SL1521

SL1521 300MHz WIDEBAND LOG AMPLIFIER The SL1521A and C are wideband amplifiers intended for use in successive detection logarithmic IF strips operating at centre frequencies of up to 200MHz. It is a plug in replacement for the SL521 series of RF amplifiers The midband voltage gain of the SL1521 is typically 12dB The SL1521A and C differ mainly in the tolerance of voltage gain APPLICATIONS s Radar IF strips s Wideband Amplication ABSOLUTE MAXIMUM RATINGS (Non-simultaneous) Storage temperature range Operating temperature range Maximum chip operating resistance Chip to ambient thermal resistance -55°C to +150°C -55°C to +125°C 150°C 250°C/W Test circuits: see Fig.8 ORDERING INFORMATION SL1521 A CM SL1521 AB CM SL1521 C CM SL1521 CB CM Fig.1 Pin connections Fig.2 Circuit diagram CM8 Fig.3 Voltage gain v. frequency Fig.4 Maximum rectified output current v. temperature SL1521 ELECTRICAL CHARACTERISTICS Test condltions (unless otherwise stated): Temperature = +22°C ± 2°C Supply voltage = +5.2V DC connection between input and bias pins Characteristic Circuits Value Min. Typ. Max. Units Voltage gain, f = 120MHz Voltage gain, f = 160MHz Upper cut-off frequency Lower cut-off frequency Propagination delay SL1521A 11.5 12.5 SL1521AC 10.8 13.1 SL1521A 11.2 12.8 SL1521C 10.6 13.4 SL1521A 250 285 SL1521C 285 All types 6 10 All types 0.6 dB dB dB dB MHz MHz MHz ns Maximum rectified video output current SL1521A SL1521C 0.95 0.90 1.05 mA 1.20 mA Variation o...