[ARC5] BC-AS-230 Transmitter, part 1 - tube adapters, general clean-up, q...

[WA5CAB--- via ARC5]

SIG 5 agrees with the 5 ohms and 100 uufd but says 6200 KC to 7700 KC.  I 
don't know which is correct.  

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

In a message dated 12/22/2014 16:24:02 PM Central Standard Time, 
kd5byb at gmail.com writes: 
> On 12/22/2014 6:52 AM, Mike Hanz wrote:
> >
> >Most of the SCR-183 manuals contain this excerpt:
> >
> >(a) Antenna A-55. This is a small phantom
> >antenna having a capacity of 100 mmfd. with a
> >resistance of 5 ohms. If the unit is not available
> >a substitute may be used, for approximate measurements,
> >consisting of a small mica condenser
> >and a wire resistance, connected in series between
> >the Transmitter antenna and ground binding
> >posts. The condenser should be of standard
> >make, rated capacity 100 mmfd. and the resistor
> >should have a d-c resistance of 3.5 to 4 ohms.
> >Antenna A-55 is suitable for bench testing
> >throughout the range 4000-7700 kc. The capacity
> >of 100 mmfd. is too small for use throughout
> >the entire range of 2500 to 4000 kc, and if tests
> >are desired in these bands a substitute unit
> >should be used having a higher capacity: A unit
> >having a capacity of 200 mmfd. with a resistance
> >of 5 ohms is suitable for testing throughout the
> >whole of this lower frequency range.
> >
> >73,
> >Mike  KC4TOS

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480