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{{TM500 | mfg=Tektronix | type=067-0885-00 | | {{TM500 | ||
|mfg=Tektronix | |||
|type=067-0885-00 | |||
|function=microwave comb generator | |||
|class=calibration | |||
|image=tek067-0885-00.jpg | |||
|introduced=1979 | |||
|discontinued=(?) | |||
|designers= | |||
|manuals= | |||
* [[Media:070-2858-00.pdf|067-0885-00 Comb Generator Manual]] | * [[Media:070-2858-00.pdf|067-0885-00 Comb Generator Manual]] | ||
* [[Media:TM-9-6695-273-34P.pdf|US Army Parts List]] | * [[Media:TM-9-6695-273-34P.pdf|US Army Parts List]] | ||
}} | }} | ||
The comb generator is commonly used as an accessory to the [[2794 | 2790 series of spectrum analyzers]], and also for calibration of the [[7L18]]. | |||
It consists of a TM500 plug-in containing a 500 MHz, +30 dBm (1 W) signal source that can be frequency- or pulse-modulated externally, a coaxial cable, 3 dB attenuator, and a comb generator module (015-1054-00). | |||
and | |||
When output of the signal source is applied to the comb generator module via the coaxial cable. | |||
a comb line (spectrum) of markers is generated, which are harmonics of the fundamental 500 MHz. | |||
The crystal controlled source provides an accurate reference to check frequency readout accuracy up to 20 GHz. | The crystal controlled source provides an accurate reference to check frequency readout accuracy up to 20 GHz. | ||
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Tek067-0885-00rear.jpg | Tek067-0885-00rear.jpg | ||
Tek 067-0885-00 comb generator.jpg | Comb Generator Module | Tek 067-0885-00 comb generator.jpg | Comb Generator Module | ||
Tek 067-0885-00 left internal.jpg | |||
Tek 067-0885-00 right internal.jpg | |||
Tek 015-1054-00 1.jpg | |||
Tek 015-1054-00 2.jpg | |||
Tek 015-1054-00 3.jpg | |||
</gallery> | </gallery> |