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| THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS SL560 ADVANCE INFORMATION DS3297 - 2.1 SL560 300MHz LOW NOISE AMPLIFIER This monolithic circuit contains three very high performance transistors and associated biasing components in an eightlead TO-5 package forming a 300MHz low noise amplifier. The configuration employed permits maximum flexibility with minimum use of external components. The SL560C is a general purpose low noise, high frequency gain block. The device is also available as the SL560AC which has guaranteed operation over the fully Military Temperatures Range and is screened to MIL-STD-883 Class B. Data is available separately. INPUT 50 APPLICATIONS INPUT COMMON BASE CONFIGURATION 8 GROUND 7 6 5 4 1 INPUT COMMON EMITTER CONFIGURATION SL560 3 2 OUTPUT CURRENT SET GAIN SET Vcc OUTPUT FEATURES s s s s s Gain up to 40dB Noise Figures less than 2dB (Rs 200 ohm) Bandwidth 300MHz Supply Voltage 2-15V (Depending on Configuration) Low Power Consumption GROUND OUTPUT CURRENT SET OUTPUT Vcc Bottom view 1 2 3 4 8 CM8 INPUT 50 OHMS APPLICATIONS INPUT COMMON BASE INPUT COMMON EMITTER GAIN SET SL 560 7 6 5 Top view DP8 APPLICATIONS s Radar IF Preamplifiers Fig.1 Pin connections s s s s s s s s Infra-Red Sysems Head Amplifiers Amplifiers in Noise Measurement Systems Low Power Wideband Amplifiers GAIN SET 5 10k 240 TR1 6 7 10k 30 500 1k 200 2 OUTPUT CURRENT SET 8 2k 1 GROUND TR2 TR3 3 OUTPUT 560 4 Vcc Instrumentation Preamplifiers 50 ohm Line Drivers Wideband Power Amplifiers Wideband Dynamic Range IF Amplifiers Aerial Preamplifiers INPUT (50 APPLICATIONS) INPUT (COMMON EMITTER CONFIGURATION) INPUT (COMMON BASE CONFIGURATION) ABSOLUTE MAXIMUM RATINGS Supply voltage Storage temperature SL560C DP SL560C CM Junction temperature SL560C DP SL560C CM Operating temperature range SL560C DP SL560C CM Thermal resistance Chip-to-ambient SL560C CM SL560C DP Chip-to-case SL560C CM SL560C DP +15V -55C to +150C -65C to +150C +150C +175C -30C to +85C -55C to +125C Fig.2 SL560C circuit diagram ORDERING INFORMATION SL560 C CM SL560 C DP 5962-90520 (SMD) 225C/W 111C/W 65C/W 71C/W SL560 SUPPLY DECOUPLING CAPACITOR 5 6 7 8 1 +VCC GROUND 4 3 2 I/P O/P SUBVIS/BNC SOCKET LINK Fig.3 PC layout for 50 line driver (see Fig.6) SL560 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions (unless otherwise stated) Frequency = 30MHz; VCC=6V; RS = RL =50; TAMB=22C 2C; Test Circuit: Fig.6 Characteristic Small signal voltage gain Gain flatness Upper cut-off frequency Output swing Noise figure (common emitter) Supply current Min. 11 Typ. 14 1.5 250 +7 +11 1.8 3.5 20 Max. 17 Units dB dB MHz dBm dBm dB dB mA Conditions 10MHz - 220MHz VCC6V VCC = 9V RS = 200 RS = 50 +5 30 CIRCUIT DESCRIPTION Three high performance transistors of identical geometry are employed. Advanced design and processing techniques enable these devices to combine a low base resistance (Rbb') of 17 (for low noise operation) with a small physical size giving a transition frequency, fT, in excess of 1GHz. The input transistor (TR1) is normally operating in common base, giving a well defined low input impedance. The full voltage gain is produced by this transistor and the output voltage produced at its collector buffered by the two emitter followers (TR2 and TR3). To obtain maximum bandwidth the capacitance at the collector of TR1 must be minimised. Hence, to avoid bonding pad and can capacitances, this point is not brought out of the package. The collector load resistance of TR1 is split, the tapping being accessible via pin 5. If required, an external roll-off capacitor can be fixed to this point. The large number of circuit nodes accessible from the outside of the packages affords great flexibility, enabling the operating current and circuit configuration to be optimised for any application. In particular, the input transistor (TR1) can be operated in common emitter mode by decoupling pin 7 and using 6 as the input. In this configuration, a 2dB noise figure (RS = 200) can be achieved. This configuration can give a gain of 35dB with a bandwidth of 300MHz (see figs. 10 and 11). Because the transistors used in the SL560C exhibit a high value of fT, care must be taken to avoid high frequency instability. Capacitors of small physical size should be used, the leads of which must be short as possible to avoid oscillation brought about by stray inductance. The use of a ground plane is recommended. 