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7A24: Difference between revisions
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* [[Media:070-2391-00.pdf|Tektronix 7A24 Manual]] (later version SN B103000+, OCR) | * [[Media:070-2391-00.pdf|Tektronix 7A24 Manual]] (later version SN B103000+, OCR) | ||
}} | }} | ||
The '''Tektronix 7A24''' is a | The '''Tektronix 7A24''' is a 400 MHz dual-channel vertical plug-in for [[7000-series scopes]] with (fused) 50 Ω [[BNC]] inputs. It is the fastest multi-channel plug-in available for the 7000 series. Unlike most other plug-ins, it does not offer AC input coupling. | ||
It is the fastest multi-channel plug-in available for the 7000 series. Unlike most other plug-ins, it does not offer AC input coupling. | |||
A single-channel version was planned as the 7A25 but did not make it into production. | A single-channel version was planned as the [[7A25]] but did not make it into production. | ||
The 7A24 would typically have been used in [[7834]], [[7844]] or [[7854]] mainframes. | The 7A24 would typically have been used in [[7834]], [[7844]] or [[7854]] mainframes. | ||
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{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | Bandwidth | 400 MHz (71xx) / 350 MHz (79xx) / 300 MHz (78xx) }} | {{Spec | Bandwidth | 400 MHz (71xx) / 350 MHz (79xx) / 300 MHz (78xx) }} | ||
{{Spec | Deflection | 5 mV/Div to 1 V/Div (1–2–5), variable ×2.5 (up to 2.5 V/Div) }} | {{Spec | Deflection | 5 mV/Div to 1 V/Div (1–2–5), variable ×2.5 (up to 2.5 V/Div) }} | ||
{{Spec | Input impedance | 50 Ω }} | {{Spec | Input impedance | 50 Ω }} | ||
{{Spec | Maximum input | 5 V (0.5 W) − no damage below 10 V (2 W) }} | {{Spec | Maximum input | 5 V (0.5 W) − no damage below 10 V (2 W) }} | ||
{{Spec | Timing | Delay difference between channels < 200 ps }} | {{Spec | Timing | Delay difference between channels <200 ps }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
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attenuator modules held to the switching PCB using steel springs. | attenuator modules held to the switching PCB using steel springs. | ||
The amplifier is built using the Tek-made differential amplifier [[155-0078-00|155-0078-xx]] (four units | The amplifier is built using the Tek-made differential amplifier [[155-0078-00|155-0078-xx]] (four units per channel in early, five in late versions; various grades). | ||
per channel in early, five in late versions; various grades). In the 5 mV/Div range only, the amplifier gain | In the 5 mV/Div range only, the amplifier gain is doubled electronically. | ||
is doubled electronically. The signal trace layout on the PCB is designed to provide [[T-coil peaking]]. | The signal trace layout on the PCB is designed to provide [[T-coil peaking]]. | ||
The 7A24 does not use the ±50 V supplies provided by the mainframe. | The 7A24 does not use the ±50 V supplies provided by the mainframe. | ||
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==Links== | ==Links== | ||
* [ | * [https://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_7000_series_amplifier/amplifier_7A24.htm Tek 7A24 page @ amplifier.cd] | ||
* [http://www.barrytech.com/tektronix/tek7000/tek7a24.html Tek 7A24 page @ barrytech.com] | * [http://www.barrytech.com/tektronix/tek7000/tek7a24.html Tek 7A24 page @ barrytech.com] | ||