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SL531 - 250Mhz TRUE LOG IF Amplifier

Description

The SL531 transfer characteristic has two regions For small input signals it has a nominal gain of 10 dB.

Features

  • s s s Low Phase Shift vs Amplitude On-Chip Supply Decoupling Low External Components Count.

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Datasheet Details

Part number SL531
Manufacturer Gec Plessey
File Size 90.82 KB
Description 250Mhz TRUE LOG IF Amplifier
Datasheet download datasheet SL531 Datasheet

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Full PDF Text Transcription

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THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS ADVANCE INFORMATION DS3608 - 2.0 SL531 250MHz TRUE LOG IF AMPLIFIER The SL531 C is a wide band amplifier designed for use in logarithmic IF amplifiers of the true log type. The input and log output of a true log amplifier are at the same frequency i e detection does not occur. In successive detection log amplifiers (using SL521 SL1521 types) the log output is detected. The small signal gain is 10dB and bandwidth is over 500MHz. At high signal levels the gain of a single stage dropstounity. A cascade of such stages give a close approximation to a log characteristic at centre frequencies between 10and 200MHz. An important feature of the device is that the phase shift is nearly constant with signal level.
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