U2741B_05 ATMEL [ATMEL Corporation], U2741B_05 Datasheet
U2741B_05
Related parts for U2741B_05
U2741B_05 Summary of contents
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Features • Very High Transmitting Frequency Accuracy Compared to SAW Solutions (Enables Receivers at Lower Bandwidth than with SAW Resonators) • Lower Cost than the Usual Discrete Solutions Using SAW and Transistors • Supply Voltage 2.0V to 5.5V in the ...
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Figure 1-1. System Block Diagram Remote control transmitter 1 Li cell U2741B Encoder ATARx9x Keys Figure 1-2. Block Diagram U2741B 2 UHF ASK/FSK U3741BM PLL Antenna Antenna XTO VCO Power amp. ASK OR FSK Power up VCC VCO CLK f ...
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Pin Configuration Figure 2-1. Pinning SSO16 Table 2-1. Pin Description Pin Symbol Function 1 ASK Modulation input ASK 2 FSK Modulation input FSK 3 VCC Supply voltage 4 CLK Clock output 5 GND Ground 6 LFVCC Supply voltage VCO ...
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General Description The fully integrated VCO and the “single-ended open-collector” output allow particularly simple, low-cost RF miniature transmitters to be assembled. The single-ended output enables a consid- erably simplified adaptation of both a magnetic loop antenna of any form ...
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Application Circuit The following component values are recommendations for a typical application. C are block capacitors. The values of these capacitors depend on the board layout nF, and C 6 and GHz ...
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Figure 5-2. Application Circuit ASK FSK C 7 CLK 3.39 MHz U2741B 6 ASK 1 OR FSK 2 Power VCC up 3 CLK VCO PA 4 GND LFVCC 6 f XTO LFGND n ...
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Absolute Maximum Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated ...
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Electrical Characteristics (Continued) All parameters are referred to GND (pin 5). The possible operating ranges refer to different circuit conditions 2. –20°C to +70° amb Parameters Oscillator frequency XTO Loop ...
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Ordering Information Extended Type Number U2741B-NFBY U2741B-NFBG3Y 10. Package Information 0.635 nom 0.635 = 4.445 nom. Drawing-No.: 6.543-5060.01-4 Issue: 2; 05.02.99 4733B–RKE–09/05 Package Remarks Tube, optimized power-supply rejection, value of C SSO16 differs from M-version, enhanced XTO ...
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Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. 4733B-RKE-09/05 U2741B 10 History Put datasheet in a new template Pb-free Logo on ...
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Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 ...