Complete manual for the Heathkit GD-1B grid dip meter. With compliments, Jogi, Grid Dip Meter GD-1B Equipment Heathkit Brand, Heath Co.; Benton Harbor MI Select picture or schematic to display from thumbnails on the right and click for. The first Heathkit Grid Dip Meter was the GD-1 and it came on the market in It was replaced in by the slightly improved GD-1A, which in turn was.
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Plug-in coils can be quickly changed, and cover the frequency range from 2 mc to mc continuously. A variable sensitivity control assures adequate range of sensitivity maunal the entire frequency range.
100-250mc GD1B Gd-1b Heathkit GD 1b Grid DIP Meter Oscillator W Coils
This set is the 3-prong mounting type and provides continuous extension of low-frequency coverage down to kc. Transformer operated with selenium rectifier. With the oscillator not energized, the instrument acts as a absorption wave meter on high signal level circuits.
Spare, blank dial scales are supplied for the builder who wishes to hand-calibrate this particular instrument, or desires maximum accuracy at specific frequencies. Many factors were considered in the design of this outstanding instrument, resulting in a grid dip meter that is packaged with desirable features.
Plugging headphones into the phonejack further extends the instrument’s usefulness through operation as an oscillator-detector for determining heqthkit frequency of other oscillator circuits through zero beating. Notice that one hand operation is possible.
The coils I wound for my Heathkit GD-1B Dip Meter
Dial correlation curves are included.
The grid dipper may be held in one hand and tuned, leaving the other hand entirely free for making circuit adjustments.
The GD-1B incorporates its own power supply and is transformer operated from the power line. GD-1B Grid Dip Meter Radio amateurs and servicemen have proven the value of this grid dip meter many times over, indispensable in the service shop, the laboratory, or the ham shack, for locating parasitics, spurious oscillations, neutralizing, determining RF circuit resonant frequencies, aligning IF stages, traps and filters, and correcting TVI.
Radio amateurs and servicemen have proven the value of this grid dip meter many times over, indispensable in the service shop, the laboratory, or the ham shack, for locating parasitics, spurious oscillations, neutralizing, determining RF circuit resonant frequencies, aligning IF stages, traps and filters, and correcting TVI. Can also be used to roughly determine capacitor and inductance values, and to provide a relative indication of power in transmitter stages.