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SL6652 Datasheet(PDF) 3 Page - Zarlink Semiconductor Inc |
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SL6652 Datasheet(HTML) 3 Page - Zarlink Semiconductor Inc |
3 / 11 page FEATURES Low Power Consumption (1.5mA) Single Chip Solution Guaranteed 100MHz Operation Exceptionally Stable RSSI APPLICATIONS Cellular Radio Telephones Cordless Telephones QUICK REFERENCE DATA Supply Voltage 2.5V to 7 5V Sensitivity 3 µV Co-Channel Rejection 7dB SL6652 LOWER POWER IF/AF CIRCUIT (WITH RSSI) FOR FM CELLULAR RADIO The SL6652 is a complete single chip mixer/oscillator, IF amplifier and detector for FM cellular radio, cordless telephones and low power radio applications. It features an exceptionally stable RSSI (Received Signal Strength Indicator) output using a unique system of detection. Supply current is less than 2mA from a supply voltage in the range 2.5V to 7.5V. Fig. 1 Pin connections (top view) DP20 DG20 MP20 Fig. 2 block diagram DS 3285 -1 VCC 33p 270p 33k 33k 1n 8p2 10µ 20 - 40p 0V 220n VCC VCC 330p 39k 10p OSCILLATOR INPUT 200mV RMS RFC MIXER INPUT 3µV 1n 10n 10k 100n +1.2V LOAD RESISTOR 1.5k CERAMIC FILTER 220n 1.5k (TO MATCH FILTER) 220n 10n 100n RSSI 1k 270p 270p AUDIO OUTPUTS 100mV RMS (3kHz DEVIATION) DETECTOR 1µA 3 4 11 RSSI 200k 12 13 14 200k IF AMP 20k 10 9 8 BIAS 7 20 19 +15dB (ADJUSTABLE) 100MHz MAX 8µA 2k 8µA 1k MIXER CB E OSCILLATOR TRANSISTOR 0V SL6652 +90dB (LIGHTING) 1.5MHz MAX 50µA 40k 40k 2 1 5 6 15 16 17 18 X1 8p2 SL6652 IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS |
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