ADVANCE INFORMATION 2042-2·1 SL1451 WIDEBAND PLL FM DETECTOR FOR SATELLITE TV The SL1451 is a phase locked loop demodulator for use in wideband FM systems. It is intended for use with an IF input frequency from 300MHz to 700MHz in satellite receivers. It consists of an input RF amplifier, signal level detector, UHF phase detector UHF oscillator and video/loop amplifier. Both positive and negative going video outputs are available. FEATURES ■ Complete PLL System for Wideband FM Demodulator ■ Noise Threshold Performance: 8dB (Typ.) ■ Low External Component Count ■ Positive and Negative going Video Output ■ Demodulates FM Signals with up to 28MHz p-p LOOP FEEDBACK 1 1 16 LOOP FEEDBACK 2 0V 2 15 VIDEO OUTPUT OSCILLATOR EMITTER 3 14 VIDEO OUTPUT OSCILLATOR BASE 4 13 VCC 12 RF IN SL1451 OSCILLATOR VCC 5 PHASE DETECTOR IN 6 11 RF IN PHASE DETECTOR IN 7 10 RF AMP GAIN CONTROL 0V 8 9 AGC OUTPUT DP16 Deviation Fig. 1 Pin connections - top view APPLICATIONS ■ DBS Receivers ■ Wideband Data Communications Demodulation ABSOLUTE MAXIMUM RATINGS ORDERING INFORMATION SL1451 NA DP (16-lead plastic DIL package) RF GAIN CONTROL 10 AGC PHASE DETECTOR INPUTS OUTPUT INPUT INPUT 9 210°C to180°C 11V 255°C to 1150°C 1175°C Operating temperature range Supply voltage, VCC Storage temperature Junction temperature 6 LOOP FEEDBACK INPUT 1 1 7 VCC 13 680 RF INPUT RF INPUT 570 12 11 5 OSC EMITTER VIDEO AMPLIFIER 680 3·3k 16 2·2k OSC BASE 15 570 RF AMPLIFIER OSC VC 14 PHASE DETECTOR 4 OSCILLATOR TRANSISTOR 3 4·9k 820 VEE2 Fig. 2 Block diagram LOOP FEEDBACK INPUT 2 2 8 VEE1 VEE2 VIDEO OUTPUT VIDEO OUTPUT SL1451 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions (unless otherwise stated): TAMB = 125°C, VCC = 7·4V to 9V Characteristic Value Pin Supply current Supply voltage Minimum oscillator frequency Maximum oscillator frequency Phase detector input level from oscillator RF input level Phase detector gain AGC output Typ. Max. 13,5 13,5 40 7·4 70 9 6,7 11,12 400 12·5 55 8·2 300 700 70 40 0·5 300 140 50 14 1·5 240 18 9 Oscillator lock range VCO slope Video output voltage Intermodulation products Video bandwidth 14,15 Conditions Units Min. 100 125 mA V MHz MHz mV mV V/Radian µA µA MHz MHz/V V p-p dBm MHz No input signal 220dBm input signal See note 1 21·4MHz p-p deviation See note 2 NOTES 1. All characteristics from Oscillator Lock Range to Video Bandwidth are measured using the application circuit Fig. 3. 2. Signal 1: 4·433MHz, deviation = 21·4MHz p-p. Signal 2: 6MHz, deviation = 3MHz p-p. 8·2V 4·7µ 330k 100 VIDEO 10n 1k 3·3p 12n 1 16 2 15 3 14 1k 41/2TURNS 22SWG 10n VIDEO 3·3p 3·9p 5 BB405 1n 1n 1n 13 4 SL1451 1n 12 6 11 7 10 8 9 1n 1n 10k Fig. 3 Typical application circuit 2 100 RF INPUT SL1451 NOTES 3 SL1451 PACKAGE DETAILS Dimensions are shown thus: mm (in) 1 PIN 1 REF NOTCH 7·11 (0·28) MAX 1·14/1·65 (0·045/0·107) 7·62 (0·3) NOM CTRS 16 0·23/0·41 (0·009/0·016) 22·00 (0·866) MAX 5·08/(0·20) MAX 0·38/0·61 (0·015/0·24) 0·51 (0·02) 3·05 (0·120) MIN MIN 16 LEADS AT 2·54 (0·10) NOM. SPACING 16-LEAD PLASTIC DIL – DP16 HEADQUARTERS OPERATIONS GEC PLESSEY SEMICONDUCTORS Cheney Manor, Swindon, Wiltshire SN2 2QW, United Kingdom. Tel: (0793) 518000 Fax: (0793) 518411 GEC PLESSEY SEMICONDUCTORS P.O. Box 660017 1500 Green Hills Road, Scotts Valley, CA95067-0017 United States of America. Tel (408) 438 2900 Fax: (408) 438 5576 This package outline diagram is for guidance only. Please contact your GPS Customer Service Centre for further information. CUSTOMER SERVICE CENTRES ● FRANCE & BENELUX Les Ulis Cedex Tel: (1) 64 46 23 45 Tx: 602858F Fax : (1) 64 46 06 07 ● GERMANY Munich Tel: (089) 3609 06-0 Tx: 523980 Fax : (089) 3609 06-55 ● ITALY Milan Tel: (02) 66040867 Fax: (02) 66040993 ● JAPAN Tokyo Tel: (03) 3296-0281 Fax: (03) 3296-0228 ● NORTH AMERICA Integrated Circuits and Microwave Products, Scotts Valley, USA Tel: (408) 438 2900 Fax: (408) 438 7023. Hybrid Products, Farmingdale, USA Tel (516) 293 8686 Fax: (516) 293 0061. ● SOUTH EAST ASIA Singapore Tel: (65) 3827708 Fax: (65) 3828872 ● SWEDEN Stockholm Tel: 4687029770 Fax: 4686404736 ● UK, EIRE, DENMARK, FINLAND & NORWAY Swindon Tel: (0793) 518510 Tx: 444410 Fax : (0793) 518582 These are supported by Agents and Distributors in major countries world-wide. GEC Plessey Semiconductors 1993 Publication No. DS2042 Issue No. 2.1 September 1993 This publication is issued to provide information only which (unless agreed by the Company in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. The Company reserves the right to alter without prior knowledge the specification, design or price of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific piece of equipment. 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