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Noise Bridges

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MFJ-202B MFJ Noise Bridge

MFJ-202B MFJ Noise Bridge  


Price: £82.95 (Including VAT)     Good Stock Level
Quantity:  

* Range 1 - 100MHz * Antenna resonance * Antenna impedance * Inductive or capacitive reactance * Series tuned resonance * Parallel tuned circuit resonance * Inductance and capacitance * Transmission line adjustment * Balun adjustments * Supply 9V int. battery * Size 115 x 110 x 55mm * Weight 375g
This is a very useful device for determining the value of an unknown impedance. A range expander feture is built-in to extend its measuring capacity. Itcan be used with any receiver covering the desired frequency range.
MFJ-204B MFJ Noise Bridge

MFJ-204B MFJ Noise Bridge  


Price: £102.95 (Including VAT)     Good Stock Level
Quantity:  

* 1.8-30MHz * 1 - 650 Ohms * Supply 9V battery * 12V DC ext.source
The MFJ-204B hand calibrated Antenna Noise Bridge will measure antenna impedance in the range 1 to 650 Ohms. It can be used for adjusting resonant frequency and impedance matching. It can be powered from an internal 9V battery or external 12V DC source.