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Retired
Tracer/Injector Kit
The qrpkits.com Tracer/Injector probe is an easy to use, handheld, piece of
test equipment for diagnosing amplifiers, receivers and transmitters. It
incorporates an LM358N, integrated circuit, half of which is the audio signal
injector and the other half a tracer, incorporating a product detector to allow
you to locate problem stages. With this tool you will be able inject audio
signals through the various stages of your problem circuit, or trace signals
from the front end thus narrowing in on the problem. It is a completely self
contained, handheld device, using an inexpensive readily available battery.
All components are supplied, with easy to follow instructions available for
download. Despite it's small size, it incorporates all through hole components,
and can easily be assembled with the normal kit building tools. All you need to
supply are a pair of earbuds to plug in to the attached audio jack for the
tracer portion of the device.
Injector: |
Injector impedance - 100 ohms
Signal level - 75mV
Harmonic spacing - 1Khz |
Tracer: |
Input impedance - 100,000 ohms
Gain - fully adjustable |
Battery: | 12v, A23 |
Manuals and other useful information
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Tracer Injector Builders Manual (ver 031809)
Using your Injector Tracer
Testing your Injector Tracer (W9HZC)
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