Probe power: Difference between revisions

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Many Tektronix instruments '''provide power for active probes'''.
Many Tektronix instruments '''provide power for [[Active_Probes|active probes]]'''.
A number of different configurations were used over time:
A number of different configurations were used over time:


* The [[513]] provides +225 V, +6.3 V, and a variable supply producing +15 V to +150 V, on a 4-pin connector.
* The [[513]] provides +225 V, +6.3 V, and a variable supply producing +15 V to +150 V, on a 4-pin connector.
* The [[517]], [[128]] and [[1121]] provide +120 V and +6.3 V for [[P170CF]] or [[P500CF]] cathode-follower probes.
* The [[517]], [[128]] and [[1121]] provide +120 V and +6.3 V for [[P170CF]] or [[P500CF]] cathode-follower probes.
* The [[1S1]], [[3S1]] and [[3S76]] provide +100 V and −12.2 V for [[P6032]] cathode-follower probes or [[282]] active adapters.
* The [[1S1]], [[3S1]] and [[3S76]] provide +100 V and −12.2 V for [[P6032]] cathode-follower probes or [[282]] active adapters. (The [[1S1]] supplies -19 V through a 35 Ω resistor to pin B, creating about -12 V when accounting for the filament current of the [[P6032]].)
* The [[4S1]] provides +100 V, −12.6 V, and −25.2 V for [[P6032]] probes or [[282]] active adapters.
* The [[4S1]] and [[4S2]] provides +100 V, −12.6 V, and −25.2 V for [[P6032]] probes or [[282]] active adapters.
* The [[N]] provides +100 V and 6.3 V<sub>AC</sub> for [[P6025]] cathode-follower probes.
* The [[N]] provides +100 V and 6.3 V<sub>AC</sub> for [[P6025]] cathode-follower probes. Type N units with serial numbers under 221 didn't come with probe power. A mod kit was available to add probe power to pre-sn221 Type N units.  
* The [[015-0073-00]] has a 3-pin probe power connector (Sealectro 55-850-0018-98(?)), the [[454]]/[[454A]] a pair of these, providing +12.5 V and −12.5 V for probes [[P6045]], ...
* The [[015-0073-00]] has a 3-pin probe power connector (Sealectro 55-850-0018-98(?)), the [[454]]/[[454A]] a pair of these, providing +12.5 V and −12.5 V for probes [[P6045]], ...
* [[7000-series scopes]] (not all models), [[475]], [[485]], the [[1101]] probe power supply, and the [[2707]] tracking generator provide +15 V, +5 V, and −15 V through a [[LEMO S-series connector]] for probes like [[P6201]], [[P6202A]], [[P6230]], [[P6051]] etc.
* [[7000-series scopes]] (not all models), [[475]], [[485]], the [[1101]] probe power supply, the [[2707]] tracking generator, and most [[49X_Series_Comparison|49X-Series Spectrum Analyzers]] provide +15 V, +5 V, and −15 V through a [[LEMO S-series connector]] for probes like [[P6201]], [[P6202A]], [[P6230]], [[P6051]] etc.
* [[Tekprobe BNC connector|TekProbe BNC]], [[Tekprobe SMA connector|TekProbe SMA]] and [[TekConnect interface|TekConnect]] are proprietary probe-scope interfaces that combine signal and probe power as well as control (e.g. offset voltage), and provide the scope with information about the type of probe connected.   
* [[Tekprobe BNC connector|TekProbe BNC]], [[Tekprobe SMA connector|TekProbe SMA]] and [[TekConnect interface|TekConnect]] are proprietary probe-scope interfaces that combine signal and probe power as well as control (e.g. offset voltage), and provide the scope with information about the type of probe connected.   


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513 probe power.jpg      | 513 probe power connector
513 probe power.jpg      | 513 probe power connector
Tek 015-0073-00 output connector.png|[[454]]/[[015-0073-00]] probe power connector
Tek 015-0073-00 output connector.png|[[454]]/[[015-0073-00]] probe power connector
3S76_ProbePowerCon_Schematic.png| [[3S76]] probe power connector (identical to [[3S1]] pinout, similar to [[1S1]])
4S2_ProbePowerCon_Schematic.png| [[4S2]] probe power connector (identical to [[4S1]] pinout)
</gallery>
</gallery>


[[Category:Oscilloscope Probes]]
[[Category:Oscilloscope probes]]

Latest revision as of 00:44, 5 July 2023

Many Tektronix instruments provide power for active probes. A number of different configurations were used over time:

  • The 513 provides +225 V, +6.3 V, and a variable supply producing +15 V to +150 V, on a 4-pin connector.
  • The 517, 128 and 1121 provide +120 V and +6.3 V for P170CF or P500CF cathode-follower probes.
  • The 1S1, 3S1 and 3S76 provide +100 V and −12.2 V for P6032 cathode-follower probes or 282 active adapters. (The 1S1 supplies -19 V through a 35 Ω resistor to pin B, creating about -12 V when accounting for the filament current of the P6032.)
  • The 4S1 and 4S2 provides +100 V, −12.6 V, and −25.2 V for P6032 probes or 282 active adapters.
  • The N provides +100 V and 6.3 VAC for P6025 cathode-follower probes. Type N units with serial numbers under 221 didn't come with probe power. A mod kit was available to add probe power to pre-sn221 Type N units.
  • The 015-0073-00 has a 3-pin probe power connector (Sealectro 55-850-0018-98(?)), the 454/454A a pair of these, providing +12.5 V and −12.5 V for probes P6045, ...
  • 7000-series scopes (not all models), 475, 485, the 1101 probe power supply, the 2707 tracking generator, and most 49X-Series Spectrum Analyzers provide +15 V, +5 V, and −15 V through a LEMO S-series connector for probes like P6201, P6202A, P6230, P6051 etc.
  • TekProbe BNC, TekProbe SMA and TekConnect are proprietary probe-scope interfaces that combine signal and probe power as well as control (e.g. offset voltage), and provide the scope with information about the type of probe connected.