- #CUSHMAN CE 31A SERVICE MANUEL HOW TO#
- #CUSHMAN CE 31A SERVICE MANUEL MANUALS#
- #CUSHMAN CE 31A SERVICE MANUEL UPDATE#
I find this forum to be a great resource for all types of electronic equipment.Īs I stated I lost my attenuator at some point. My actual trade is an Automation technician for the Natural Gas Industry. Although I do restore a few antique radios and other electronics, I also dabble in Vhf communication receivers, etc. I wasn't planning on using my CE-4 to service antique radios. If they aren't, it's outside the range of anything I have to measure them with. Vishay claims their current product carbon film 1/8 Watt through-hole resistors are non-inductive. This doesn't present a problem with something like a single frequency police radio, but using the instrument to tune around a broad spectrum and analyze unknowns can get frustrating. In other words, the output (and input) has spurious signals and so on, away from the frequency of interest. One annoying issue with instruments like this and the Systron Donner competitors is that they do not have pure outputs. But does it really matter all that much? I doubt it. That may be where the "don't try this at home" warnings come from. Cushman shows "phantom" capacitors in some of the attenuator schematics, which the parts list calls something like "overall circuit capacitance" and represents spacing to ground plane of the various traces. One has the fuse showing through a hole in the housing, another has the fuseholder mounted on the housing. There are two or three different part numbers and layouts for this attenuator, they are somewhat different. As Peter points out, the fuse is not where you would expect it to be.
The main problem with the fuses in my experience is that some person has already put a 5 Amp in there after blowing the stock one, and then burned up the resistors. There was an "IF / HF" plug-in which provided for use on IF and something like 1-30 MHz frequencies but I can't recall whether that worked with the CE-3 as I only used them on the CE-4 Series, and I suspect you don't have one anyway. 119 E George St.I don't really see how the CE-3 is going to be of much use on old radios since it's a VHF-UHF instrument and the coverage ranges are segmented rather than continuous, as I recall.
#CUSHMAN CE 31A SERVICE MANUEL HOW TO#
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#CUSHMAN CE 31A SERVICE MANUEL MANUALS#
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#CUSHMAN CE 31A SERVICE MANUEL UPDATE#
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