RF Receivers

RF receivers are IC (integrated circuit) components which provide detection of RF (radio frequency) signals. RF receivers are designed to receive radio signals from other devices. These ICs embedded in PCB modules to provide wireless communications.
RF receivers receive data in frequency given in MHz, for example, 440MHz. Unlike IR communication, this cannot be interrupted. RF receivers also operate on particular voltage ranges, for example, 4.5 to 5.5 V. It is important

What is modulation?
Modulation is a process which prevents loss of the information transmitted by the frequency. When a signal is modulated, it combines the RF signal with higher-frequency wavelength.

What is the ISM band?
ISM (industrial, scientific and medical) bands are radio bands reserved for ISM purposes. There are processes used in ISM which can interfere with RF communications. There are different types of modulation available in RF receivers, such as:
ASK - Amplitude-Shift Keying
FSK - Frequency-Shift Keying
GFSK - Gaussian Frequency-Shift Keying
OOK - On-Off Keying
PSK - Phase-Shift Keying
QAM - Quadrature Amplitude Modulation

Applications for RF Receivers:
Communications
Remote controls
Car alarm systems
Automation
Security and CCTV
Keyless entry systems
RF Receiver ICs come in various packages such as:
QFN
QSOP
SOIC
TSSOP

...
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Description Price Modulation Technique Package Type Pin Count Dimensions Length Width Height Maximum Operating Band 1 Frequency Maximum Operating Band 2 Frequency Maximum Operating Band 3 Frequency Maximum Operating Supply Voltage Maximum Operating Temperature Minimum Operating Band 1 Frequency Automotive Standard
RS Stock No. 906-2931
Mfr. Part No.TDA5211XUMA1
BrandInfineon
SGD3.11
Each (In a Pack of 6)
units
ASK, FSK TSSOP 28 9.7 x 4.4 x 1.1mm 9.7mm 4.4mm 1.1mm 330MHz 350MHz - 5.5 V +105 °C 310MHz -
RS Stock No. 173-2729
Mfr. Part No.SI4355-B1A-FM
SGD2.23
Each (In a Tray of 490)
units
GFSK, OOK QFN 20 3 x 3 x 0.85mm 3mm 3mm 0.85mm 350MHz 525MHz 960MHz 3.6 V +85 °C 283MHz -
RS Stock No. 911-2834
Mfr. Part No.MICRF220AYQS
BrandMicrochip
SGD3.04
Each (In a Pack of 2)
units
ASK, OOK QSOP 16 4.9 x 3.91 x 1.47mm 4.9mm 3.91mm 1.47mm 13kHz - - 3.6 V +105 °C 1625Hz -
RS Stock No. 169-0033
Mfr. Part No.SI4362-B1B-FM
SGD3.04
Each (In a Tray of 490)
units
4GFSK, ASK, GFSK, GMSK, OOK QFN 20 4 x 4 x 0.85mm 4mm 4mm 0.85mm 1050MHz 1050MHz 1050MHz 3.6 V +85 °C 142MHz -
RS Stock No. 185-0809
Mfr. Part No.BD57011AGWL-E2
BrandROHM
SGD5.41
Each (In a Pack of 2)
units
AM UCSP 50 3.36 x 2.62 x 0.47mm 3.36mm 2.62mm 0.47mm 100 → 210kHz - - 20 V +85 °C 100kHz -
RS Stock No. 819-6913
Mfr. Part No.Si4362-B1B-FM
SGD3.302
Each (In a Pack of 5)
units
4GFSK, ASK, GFSK, GMSK, OOK QFN 20 4 x 4 x 0.85mm 4mm 4mm 0.85mm 1050MHz 1050MHz 1050MHz 3.6 V +85 °C 142MHz -
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