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Hello. Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help.


RFRXD0420-I/LQ - rfRXD0420 UHF Receiver Microcontroller - Buy RFRXD0420-I/LQ

Photograph
RFRXD0420-I/LQ - rfRXD0420 UHF Receiver Microcontroller
Features

arrowLow Cost Single Conversion Superheterodyne Receiver Architecture

arrowCompatible with rfPIC and rfHCS

arrowEasy interface to PICmicro microcontroller(MCU)and KEELOQ decoders

arrowSelectable LNA gain control for improved dynamic range

arrowSelectable IF bandwidth via external ceramic IF filter

arrowFSK/FM quadrature (phase coincidence) Detector Demodulator

arrowUHF ASK/FSK Receiver

    - Only 35 single word instructions to learn

  • - Single frequency receiver set by single frequency
  • - 300 MHz to 450 MHz
  • - ASK : 80 kbps NRZ
  • - FSK : 40 kbps NRZ
  • - 455 kHz to 21. MHz
  • - RSSi range: 70 dB
  • - ±5 kHz to ±120 kHz
  • - Maximum FM Modulation Frequency: 15 kHz

arrowBi-CMOS Technology

  • - Wide Operating Voltage Range
  • - Operating Current: 8.2 mA (typical, LNA High Gain mode), <100 nA standby
  • - Operating Temperature: -40°c to -85°c

arrowApplication

  • - Wireless Remote Command and Control
  • - Wireless Security Systems
  • - Remote Keyless Entry (RKE)
  • - Low Power Telemetry
  • - Low Power FM Receiver
  • - Home Automation
  • - Remote Sensing

Pin Description
Pin Number Description
1 Ground Reference
2 LNA Gain Control (with hysteresis)
3 LNA output (open collector)
4 1st IF Stage Input
5 Ground Reference
6 MIXER1 bias (open collector)
7 MIXER1 bias (open collector)
8 Positive Supply
9 1st IF stage input
10 Ground Reference
11 2nd IF Stage Input
12 Limiter IF Amplifier External Feedback Capacitor
13 Limiter IF Amplifier External Feedback Capacitor
14 Positive Supply
15 2nd IF Stage Input
16 Demodulator Input
17 Positive Supply
18 Operational Amplifier Output
19 Operational Amplifier Input (negative)
20 Operational Amplifier Input (positive)
21 Received Signal Strength Indicator Output
22 Ground Reference
23 Demodulator Output (negative)
24 Demodulator Output (negative)
25 Ground Reference
26 Crystal Oscillator Input
27 Positive Supply
28 Receiver Enable Input
29 External Loop Filter Connection
30 Ground Reference
31 LNA Input
32 Positive Supply
Pin Layout
RFRXD0420 Pin Layout

Block Diagram
RFRXD0420 Block Drawing

Technical Data

Data Sheet

Microchip - Data Sheet for RFRXD0420-I/LQ Datasheet

Application Notes

   






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