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1064 [2007/11/26 11:27] (current)
n5na created
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 +====== Smart Squelch Model 1064 ====== 
 +===== Description ===== 
 +Also known as the DXer's "​Integrating Squelch,"​ this great circuit liberates your family from hiss, whines and other noises when your receiver is tuned for those unpredictable openings on any HF or VHF band that usually seems DEAD. This "​integrating"​ squelch responds to the cumulative effect of several seconds of weak signal rather than to isolated noise bursts. Connect between rig and external speaker; no receiver modification required. You supply creative 12VDC alarm devices (piezo, chime, strobe, light, etc.) Also may be used to add conventional squelch feature to older receivers, any mode. (strong signals break squelch quickly.)

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