15 12 10 GAIN (dB) 10 POUT (dBm) TA = +25C VCC = 6V POUT = (a) +5dBm (b) 0dBm 8 6 4 2 TA = +25C VCC = a) 6V (b) 9V (b) (b) 5 (a) (a) 0 10 30 50 100 200 300 0 10 30 FREQUENCY (MHz) 100 FREQUENCY (MHz) 200 300 Fig.4 Frequency response, small signal gain is of a typical device Fig.5. Frequency response, output capability (loci of maximum output power with frequency for 1dB gain compression (typical) SL560 TYPICAL APPLICATIONS +6V 1.8 50 OUTPUT 10n 3 2 1 4 5 6 1.6 INPUT VSWR 10n TA = +25C VCC = (a) 3V (b) 6V (c) 9V (a) 8 7 1.4 (b) INPUT 10n 1.2 Gain 14dB Bandwidth 220MHz (POUT = 1mW, 50) 200MHz (POUT = 5mW, 50) Input SWR 1.5:1 (c) 10 100 200 400 300 FREQUENCY (MHz) Fig.6 50 lin driver. The response of this configuration is shown in Fig.4 Fig.7 Input standing wave ratio plot of circuit shown in Fig.6 (typical) V 10n OUTPUT 3 2 1 8 7 4 5 6 CC 10n INPUT 40 10k 10n 35 30 GAIN (dB) 0V 25 20 15 10 5 0 10 20 30 50 100 200300 500 FREQUENCY (MHz) 1000 Voltage gain 32dB at 6V 35dB at 10V Noise figure 1.8dB (Rs = 200) Supply current 6mA at 6V 12mA at 10V Bandwidth 75MHz (see Fig.9) Fig.8 Low Noise preamplifier Fig.9 Frequency response of circuit shown in Fig.8 (typical) 470 1n 15 VCC 1n OUTPUT (b) GAIN (dB) 3 2 1 4 5 6 10n INPUT 1n 15 15 0V 10 TA = +25C VCC = (a) 6V (b) 9V (a) 8 7 27p 56p 5 Gain 13dB at Vcc = 9V -1dB at 6MHz and 300MHz 10 100 200 300 400 FREQUENCY (MHz) Fig.10 Wide bandwidth amplifier Fig.11 Frequency response of circuit shown in Fig.10 (typical) SL560 0.1 1n OUTPUT 3 2 1 8 7 4 5 6 2 1 8 7 3 4 5 6 2 1 8 7 3 4 5 6 0.1 47 INPUT 1n 1n 1n Fig.12 Three-stage directly-coupled high gain low noise amplifier +2V 10n 60 (b) (c) OUTPUT 3 2 1 8 7 4 5 6 10n INPUT GAIN (dB) 40 TA = +25C VCC = (a) 4V (b) 6V (c) 9V (a) 10n 0V 20 0 20 50 70 100 FREQUENCY (MHz) 200 300 Gain 13dB Power supply current 3mA Bandwidth 125MHz Noise figure 2.5dB (Rs = 200) Fig.13 Frequency response of circuit shown in Fig.12 (typical) Fig.14 Low power consumption amplifier 700 DISSIPATION (mW) 600 500 400 300 TO5 200 100 DIP 40 50 60 70 80 90 100 110 120 130 140 150 TEMPERATURE (C) Fig.15 Ambient operating temperature V. degrees centigrade (typical) SL560 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, California 95067-0017, United States of America. Tel: (408) 438 2900 Fax: (408) 438 5576 CUSTOMER SERVICE CENTRES * FRANCE & BENELUX Les Ulis Cedex Tel: (1) 64 46 23 45 Fax : (1) 64 46 06 07 * GERMANY Munich Tel: (089) 3609 06-0 Fax : (089) 3609 06-55 * ITALY Milan Tel: (02) 66040867 Fax: (02) 66040993 * JAPAN Tokyo Tel: (03) 5276-5501 Fax: (03) 5276-5510 * NORTH AMERICA Scotts Valley, USA Tel (408) 438 2900 Fax: (408) 438 7023. * SOUTH EAST ASIA Singapore Tel: (65) 3827708 Fax: (65) 3828872 * SWEDEN Stockholm, Tel: 46 8 702 97 70 Fax: 46 8 640 47 36 * UK, EIRE, DENMARK, FINLAND & NORWAY Swindon Tel: (0793) 518510 Fax : (0793) 518582 These are supported by Agents and Distributors in major countries world-wide. (c) GEC Plessey Semiconductors 1994 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. For more information about all Zarlink products visit our Web Site at www.zarlink.com Information relating to products and services furnished herein by Zarlink Semiconductor Inc. trading as Zarlink Semiconductor or its subsidiaries (collectively "Zarlink") is believed to be reliable. However, Zarlink assumes no liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such information, product or service or for any infringement of patents or other intellectual property rights owned by third parties which may result from such application or use. Neither the supply of such information or purchase of product or service conveys any license, either express or implied, under patents or other intellectual property rights owned by Zarlink or licensed from third parties by Zarlink, whatsoever. Purchasers of products are also hereby notified that the use of product in certain ways or in combination with Zarlink, or non-Zarlink furnished goods or services may infringe patents or other intellectual property rights owned by Zarlink. This publication is issued to provide information only and (unless agreed by Zarlink 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. The products, their specifications, services and other information appearing in this publication are subject to change by Zarlink without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability 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. Manufacturing does not necessarily include testing of all functions or parameters. 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 Zarlink's conditions of sale which are available on request. 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. TECHNICAL DOCUMENTATION - NOT FOR RESALE |
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