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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.
LOOP FEEDBACK 1 0V OSCILLATOR EMITTER
1 2 3 4 5 6 7 8
16 15 14 13
LOOP FEEDBACK 2 VIDEO OUTPUT VIDEO OUTPUT VCC RF IN RF IN RF AMP GAIN CONTROL AGC OUTPUT
FEATURES
I Complete PLL System for Wideband FM Demodulator I Noise Threshold Performance: 8dB (Typ.) I Low External Component Count I Positive and Negative going Video Output I Demodulates FM Signals with up to 28MHz p-p
Deviation APPLICATIONS
OSCILLATOR BASE OSCILLATOR VCC PHASE DETECTOR IN PHASE DETECTOR IN 0V
SL1451
12 11 10
9
DP16
Fig. 1 Pin connections - top view
I DBS Receivers I Wideband Data Communications Demodulation
ORDERING INFORMATION
SL1451 NA DP (16-lead plastic DIL package)
ABSOLUTE MAXIMUM RATINGS
Operating temperature range Supply voltage, VCC Storage temperature Junction temperature 210C to180C 11V 255C to 1150C 1175C
RF GAIN CONTROL
10
AGC PHASE DETECTOR INPUTS OUTPUT INPUT INPUT
9 6 7
LOOP FEEDBACK INPUT 1
1
VCC
13
680 RF INPUT RF INPUT
12 11
570 PHASE DETECTOR RF AMPLIFIER 570 VIDEO AMPLIFIER 680
16 2
14 15
VIDEO OUTPUT VIDEO OUTPUT
OSC VC
5
3*3k 2*2k
8
OSC BASE OSC EMITTER
4 3
OSCILLATOR TRANSISTOR
LOOP FEEDBACK INPUT 2
VEE1 VEE2
4*9k
820 VEE2
Fig. 2 Block diagram
SL1451
ELECTRICAL CHARACTERISTICS
These characteristics are guaranteed over the following conditions (unless otherwise stated): TAMB = 125C, VCC = 7*4V to 9V Characteristic Pin Min. Supply current Supply voltage Minimum oscillator frequency Maximum oscillator frequency Phase detector input level from oscillator RF input level Phase detector gain AGC output Oscillator lock range VCO slope Video output voltage Intermodulation products Video bandwidth 13,5 13,5 40 7*4 Value Typ. 55 8*2 300 700 70 40 0*5 300 140 50 14 1*5 240 18 Max. 70 9 mA V MHz MHz mV mV V/Radian A A MHz MHz/V V p-p dBm MHz Units Conditions
6,7 11,12 9
400 12*5
100 125
No input signal 220dBm input signal See note 1 21*4MHz p-p deviation See note 2
14,15
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*7 330k 100 VIDEO 10n
1 16
1k
41/2TURNS 22SWG 3*3p 12n 3*9p
1k
2 3 15 14 13
10n
100 VIDEO
3*3p
4 5 6
1n 1n 1n RF INPUT
SL1451
BB405
12 11 10 9
1n
1n
7 8
1n
10k
Fig. 3 Typical application circuit
2
SL1451
NOTES
3
SL1451
PACKAGE DETAILS
Dimensions are shown thus: mm (in)
1 7*11 (0*28) MAX 16 0*23/0*41 (0*009/0*016) PIN 1 REF NOTCH 7*62 (0*3) NOM CTRS
1*14/1*65 (0*045/0*107) 22*00 (0*866) MAX
5*08/(0*20) MAX
0*51 (0*02) 3*05 (0*120) MIN MIN
0*38/0*61 (0*015/0*24)
16 LEADS AT 2*54 (0*10) NOM. SPACING
16-LEAD PLASTIC DIL - DP16
This package outline diagram is for guidance only. Please contact your GPS Customer Service Centre for further information.
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
CUSTOMER SERVICE CENTRES G FRANCE & BENELUX Les Ulis Cedex Tel: (1) 64 46 23 45 Tx: 602858F Fax : (1) 64 46 06 07 G GERMANY Munich Tel: (089) 3609 06-0 Tx: 523980 Fax : (089) 3609 06-55 G ITALY Milan Tel: (02) 66040867 Fax: (02) 66040993 G JAPAN Tokyo Tel: (03) 3296-0281 Fax: (03) 3296-0228 G 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. G SOUTH EAST ASIA Singapore Tel: (65) 3827708 Fax: (65) 3828872 G SWEDEN Stockholm Tel: 4687029770 Fax: 4686404736 G 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. (c) 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. It is the user's responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or data used is up to date and has not been superseded. These products are not suitable for use in any medical products whose failure to perform may result in significant injury or death to the user. All products and materials are sold and services provided subject to the Company's conditions of sale, which are available on request.
4
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Purchase of Zarlink s I2C components conveys a licence under the Philips I2C Patent rights to use these components in and I2C System, provided that the system conforms to the I2C Standard Specification as defined by Philips. Zarlink and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc. Copyright 2001, Zarlink Semiconductor Inc. All Rights Reserved.
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