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Nov 26, 2012 · Forum for Trainees. If you are a trainee and haven’t already applied to join our trainee forum then click HERE The trainee forum is a closed area of the forum where the Forum Mentors will freely share their vast experience within the industry.. Those of you who own large (500 watt and higher) Astron linear power supplies, and even large HF amplifiers, know all too well that "GNNNNnng" sound that they often make when turned on.. If your Astron is going into current limit at random times, this comment from an email sent by Ron Rogers WW8RR is relevant: A VERY common cause of random current limit shutdown in linear Astron supplies is due to the manufacturing process: a bad solder joint.
In the mid 1970s large numbers of small FM transmitters, operating in the FM radio broadcast band (88-108 MHz) appeared on the market. It started with a self-build kit from the Danish manufacturer Jostykit that allowed everyone to build a small FM transmitter for a few Euros.. Creating a preferred vendor parts catalog for AutoCAD® Electrical. When you share the vendor catalog (default_cat.mdb) across a network it is normal to experience a slower response time when performing a part number Lookup.This is due to network traffic/latency.. My Roland Micro Cube, hardly used and just off warranty will make no sound, except for the “A” tuner sound. So I figure the speaker is ok and connected, getting power, etc..
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