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Hp 3488A switching/control hp-ib mainframe
The HP 3488A is an economical approach to flexible switching through plug-in modules. You can select the right combination of switching functions to meet both performance and budget needs. Testing is simplified by having one solution for connections of low-level DVM inputs, high-level dc and ac power, and microwave signals to 26.5 GHz. Additional devices, such as microwave relays and programmable attenuators, are easily controlled with digital I/O functions. Custom circuitry can also be implemented on breadboard modules.
The HP 3488A can store up to 40 complete switch configurations for convenient recall in automated test programs. Switch operation can be done with multiple relay closures or with selectable channels in a break-before-make mode. Break-before-make and recallable switch configurations can be combined in a programmable scan list. The HP 3488A uses removable screw connectors that provide easily interchangeable wiring for each test. Built-in self-test assures proper operation.
Unit is in good working condition.Passes self-tests but has broken power button.Now requires a pencil or something similar to push the on/off button.
