On 3/5/19 11:11 PM, Bruce Griffiths wrote:
2.4/0.1 = 24 not 240 !!!
Indeed,you're right, but still, pretty high Q..
Bruce
On 06 March 2019 at 17:36 jimlux wrote:
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Sent: Wednesday, March 6, 2019 10:32 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Smaller, and smaller antennas
The Chu-Harrington limit for passive antennas (ones without active, non-Foster
circuits) states that for small antennas Q_rad>lambda^3/(2pi a
2.4/0.1 = 24 not 240 !!!
Bruce
> On 06 March 2019 at 17:36 jimlux wrote:
>
>
> On 3/5/19 3:05 PM, Charles Steinmetz wrote:
> > Ho, hum, yet another fantastical claim for magical gain from a
> > tiny-for-wavelength antenna.
> >
> > See the many discussions of same by Kurt N. Sterba over the
On 3/5/19 3:05 PM, Charles Steinmetz wrote:
Ho, hum, yet another fantastical claim for magical gain from a
tiny-for-wavelength antenna.
See the many discussions of same by Kurt N. Sterba over the last several
decades, among many, many others.
The laws of physics are stubborn things
Ho, hum, yet another fantastical claim for magical gain from a
tiny-for-wavelength antenna.
See the many discussions of same by Kurt N. Sterba over the last several
decades, among many, many others.
The laws of physics are stubborn things
Best regards,
Charles
On 3/5/2019 1:48 PM,
On 3/5/19 9:33 AM, Gregory Beat via time-nuts wrote:
No, this is not an “L-band”, GNSS antenna ... BUT it demonstrates the shrinking
size.
NEW Molex 206513 Antenna for 2.4 GHz, 3x3x4 mm in size.
Less than $1.00 for quantity 1, both Mouser and Digi-Key now stocking.
No, this is not an “L-band”, GNSS antenna ... BUT it demonstrates the shrinking
size.
NEW Molex 206513 Antenna for 2.4 GHz, 3x3x4 mm in size.
Less than $1.00 for quantity 1, both Mouser and Digi-Key now stocking.
https://www.digikey.com/en/product-highlight/m/molex/2-4-ghz-ceramic-antenna
