obsolescence notice this product is obsolete.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.com/obsolete_products/
2 SP4666 electrical characteristics these characteristics are guaranteed over the following conditions (unless otherwise stated): t amb = 0 c to 1 80 c, v cc = 45v to 55v (test circuit see fig. 3) characteristic supply current, i cc input sensitivity 50mhz 200mhz to 1050mhz 1050mhz to 1300mhz input overload input impedance output voltage with 12pf load output impedance output imbalance voltage for 4 256 operation voltage for 4 64 operation sink current for 4 256 operation conditions value typ. max. min. units 30 10 5 10 05 250 ma mv mv mv mv w pf v p-p v p-p v p-p v p-p v p-p v p-p w v v v m a 8 2,3 2,3 2,3 6,7 6,7 6,7 5 5 5 500 08 08 04 07 025 06 35 23 25 05 50 2 1 1 05 09 035 07 500 01 pin v cc = 1 5v rms sinewave (50 w system) see fig. 6 4 64 mode, f in = 100mhz 4 256 mode, f in = 100mhz 4 64 mode, f in = 1000mhz 4 256 mode, f in = 1000mhz 4 64 mode, f in = 1300mhz 4 256 mode, f in = 1300mhz see note 1 vpin5 = 0v fig. 4 application circuit 1 2 3 4 8 7 6 5 12p 1 5v 1n 01 m outputs ? 0v 100p 1 turn 1n uhf input vhf input SP4666 note: for 4 64 operation, pin 5 may be left open circuit or connected to 1 5v fig. 3 test circuit 1n 1 5v 1n 180 hybrid coupler 01 m output 12p 12p 50 a 50 w signal generator b c d 50 w sampling scope 0v SP4666 1 2 3 4 8 7 6 5 open = 4 64 closed = 4 256 output notes 1. pin 5 has an internal pull-up and may be left open-circuit for 4 64 operation. 2. the difference between the maximum input sensitivity and minimum overload voltage is the guaranteed dynamic range. input sign al levels should be maintained within these limits at all frequencies.
3 SP4666 fig. 5 typical input sensitivity fig. 6 typical input impedance (frequencies in mhz) j 2 j 1 j 0.5 j 0.2 0 2 j 0.2 2 j 0.5 2 j 1 2 j 2 1 0.5 0.2 j 5 2 j 5 2 5 1000 200 50 500 s 11 z o = 50 w 1300 16 14 12 10 8 6 4 2 0 0 200 400 600 800 1000 120 0 1400 frequency (mhz) v in (mv rms into 50 w ) typical device specification limit
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