscillation radiation suppression ability,
can work with multiple receiving modules (single transmission and
multiple reception) without interference with each other, use
together without Affect the receiving distance.ApplicationCar
remote control door switch (RKE)Wireless industrial remote
controlRemote door openerWireless security alarmRemote control
curtainDrying racks, garbage disposals and other products with
motor interferencePin DescriptionFigure1 CY43 Shape & PinsPin-out
as showed in figure 1 abovePin NamePin DefinitionANTAntenna
InGNDConnect to negative power supplyGNDConnect to negative power
supply VCCConnect to positive power supply VCCConnect to
positive power supply DEOptional output:1, DATA
output(default setting)2, Battery Saving Mode(Working mode in
high level input)(Sleeping mode in low level input) DATAData
OutputGNDConnect to negative power supplyNote 1: ANT pin is a 50
ohm antenna input. The length is about: 23cm for 315MHz17cm
for 433.92MHzElectrical Characteristics:Condition: Ta=25ºC Vcc=5.0V
Frequency=315MHzParameterSpecificationUnitConditionMin.Typ.Max.Frequency
Range314.90315315.10MHzOther freq. availableReceiver
Sensitivity -114 dBmBER=10E-2Receiving
Bandwidth 200 kHz Decoding output max.
voltage2.43.755.0VDCDecoding output max.
voltage 0.5V Current3.64.35.0mADCOperating
Temperature-20 70ºC Condition: Ta=25ºC Vcc=5.0V
Frequency=433.92MHzParameterSpecificationUnitConditionMin.Typ.Max.Frequency
Range433.82433.92434.02MHzOther freq. availableReceiver
Sensitivity -114 dBmBER=10E-2Receiving
Bandwidth 200 kHz Decoding output max.
voltage2.43.755VDCDecoding output max.
voltage 0.5V Current3.94.65.3mADCOperating
Temperature-20 70ºC Mechanical Size: (Unit: MM)Figure2
CY43 DimensionCautions:The drive current of the data output pin is
relatively weak. If the MCU is directly driven, the I/O port must
not be connected to the pull-up or pull-down resistor, and the
inside pull-up or pull-down resistor must be set in the disabled
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