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7CT1N: Difference between revisions
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* [http://w140.com/smb/7ct1n_sm.pdf Tektronix 7CT1N Manual (OCR, PDF)] | * [http://w140.com/smb/7ct1n_sm.pdf Tektronix 7CT1N Manual (OCR, PDF)] | ||
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The '''Tektronix 7CT1N''' is a [[curve tracer]] plug-in for [[7000-series scopes]]. | The '''Tektronix 7CT1N''' is a [[curve tracer]] plug-in for [[7000-series scopes]]. The [[5CT1N]] plug-in for [[5000-series scopes]] is very similar. | ||
It can be installed in either a vertical or a horizontal compartment, a front-panel switch must be set accordingly. | It can be installed in either a vertical or a horizontal compartment, a front-panel switch must be set accordingly. | ||
A pull-out cable with a plastic BNC plug connects to the input of a module installed in the corresponding | A pull-out cable with a plastic BNC plug connects to the input of a module installed in the corresponding | ||
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==Common Problems== | ==Common Problems== | ||
C30 and C32 (100 μF, 25 V) have a tendency to leak or short, | C30 and C32 (100 μF, 25 V) [http://hakanh.com/dl/docs/hardtofind/CT1N.pdf are under-rated] and therefore have a tendency to leak or short, | ||
causing associated resistors R30 and R32 (240 Ω, .25W, 5%) to overheat and fail. | causing associated resistors R30 and R32 (240 Ω, 0.25W, 5%) to overheat and fail. C30 and C32 should be replaced with modern equivalents rated at 63 V. | ||
==Prices== | ==Prices== | ||
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<gallery> | <gallery> | ||
tek-7ct1n-front.jpg | 7CT1N front | |||
tek-7ct1n-left.jpg | 7CT1N left side | |||
tek-7ct1n-right.jpg | 7CT1N right side | |||
7ct1n-bc337.jpg | 7CT1N tracing a BC337 | |||
</gallery> | </gallery> | ||