547: Difference between revisions
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This "Sweep Switching" feature differentiates the 547 from the [[546]]. | This "Sweep Switching" feature differentiates the 547 from the [[546]]. | ||
== Triggering == | |||
Triggering is done with [[tunnel diodes]]. | Triggering is done with [[tunnel diodes]]. | ||
The 'A' trigger is based on a 10mA tunnel diode. | The 'A' trigger is based on a 10mA tunnel diode. | ||
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From 11890 onward, it uses a [[152-0140-01]]. | From 11890 onward, it uses a [[152-0140-01]]. | ||
== CRT == | |||
The 547 uses the Tektronix [[154-0478-00]] CRT. | The 547 uses the Tektronix [[154-0478-00]] CRT. | ||
== HV Transformer == | |||
A common problem with 547s is the [[hv_transformer|HV transformer]]. | A common problem with 547s is the [[hv_transformer|HV transformer]]. | ||
Rather than potting the HV transformer in wax, | Rather than potting the HV transformer in wax, | ||
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This is discussed from time to time on the Yahoo TekScopes forum. | This is discussed from time to time on the Yahoo TekScopes forum. | ||
== Vertical Amplifier == | |||
The 547 has a five-stage BJT vertical amplifier that is fully differential from the plug-in | The 547 has a five-stage BJT vertical amplifier that is fully differential from the plug-in | ||
connector to the CRT vertical deflection plates. There is one tube in the vertical signal path, | connector to the CRT vertical deflection plates. There is one tube in the vertical signal path, |