U3741BM-P3FLG3 - Brand New Intel / Altera RF Receivers
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Description
The U3741BM-P3FLG3 is a multi-chip PLL receiver device supplied in an SO20 package. It has been specially developed for the demands of RF low-cost data transmission systems with data rates from 1 kBaud to 10 kBaud (1 kBaud to 3.2 kBaud for FSK) in Manchester or Bi-phase code. The receiver is well suited to operate with Atmel's PLL RF transmitter U2741B. Its main applications are in telemetering, security technology, and keyless-entry systems. It can be used in the frequency receiving range of f0 = 300 MHz to 450 MHz for ASK or FSK data transmission. All the statements made below refer to 433.92-MHz and 315-MHz applications.
Specifications and features
- Minimal External Circuitry Requirements, No RF Components on the PC Board Except Matching to the Receiver Antenna
- High Sensitivity, Especially at Low Data Rates
- Sensitivity Reduction Possible Even While Receiving
- Fully Integrated VCO
- Low Power Consumption Due to Configurable Self Polling with a Programmable Time Frame Check
- Supply Voltage 4.5 V to 5.5 V
- Operating Temperature Range -40°C to 105°C
- Single-ended RF Input for Easy Adaptation to λ/4 Antenna or Printed Antenna on PCB
- Low-cost Solution Due to High Integration Level
- ESD Protection According to MIL-STD 883 (4KV HBM) Except Pin POUT (2KV HBM)
- High Image Frequency Suppression due to 1 MHz IF in Conjunction with a SAW Front-end Filter
- Programmable Output Port for Sensitivity Selection or for Controlling External Periphery
- Communication to the Microcontroller Possible via a Single, Bi-directional Data Line
- Power Management (Polling) is also Possible by Means of a Separate Pin via the Microcontroller
- 2 Different IF Bandwidth Versions are Available (300 kHz and 600 kHz)
Application Scenarios
The U3741BM-P3FLG3 receiver is widely used in telemetering, security technology, and keyless-entry systems. It is suitable for RF low-cost data transmission systems with data rates ranging from 1 kBaud to 10 kBaud (1 kBaud to 3.2 kBaud for FSK) in Manchester or Bi-phase code. The receiver operates in the frequency range of 300 MHz to 450 MHz for ASK or FSK data transmission.
Comparison
Advantages- Minimal external circuitry requirements
- High sensitivity, especially at low data rates
- Sensitivity reduction possible even while receiving
- Fully integrated VCO
- Low power consumption
- Wide supply voltage range
- Wide operating temperature range
- Easy adaptation to λ/4 antenna or printed antenna on PCB
- Low-cost solution
- ESD protection according to MIL-STD 883
- High image frequency suppression
- Programmable output port
- Communication to the microcontroller via a single, bi-directional data line
- Power management (polling)
- Two different IF bandwidth versions available
Disadvantages- None identified
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Datasheet
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- Datasheet: Download U3741BM-P3FLG3
- Chipdatas Part: CD93-U3741BM-P3FLG3
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- Last Updated: 2024/06/13 18:23 +0800
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