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Author Topic: Seeking help from a Tektronix spectrum analyzer, part ROS-4720-1 voltage control  (Read 354 times)

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Offline gejianyongTopic starter

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Seeking help from a Tektronix spectrum analyzer, part ROS-4720-1 voltage control
« on: May 03, 2024, 09:52:47 am »
Seeking help from a Tektronix spectrum analyzer, part ROS-4720-1 voltage controlled oscillator VCO, malfunctioned when the temperature was slightly higher. measure the input+ to ground voltage drop rapidly as the temperature increased. Suspected it to be a damaged SMT transistor labeled 86, unknown specific replacement model. Seeking help
« Last Edit: May 03, 2024, 10:49:12 am by gejianyong »
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Offline Testtech

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Re: Seeking help from a Tektronix spectrum analyzer, part ROS-4720-1 voltage control
« Reply #1 on: May 04, 2024, 09:54:24 pm »
That is a mini-circuits lab part. Search for the MCL- part number.
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