XR2211ACP-F Exar Corporation, XR2211ACP-F Datasheet
XR2211ACP-F
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XR2211ACP-F Summary of contents
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... TTL, and ECL logic families. The circuit consists of a basic PLL for tracking an input signal within the pass band, a ORDERING INFORMATION Part No. XR-2211ACP XR-2211ACD Rev. 1.04 1995 EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 TM APPLICATIONS Caller Identification Delivery FSK Demodulation Data Synchronization Tone Decoding FM Detection ...
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XR-2211A BLOCK DIAGRAM INP 2 TIM TIM C2 TIM REF 8 COMP I Rev. 1.04 V GND Pre Amplifier Loop -Det Lock Detect Comparator VCO Quad -Det Internal ...
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PIN CONFIGURATION V TIM INP TIM LDF 3 12 TIM R GND LDO 4 11 LDOQN REF LDOQ COMP Lead PDIP (0.300”) ...
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XR-2211A PDC ELECTRICAL CHARACTERISTICS Test Conditions 12V + Parameter General Supply Voltage Supply Current Oscillator Section Frequency Accuracy Frequency Stability Temperature Power Supply Upper Frequency Limit Lowest Practical Operating Frequency Timing Resistor, ...
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DC ELECTRICAL CHARACTERISTICS Test Conditions 12V + Parameter Voltage Comparator Section Input Impedance Input Bias Current Voltage Gain Output Voltage Low Output Leakage Current Internal Reference Voltage Level Output Impedance Maximum Source ...
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XR-2211A PRINCIPLES OF OPERATION Signal Input (Pin 2): Signal is AC coupled to this terminal. The internal impedance at pin 2 is 20K . Recommended input signal level is in the range of 10mV rms to 3V rms. Quadrature Phase ...
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Input Preamp Î Î Î Î Î Î Î Î Î Figure 2. Functional Block Diagram of a Tone and FSK Decoding System Using Loop ...
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XR-2211A DESIGN EQUATIONS (All resistance in , all frequency in Hz and all capacitance in farads, unless otherwise specified) (See Figure 3 for definition of components) 1. VCO Center Frequency · ...
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FSK Data filter time constant, tF: R · · seconds ) Loop phase detector conversion gain, Kd: (Kd is the differential DC voltage across pin ...
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XR-2211A APPLICATIONS INFORMATION FSK Decoding Figure 10 shows the basic circuit connection for FSK decoding. With reference to Figure 3 and Figure 10 , the functions of external components are defined as follows: R and C sets the loop filter ...
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The input to the XR-2211A may sometimes be too sensitive to noise conditions on the input line. Figure 4 illustrates a method of de-sensitizing the XR-2211A from such noisy line conditions by the use of a resistor, Rx, connected ...
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XR-2211A Supply Voltage, V (Volts) Figure 5. Typical Supply Current vs. V+ (Logic Outputs Open Circuited) Î Î Î ...
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Design Example: 1200 Baud FSK demodulator with mark and space frequencies of 1200/2200. Step 1: Calculate f : from design instructions 1200·2200 =1624 O Step 2: Calculate =10K with a potentiometer of ...
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XR-2211A Loop Phase Detect 2 Input Signal 0.1 F Quad Phase Detect Figure 10. Circuit Connection for FSK Decoding of Caller Identification Signals 2 Input Signal 0.1 F Between 400K and 600K Figure 11. External Connectors for FSK Demodulation with ...
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Loop Phase Detect 2 0 Tone Input Quad Phase Detect Figure 12. Circuit Connection for Tone Detection FSK Decoding with Carrier Detect The lock detect section of XR-2211A can be used as a carrier detect option for FSK ...
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XR-2211A Design Instructions: The circuit of Figure 12 can be optimized for any tone detection application by the choice of the 5 key circuit components and C . For a given input, the ...
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Calculate R to set the bandwidth + f (See design equation 5 · f ·2 20, 000·1, 000· 100 Note: The total detection bandwidth covers the frequency range Calculate ...
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XR-2211A Linear FM Detection XR-2211A can be used as a linear FM detector for a wide range of analog communications applications. The recommended circuit connection for this application is shown in Figure 13. The demodulated output is taken from the ...
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LEAD PLASTIC DUAL-IN-LINE Seating Plane L B SYMBOL Note: The control dimension is the inch column Rev. ...
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XR-2211A 14 1 Seating Plane e SYMBOL Note: The control dimension is the millimeter column Rev. 1.04 14 LEAD SMALL OUTLINE (150 MIL JEDEC SOIC) Rev. 1. ...
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Rev. 1.04 Notes 21 XR-2211A ...
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XR-2211A Rev. 1.04 Notes 22 ...
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Rev. 1.04 Notes 23 XR-2211A ...
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... While the information in this publication has been carefully checked; no responsibility, however, is assumed for inaccuracies. EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized ...