Drake 4-NB Other
Manufacturer:
Model:
4-NB
Date:
Category:
Group:
Description:
Noise Blanker

Information

The Model 4-NB is a solid-state noise blanker for use with the R-4C Receiver. Unlike noise clippers or limiters commonly found in communications equipment, the 4-NB is an advanced noise blanker which actually mutes the Receiver for the duration of the noise pulse. Between noise pulses, full Receiver gain is restored. Receiver AGC is affected only by the desired signal and not by noise. The 4-NB is most effective on strong, periodic impulse noise such as ignition noise. It is least effective on random noise. Random noise is continuous in time and the information it masks cannot be recovered by either blanking or limiting techniques.

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Service and User Manual
Manual type:
Service and User Manual
Pages:
3
Size:
88.80 Kbytes (90933 Bytes)
Language:
english
Revision:
Manual ID:
Date:
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2017 08 08
MD5:
d9452e4f75b2b4d02cd63ef57b4c8391
Downloads:
457