noise figure10 links
- 26 elelements 432MHz LFA Yagi
- 26 elements 70cms Yagi for EME ultra low noise excellent G/T figure. Easy self build
[ Hits: 1683 | Votes: 2 | Rating: 10.00 ]
- A Horn Antenna for 2.4 GHz.
- This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.
[ Hits: 10659 | Votes: 30 | Rating: 3.57 ]
- Noise Figure Measurement using Standard Antennas
- Measuring noise fiugre on the W2IMU horn and the dual-dipole-feed
[ Hits: 235 | Votes: 1 | Rating: 3.00 ]
- G/T Simulations - by VE7BQH
- Here you will find information on how antennas behave when stacked
G/T is an important figure-of-merit for the antenna's overall receive performance, because it balances forward gain (G) against received thermal noise (T).
[ Hits: 717 | Votes: 8 | Rating: 7.87 ]
- NFM - noise figure measurement
- NFM (for Noise Figure Meter) is a software application to assist Noise Figure measurement. NFM implements the method of Agilent application notes AN 57-1 and AN 57-2 for noise figure measurement, but with the addition of an adjustable attenuator after the noise source and between the DUT and instrument.
[ Hits: 305 | Votes: 4 | Rating: 7.75 ]
- Noise Meter
- Noise Meter software for the noise meter tool by G8KBB that measure noise using a PC sound card and calculate noise figures by means of a calibrated noise source.
[ Hits: 442 | Votes: 0 | Rating: 0.00 ]
- Friis-It NF for iPhone
- Friis-It NF is the first iPhone OS based application that allows you to calculate noise figure, system sensitivity, and cascaded gain for an RF Receiver system
[ Hits: 431 | Votes: 1 | Rating: 10.00 ]
- 144 MHz preamplifier with BF981
- Design of a preamplifier for 144 MHz with 1 dB NF and 23 dB gain using BF981. This amplifier is using a low cost silicon MOSFET (BF981 from Philips) to give more than 20 dB gain with around 1 dB noise figure on 2 meter.
[ Hits: 17002 | Votes: 27 | Rating: 6.00 ]
- 23 cm GaAs FET preamplifier
- On 23cm the best way to obtain a good RX-sensitivity is to use a GaAs-FET in the front-end, since these devices show very low noise figures.
[ Hits: 3758 | Votes: 5 | Rating: 5.20 ]
- Noise Figure Meter with a Spectrum Analyser
- A relatively simple automatic Noise Figure (NF) meter was developed which is using a spectrum analyser as the receiver and logarithmic power detector.
[ Hits: 806 | Votes: 1 | Rating: 2.00 ]
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