Rev. 2.0 FSK RECEIVER NARROW BAND CLASS 1 - 869.2125 MHz Cod. 3-2000887 PRELIMINARY DESCRIPTION: Narrow band FSK receiver, manufactured in SMT technology on printed circuit. Includes an LNA input stage and a microcontroller to implement advanced functions. HIGHLIGHTS: Excellent sensitivity, selectivity, interference rejection and stability RSSI output proportional to received signal strength. Developed according to I-ETS 300 220 European Standard. Class 1. APPLICATIONS: Social alarms, telemetry, ecc MECHANICAL CHARACTERISTICS Pin functions 2 = GND 3 = RF Input (50 ) 7 = GND 11 = GND 12 = + Vcc (Power Down Control) 13 = RSSI Out (**) 14 = TTL Output Data OUT 15 = + Vcc ABS. MAX. RATINGS: Power Supply, Vcc, PIN 12, 15: + 6 Volt Radio Frequency Input, pin 3: + 10 dBm Output pins voltage with respect to GND: + Vcc Storage Temperature: - 40 + 100 C Operating Temperature: 0 + 55 C ELECTRICAL CHARACTERISTICS AT THE TEMPERATURE OF + 25 C Parameter Min. Typ. Max. Unit Notes Supply Voltage (Vcc) 3.3 - 5.5 Volt Current Supply 24.6 25 27 mA Receiver Frequency - 869.2125 - MHz Note 1 Overall Frequency Accuracy - 1 - kHz Sensitivity - -107 - dBm Note 2 Image Frequency Rejection -44 -30 - dBm Note 3 Adjacent Channel Selectivity -32 - dBm Note 4 -44 Adjacent Channel Saturation 0 - dBm Note 5 -20 Intermodulation Rejection -39 - - dBm Note 6 Blocking - - dBm Note 7 -20 Saturation +10 - dBm Note 8 -10 Conducted and Radiated Spurious Within the limits - - Note 9 Emissions specified by norms Mipot S.p.A. reserves the right to modify the specifications without notice. Cormns, 08.04.2008 Page 1 of 2 Rev. 2.0 Parameter Min. Typ. Max. Unit Notes RF Bandwidth 3dB - 12.5 - kHz Baud rate 300 - 2400 Baud Note 10 Start-up Time (Vcc from 0 to 5V) - - 80 ms Note 11 Start-up Time (Power-Down / On) - - 75 ms Note 12 Settling Time - - 8 ms Note 13 RSSI Out Settling Time (pin 13) 5 ms Note 14 Logic Low GND - 0.05 Volt Logic High Vcc-0.05 - Vcc Volt Power Down Supply Current - - 0.4 A Output Impedance (Pin 14) 50 - - Kohm TYPICAL CHARACTERISTICS (*) RRRRSSSSSSSSIIII oooouuuutttt vvvvssss.... RRRRFFFF iiiinnnnppppuuuutttt lllleeeevvvveeeellll 2,4 2,2 2 1,8 1,6 1,4 1,2 1 0,8 0,6 0,4 -105 -95 -85 -75 -65 -55 -45 -35 RRRRFFFF iiiinnnnppppuuuutttt lllleeeevvvveeeellll ((((ddddBBBBmmmm)))) ****:::: AAAAllllllll ggggrrrraaaapppphhhhssss mmmmuuuusssstttt bbbbeeee ccccoooonnnnssssiiiiddddeeeerrrreeeedddd aaaassss iiiinnnnddddiiiiccccaaaattttiiiivvvveeee ttttyyyyppppiiiiccccaaaallll rrrreeeessssuuuullllttttssss iiiinnnn aaaaccccccccoooorrrrddddaaaannnncccceeee wwwwiiiitttthhhh tttteeeemmmmppppeeeerrrraaaattttuuuurrrreeee vvvvaaaarrrriiiiaaaattttiiiioooonnnn.... NNoottee 11:: OOnn ddeemmaanndd iittss ppoossssiibbiillee ttoo rreeaalliizzee rreecceeiivveerrss wwiitthh ddiiffffeerreenntt cceenntteerr ffrreeqquueennccyy.. NNoottee 11:: OOnn ddeemmaanndd iittss ppoossssiibbiillee ttoo rreeaalliizzee rreecceeiivveerrss wwiitthh ddiiffffeerreenntt cceenntteerr ffrreeqquueennccyy.. NNNNooootttteeee 2222:::: FM modulation 100%, square wave, 1KHz frequency (frequency deviation 2.5 kHz). Compliant with the limit specified by ETSI EN 300-220-1 V 2.1.1 (2006-04) par. 9.1.4 NNoottee 33:: Measurement compliant with the limit specified by ETSI EN 300-220-1 V 2.1.1 (2006-04) par. 9.6.3 NNoottee 33:: NNNNooootttteeee 4444:::: Measurement compliant with the limit specified by ETSI EN 300-220-1 V 2.1.1 (2006-04) par. 9.3.3.1 NNNNooootttteeee 5555:::: Measurement compliant with the limit specified by ETSI EN 300-220-1 V 2.1.1 (2006-04) par. 9.3.3.2 NNoottee 66:: Measurement compliant with the limit specified by ETSI EN 300-220-1 V 2.1.1 (2006-04) par. 9.5.3 NNoottee 66:: NNNNooootttteeee 7777:::: Measurement compliant with the limit specified by ETSI EN 300-220-1 V 2.1.1 (2006-04) par. 9.4.3.1 NNNNooootttteeee 8888:::: Measurement compliant with the limit specified by ETSI EN 300-220-1 V 2.1.1 (2006-04) par. 9.4.3.2 NNNNooootttteeee 9999:::: Measurement compliant with the limit specified by ETSI EN 300-220-1 V 2.1.1 (2006-04) par. 9.7.5 NNNNooootttteeee 11110000:::: Defines minimum and maximum impulse duration to assure a correct reception. 300 Baud and 2400 Baud correspond respectively to 150Hz and 1200Hz frequencies. NNNNooootttteeee 11111111:::: Time by power-on to valid data reception. Measured at a level 3dB over the maximum available sensitivity. NNNNooootttteeee 11112222:::: Time by activation after stand-by to valid data reception. Measured at a level 3dB over the maximum available sensitivity. NNNNooootttteeee 11113333:::: Time by no-signal/strong signal (+30dBm) transition on input pin to valid data reception. NNNNooootttteeee 11114444:::: Time by no-signal/strong signal (+30dBm) transition on input pin to valid signal level on RSSI Out (pin 13). NNoottee 1155:: All RF parameters measured with input (pin 3) connected to 50 Ohm impedance signal source or load. NNoottee 1155:: NNNNooootttteeee 11116666:::: Pin 12 must be tied to 0 Volt to enter power-down mode while keeping pin 15 to + Vcc. Mipot S.p.A. reserves the right to modify the specifications without notice. Cormns, 08.04.2008 Page 2 of 2 RRRRSSSSSSSSIIII oooouuuutttt ((((VVVVddddcccc))))