MICRF009BM Micrel Inc, MICRF009BM Datasheet
MICRF009BM
Specifications of MICRF009BM
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MICRF009BM Summary of contents
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... Micrel’s web site at www.micrel.com. Ordering Information Part Number Demodulator Bandwidth MICRF009BM User Programmable Typical Application Power, Connect and Protect is a trademark of Micrel, Inc. QwikRadio is a registered trademark of Micrel, Inc. The QwikRadio Ics were developed under a partnership agreement with AIT of Orlando, Florida. ...
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Micrel Pin Configuration Standard 16-Pin SOIC (M) Pin Description Pin Number Pin Name Pin Function 1 SEL0 Bandwidth Selection Bit 0 (Input): Configure to set the desired demodulator filter bandwidth. See Table VSS VDD, don ...
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Micrel Absolute Maximum Ratings Supply Voltage ( )................................... +7V DDRF DDBB Input/Output Voltage (V ) ................ V I/O Max. Input Power .................................................. +20dBm Junction Temperature (T ) ..................................... +150°C J Storage Temperature Range (T )........... –65°C to +150°C ...
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Micrel Symbol Parameter Digital/Control Section V Input High Voltage IH V Input Low Voltage IL I Output Current OUT V Output High Voltage OH V Output Low Voltage Output Rise and Fall Time R F Notes: ...
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Micrel Typical Characteristics Supply Current vs. Frequency 6 25° 4.5 3.0 Sweep Mode, Continuous Operation 1.5 250 300 350 400 450 500 FREQUENCY (MHz) January 18, 2005 Supply Current vs. Temperature 3.5 f ...
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Micrel Functional Diagram Application Information and Function Description Refer to “MICRF009 Block Diagram.” Identified in the block diagram are the three sections of the IC: 1) UHF Downconverter, 2) OOK Demodulator, 3) Reference and Control. Also shown in the figure ...
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Micrel MICRF009, allowing the device to operate in applications where significant transmitter-receiver misalignment may exist. The transmit frequency may vary up to ±0.5% over initial tolerance, aging, and temperature. In sweep-mode, a band approximately 1.5% around the nominal transmit frequency ...
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Micrel 315MHz 390MHz 418MHz 433.92MHz Table 2. Sweep-Mode Recommended Reference Oscillator Values For Typical Transmit Frequencies Step 3: Selecting C Capacitor TH Extraction of the DC value of the demodulated signal for purposes of logic-level data slicing is accomplished using ...
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Micrel C = AGC capacitor value AGC ∆t = droop recovery time ∆V = droop voltage For example, if user desires ∆t = 10ms and chooses a 4.7µF CAGC, then the allowable droop is about 144mV. Using the same equation ...
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Micrel Step 5: Selecting The Demodulator Filter Bandwidth The input SEL0 controls the demodulator filter bandwidth in two binary steps, (625Hz to 1250Hz in sweep, 1250Hz to 2500Hz in fixed mode), see Table 3. Bandwidth must be selected according to ...
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Micrel Figure 3 illustrates the CAGC pin interface circuit. The AGC control voltage is developed as an integrated current into a capacitor CAGC. The attack current is nominally 7µA, while the decay current times scaling of this, ...
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Micrel Additional Applications Information In addition to the basic operation of the MICRF009, the following enhancements can be made. In particular strongly recommended that the antenna impedance is matched to the input of the IC. Antenna Impedance Matching ...
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Micrel Application Example 315MHz Receiver/Decoder Application Figure 8 illustrates a typical application for the MICRF009 UHF Receiver IC. This receiver operates continuously (not duty cycled) in sweep mode, and features 6-bit address decoding and two output code bits. Figure 8. ...
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Micrel PCB Layout Information The MICRF009 evaluation board was designed and characterized using two sided 0.031 inch thick FR4 material with 1 ounce copper clad. If another type of PCB Solder Side Layout January 18, 2005 printed circuit board material ...
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Micrel January 18, 2005 Figure 9. 433.92MHz, 1200bps, High Pass Filter Input 15 MICRF009 M9999-011805 (408) 955-1690 ...
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Micrel Package Information MICREL, INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http:/www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, ...