Mosquito Signal Tracer
Don Bosco Electronics Inc.; Hanover (N.J.)
- País
- Estados Unidos
- Fabricante / Marca
- Don Bosco Electronics Inc.; Hanover (N.J.)
- Año
- 1959 ??
- Categoría
- Aparato de medida y servicio (Equipo de laboratorio).
- Radiomuseum.org ID
- 111885
- Gama de ondas
- - no hay
- Tensión de funcionamiento
- Pilas / 1,5 Volt
- Material
- Materiales diversos
- de Radiomuseum.org
- Modelo: Mosquito Signal Tracer - Don Bosco Electronics Inc.;
- Forma
- Formas varias descritas en notas aparte.
- Anotaciones
- Pen style signal tracer for servicing transistor radios.
- Procedencia de los datos
- -- Collector info (Sammler)
- Autor
- Modelo creado por un miembro de A. Ver en "Modificar Ficha" los participantes posteriores.
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Contribuciones en el Foro acerca de este modelo: Don Bosco: Mosquito Signal Tracer
Hilos: 2 | Mensajes: 2
My example was not functioning and I decided to dismantle the probe to understand its function and design.
The dismantle process can only be done in a destructive manner but yielded useful information as follows:
The device is essentially composed of a non blocking oscillator comprising only a pulse transformer with two windings, a PNP transistor (2N408) and a capacitor of value around 500pf. The precise value was not readable as the capacitor appears to have been damaged (probably by connection to a high voltage equipment under test).
The circuit appears very similar to the Eico injector of a similar vintage (details on antiqueradios.com).
David Sanderson, 27.May.18
I have an example of this Dom Bosco signal injector.
Further information about the device is available on the a web site run by Steve Johnson.
David Sanderson, 27.May.18