GAE GA1011 Manual do utilizador do produto - Página 9

Procurar online ou descarregar pdf Manual do utilizador do produto para Sintonizador GAE GA1011. GAE GA1011 10 páginas. High power e-h tuner

Product User Manual

Model GA101x Series High Power E-H Tuner

False Null

The above procedure can sometimes lead to a false indication of

reflected power minimization. That is, it may appear that adjusting

either plunger will result in an increase of reflected power. This

"false null" can be overcome by detuning one plunger and retuning

the other in order to find another null using different plunger

positions.

The GA101x series tuners are designed for continuous use at

microwave power levels up to 6kW depending on model. However,

under certain high power conditions, such as a high Q factor, it may

be possible to cause excessive heating that may be hazardous to

operating personnel and/or result in damage.

The electric field strength in any waveguide device is a function of

both power level and Q factor. Excessively high electric fields can

result in discharge (arcing) and/or overheating due to resistive

losses. High Q may be tolerable at low power while the same Q can

be damaging at high power. Although the tuners are expected to

perform satisfactorily under moderate Q factors at higher power

levels, the operator should exercise caution to prevent damage due

to arcing or overheating under these conditions.

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