SL6654
SL6654 is LOWER POWER IF/AF CIRCUIT (WITH RSSI) FOR FM CELLULAR RADIO manufactured by Zarlink Semiconductor Inc.
Obsolescence Notice
This product is obsolete. This information is available for your convenience only. For more information on Zarlink’s obsolete products and replacement product lists, please visit http://products.zarlink./obsolete_products/
THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT REMENDED FOR NEW DESIGNS
SL6654 IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT REMENDED FOR NEW DESIGNS
DS 3286 -1
LOWER POWER IF/AF CIRCUIT (WITH RSSI) FOR FM CELLULAR RADIO
The SL6654 is a plete 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 2m A from a supply voltage in the range 2.5V to 7.5V.
Features
Low Power Consumption (1.5m A) Single Chip Solution Guaranteed 100MHz Operation Exceptionally Stable RSSI
APPLICATIONS
Cellular Radio Telephones Cordless Telephones
MP18
Fig. 1 Pin connections (top view)
QUICK REFERENCE DATA
Supply Voltage 2.5V to 7 5V Sensitivity 3µV Co-Channel Rejection 7d B
VCC 33p 270p 33k 1n 33k 8p2 17 OSCILLATOR INPUT 200m V RMS C 16 B 15 50µA E 4 OSCILLATOR TRANSISTOR 0V 40k 270p AUDIO OUTPUTS 8p2 6 20
- 40p X1 10µ 0V 220n 10p 5 2 DETECTOR 3 1µA VCC 39k 330p VCC
+15d B (ADJUSTABLE) 100MHz MAX 18 8µA RFC 2k 1 8µA MIXER INPUT 3µV 1n 7 1k BIAS 8 10k 10n +1.2V 100n MIXER
SL6652
+90d B (LIGHTING) 1.5MHz MAX IF AMP 11 RSSI 1k RSSI 10n 200k 200k 100n
20k
9 1.5k LOAD RESISTOR
10 CERAMIC FILTER
13 220n
220n
1.5k (TO MATCH FILTER)
Fig. 2 block...
