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T48C862M-R3 Datasheet(PDF) 4 Page - ATMEL Corporation |
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T48C862M-R3 Datasheet(HTML) 4 Page - ATMEL Corporation |
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4 / 107 page 
4 T48C862-R3 4554A–4BMCU–02/03 UHF ASK/FSK Transmitter Block Features • Integrated PLL Loop Filter • ESD Protection (4 kV HBM/200 V MM, Except Pin 2: 4 kV HBM/100 V MM) also at ANT1/ANT2 • High Output Power (8 dBm) with Low Supply Current (9.0 mA) • Modulation Scheme ASK/FSK – FSK Modulation is Achieved by Connecting an Additional Capacitor between the XTAL Load Capacitor and the Open- drain Output of the Modulating Microcontroller • Easy to Design-in Due to Excellent Isolation of the PLL from the PA and Power Supply • Single Li-cell for Power Supply • Supply Voltage 2.0 V to 4.0 V in the Temperature Range of -40 °C to +85°C/+125°C • Single-ended Antenna Output with High Efficient Power Amplifier • CLK Output for Clocking the Microcontroller • One-chip Solution with Minimum External Circuitry • 125 °C Operation for Tire Pressure Systems Description The PLL transmitter block has been developed for the demands of RF low-cost transmission systems, at data rates up to 32 kbaud. The transmitting frequency range is 310 MHz to 330 MHz. It can be used in both FSK and ASK systems. |
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