70902A IF Section, 10 Hz to 300 kHz 主要技術規格 Provides narrow resolution bandwidths from 10 Hz to 300 kHz Bandwidths in 10% increments (except 3 kHz to 10 kHz) Logging amplifier and detector 3 MHz IF output allows connection to other instruments 敘述 The 70902A provides narrow resolution bandwidths, from 10 Hz to 300 kHz and can be used in any of the configured systems. This intermediate frequency (IF) section provides signal processing elements required for spectrum analyzers and lightwave signal analyzers. The 70902A maximizes measurement speed using 10% incremental bandwidths. Wide bandwidths offer the most speed, whereas narrow bandwidths offer more resolution and sensitivity. The 10% incremental bandwidth steps offer you the best choice of bandwidth sizes. The bandwidths can also be changed in a 1, 3, 10 sequence. Calibrated logging amplifiers provide superb amplitude accuracy for the analyzers. The 3 MHz IF output on the 70902A allows connection to other instruments such as demodul
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