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T5744-TGS Datasheet(PDF) 1 Page - ATMEL Corporation |
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T5744-TGS Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 19 page 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 • SSO20 and SO20 package • Fully Integrated VCO • 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 l/4 Antenna or Printed Antenna on PCB • Low-cost Solution Due to High Integration Level • Various Types of Protocols Supported (i.e., PWM, Manchester and Biphase) • Distinguishes the Signal Strength of Several Transmitters via RSSI (Received Signal Strength Indicator) • ESD Protection According to MIL-STD. 883 (4KV HBM) • High Image Frequency Suppression Due to 1 MHz IF in Conjunction with a SAW Front- end Filter, up to 40 dB is thereby Achievable with Newer SAWs • Power Management (Polling) is Possible by Means of a Separate Pin via the Microcontroller • Receiving Bandwidth BIF = 600 kHz Description The T5744 is a PLL receiver device for the receiving range of f 0 = 300 MHz to 450 MHz. It is developed for the demands of RF low-cost data communication sys- tems with low data rates and fits for most types of modulation schemes including Manchester, Biphase and most PWM protocols. Its main applications are in the areas of telemetering, security technology and keyless-entry systems. Figure 1. System Block Diagram Demod. IF Amp LNA VCO PLL XTO Data interface T5744 1...3 µC Power amp. XTO VCO PLL U2741B Antenna Antenna UHF ASK/FSK Remote control transmitter UHF ASK Remote control receiver Encoder M44Cx9x 1 Li cell Keys UHF ASK Receiver T5744 Rev. 4521B–RKE–01/03 |
Similar Part No. - T5744-TGS |
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Similar Description - T5744-TGS |
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