Results of NF-Measurments - VHF › soubory › dokumenty › gajow-2019.pdf · Results of...
Transcript of Results of NF-Measurments - VHF › soubory › dokumenty › gajow-2019.pdf · Results of...
![Page 1: Results of NF-Measurments - VHF › soubory › dokumenty › gajow-2019.pdf · Results of NF-Measurments and Noise-Head ENR 1 Gajow, June 7th 2019 Dominique HB9CW Thanks to my 2nd-Operator,](https://reader033.fdocuments.net/reader033/viewer/2022052612/5f0dc4a57e708231d43bfd5a/html5/thumbnails/1.jpg)
Results of
NF-Measurmentsand
Noise-Head ENR
1
Gajow, June 7th 2019 Dominique
HB9CW
Thanks to my 2nd-Operator, Bogdan, SQ9JKV
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Our notes on 144 MHz LNAs
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Gajow, June 7th 2019 Dominique
HB9CW
OWNER MADE BY # NF GAIN REMARKS
SP0VHF 1 0.64 20.2
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Our notes on 432 MHz LNAs
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Gajow, June 7th 2019 Dominique
HB9CW
No LNA to be measured
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Our notes on 1296 MHz LNAs
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Gajow, June 7th 2019 Dominique
HB9CW
OWNER MADE BY # NF GAIN REMARKS
SP2FRY 2 5.1 22.9
ON7UN 1 0.22 36.6
DB9SB G4DDK 1 0.26 36 not stable
SP3XBO G4DDK 1 0.28 36
SP7CKH US4ICI 1 0.412 29.9
SQ9JKV 1 0.43 15.5
SP3XBO 2 1.18 31.9
SP2FRY 1 FAULT
HB9BBD HB9BBD 1 0.14 41.8
HB9BBD HB9BBD 2 0.14 42.3
SP5MX GRF2051 1 0.7 18.7
SP5MX OPL9057 2 0.84 20
SP5MX MAAL011134 3 1.1 23
SP5MX SKY67151 4 0.7 21
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Our notes on 2400 MHz LNAs
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Gajow, June 7th 2019 Dominique
HB9CW
OWNER MADE BY # NF GAIN REMARKS
DB9SB 1 0.4 26.3
DB9SB 2 0.27 26.8
SP3XBO 2 0.78 24.6 BEFORE TUNING
SP3XBO 2 0.67 29.3 AFTER TUNUNG
SP5IPV 1 3.6 18.1
SP3XBO 1 3.79 18.1 5V BROADBAND
SP2HMR DB6NT 1 0.45 14.2
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Our notes on 3,4 GHz LNAs
6
Gajow, June 7th 2019 Dominique
HB9CW
OWNER MADE BY # NF GAIN REMARKS
SP3XBO 1 0.62 15.9
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Our notes on 5,7 GHz LNAs
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Gajow, June 7th 2019 Dominique
HB9CW
OWNER MADE BY # NF GAIN REMARKS
SP9HMR 1 1.45 9.4
SP3XBO 1 0.77 13.6
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Our notes on 10 GHz LNAs
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Gajow, June 7th 2019 Dominique
HB9CW
OWNER MADE BY # NF GAIN REMARKS
SQ9JKV 1 0.96 13
ON7UN EA5JF 3 0.78 26.5
ON7UN EA5JF 2 0.84 22.9
ON7UN EA5JF 4 0.75 26.3
SP5IPV CELERITEX 1 5.5 24
HB9BBD HB9BBD 1 0.68 25.1
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Transverters
9
Gajow, June 7th 2019 Dominique
HB9CW
Owner made by input frequency NF Gain
SP3RNY 1.2GHz 2.7 8.9
SP2FRY 1.2GHz 1.2 12
SP9CP 10GHz 1.73 12
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Quantitative Summary
10
Gajow, June 7th 2019 Dominique
HB9CW
144 MHz 1
432 MHz 0
1296 MHZ 9
2.3 GHz 4
3.4 GHz 3
5.7 GHz 8
10 GHz 8
TOTAL LNA 33
Transverters3
Noise Heads 14
GRAND
TOTALDUT 50
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The Graphs..
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Gajow, June 7th 2019 Dominique
HB9CW
144 MHz
SP0VHF
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The Graphs..
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Gajow, June 7th 2019 Dominique
HB9CW
1296 MHz
ON7UN
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The Graphs..
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Gajow, June 7th 2019 Dominique
HB9CW
2320 MHz
Before Tuning…
After Tuning
SP3XBO no.2
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The Graphs..
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Gajow, June 7th 2019 Dominique
HB9CW
3.4 GHz
SP3XBO
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The Graphs..
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Gajow, June 7th 2019 Dominique
HB9CW
5.7 GHzSP2HMR
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The Graphs..
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Gajow, June 7th 2019 Dominique
HB9CW
10 GHz
HB9BBD
Incl. SMA-WR-75 Adapter
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Noise-Sources
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Gajow, June 7th 2019 Dominique
HB9CW
I will hand out all Graphs to Staszek for distribution.
Please refer to him for your documented noise head
A good noise source has an ENR with little ripple and
a flat pattern. Please consider the blue curve as a reference
for the ENR calculation
How to calculate your ENR?
Add to the value of your Noise-Source shown e.g. @1296 MHz
(1.110) to the ENR of my SNS Noise-Head @1296 MHz
(interpolation!) 5.451 + 1.110 = 6.561
The result is the calibrated ENR of your Noise-Head
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Noise-Sources Low Bands
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Gajow, June 7th 2019 Dominique
HB9CW
Example
EA5JF-2
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The Graphs..
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Gajow, June 7th 2019 Dominique
HB9CW
ENR Reference to calculate your ENR:
5.451@1296MHz
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The Graphs..
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Gajow, June 7th 2019 Dominique
HB9CW
ENR Reference to calculate your ENR: