CSVHFS 1998 Noise Figure Results

Central States VHF Society

1998 Noise Figure (NF) Results

Tested in Kansas City, MO - 24 July 1998

50 MHz Call Design Device NF (dB) Gain (dB)

W4KXY DEMI-CONVERTER 0.96 22

KW0T DEMI ATF-10136 1.23 21.53

WA5VJB CAVITY 1.3 22.5

W9JN TE SYSTEMS 1.5 17.7

KB0PE DEMI ATF-10136 1.5 23

144 MHz Call Design Device NF (dB) Gain (dB)

KA0RYT HB FSC11LG 0.18 25.5

WA8WZG MCM MGF 1402 0.26 24.3

WA5VJB CAVITY MGA2116 0.29 16.92

WA1MKE SSB 0.31 24.5

WA5VJB MGF-1801 0.36 22.6

WD5AGO 0.37 20.5

WQ0P WD5AGO CAVITY MGF1302 0.43 22

WQ0P LC MGF 1302 0.45 19.3

K5LLL LANDWEHR 0.52 18.42

KD4NOQ ARR 0.61 25.5

W0PT ARR SP144VDG 0.62 23.5

WA9KRT K9CA MGF 1302 0.8 19.33

WA9KRT VE7BQH MGF 1302 0.99 20

N0UK DEM ATF-10136 1.2 20.2

W0PT W9QXP 3.8 0.4

KB0PE JANEL LABS 7 13.6

KB0PE HB MRF 901 9.3 8.5

KB0PE "HB," RCA 40643 13 10

W4KXY DEM Transverter 1.02 16.4

222 MHz Call Design Device NF (dB) Gain (dB)

WA5VJB MGF1801 0.57 21.5

K4YA DEMI-CK 0.76 16.58

KA9VAW DEMI-CK 1 17.96

K5LLL ARR-VDG 1.25 19.7

K5MAT ADV RECEIVER RES 2.25 18.5

KB0PE HANS PETERS 4.9 28.4

432 MHz Call Design Device NF (dB) Gain (dB)

KA0RYT-F TAPPED HB CAVITY FHX05LG 0.22 22.47

K5JL HB MGF-1302 0.22 22.9

KA0RYT-A HB CAVITY FHX35LG 0.26 21.5

KA0RYT-C HB CAVITY ATF-10135 0.27 18.4

JH0WJF-1 FHX35LG 0.27 23.28

KA0RYT-H HB CAVITY FHX35LG 0.29 20.08

KA0RYT-B HB CAVITY FHX35LG 0.29 23.8

KA0RYT-E HB CAVITY 0.3 25.9

JH0WJF - 3 MGF4318 0.31 25.2

W7CNK W7CNK ATF-36077 L/C 0.32 20.8

KA0RYT-G HB CAVITY 0.32 22.1

JA9BOH FHX35LG 0.32 23.73

JA2TY FHX05LG 0.34 21.49

JH0WJF-2 MGF-4318 0.34 21.9

KB0MNK RYT CAVITY FHX35 0.35 20.33

WA5VJB VJB ATF-13284 0.36 18.4

WD5AGO STRIPLINE-HB LP7512-AT32033 0.38 38

W1MKE SSB 0.4 24.2

WD5AGO CAVITY HB FHX35LG-MAR11 0.41 28.8

JR9NWC FHX05LG 0.42 20.15

W7CNK W7CNK ATF-10135 0.42 23.39

KB3PD W6PO ATF-10135 0.48 16.4

JS3SHP HB CAVITY FHX05LG 0.49 26.5

KA0RYT-K WD5AGO MGF-1302 0.5 15.4

WQ0P LC MGF1302 0.62 17.1

KB0PE ARR-SP432VDG 0.73 20.2

JA9BOH W1JR 1.1 18

AA0EN DEMI ATF-10136 1.5 22.6

K5LLL LANDWEHR 1.7 14.7

K0RDF 1.8 9.5

KB0PE ICOM / MAST MNT MRF902 3.6 11.7

W0ZQ COMM 3.89 12.9

WA5VJB/AB5L Centimeg Converter 2X 6AM4 Tubes! 9.97 21.34

902 MHz Call Design Device NF (dB) Gain (dB)

WD5AGO SERIES-L 2XATF-36077 0.45 32.3

W4KXY DEMI/ TRANSVERTER N/A 0.82 28.09

WA5VJB 2.25 11.1

WA5VJB CELWAVE 2.73 12.8

WA5VJB CELWAVE-G 3.78 16.1

1296 MHz Call Design Device NF (dB) Gain (dB)

WD5AGO AG0-2-23-HB NE325-ATF10135 0.3 33.8

WD5AGO AGO-2-23 NE324-ATF10135 0.31 30.9

WA1MKE SSB-DX1296 0.38 26.9

JA0BZC HOMEBREW FHX35LG 0.46 17.7

KA0RYT KB2AH FHX35LG Cavity 0.77 28.6

KB3PD W6PO ATF-10135 0.8 7.48

WQ0P WB5LUA ATF-10135 0.84 13.8

JA0BZC HOMEBREW MGF-1302 0.91 21.8

W4RDI 1.4 5

WF9X COMM-SSB 1.42 19.11

WA5VJB W-J-LOW NOISE TWT 5.43 31

N0UK SOTA XVTR 6.86 8.6

KA1VAW WB6IGP 18 12

2304 MHz Call Design Device NF (dB) Gain (dB)

WA1MKE SSBSLN NA 0.35 30.6

N0TOU DEMI ATF-30677 0.38 18.1

2400 N0TOU DEMI / HB ATF-36077 0.38 18.1

WA8WZG LUACOM / W5ZN ATF-30677 0.48 17.86

W5LUA ATF-10136 ATF-10136 0.52 13.9

2401 N0TOU DRAKE WITH PRE-AMP/HB N/A 0.57 37.51

2304 N2CEI DEMI 2304-144 Transverter MGA-86576 1.75 18.54

2400 KA9VAW MODE S CONVERTER 2.43 40.8

2304 VJB W/J TWT TWT 5.75 26.7

3456 MHz Call Design Device NF (dB) Gain (dB)

W9FZ WB5LUA 2XATF-10136 0.95 25.2

5760 MHz Call Design Device NF (dB) Gain (dB)

W7CNK W7CNK ATF-36077 0.61 13.8

W7CNK W7CNK ATF-10135 0.84 10

W5LUA WB5LUA 2XATF-10135 0.98 18.1

N0DAG HB NE334 1.05 14.78

10368 MHz Call Design Device NF (dB) Gain (dB)

N2CEI WB5LUA 2XATF-36077 1.2 16.8

W7CNK W7CNK ATF-10135 1.34 9.87

N4MW WB5LUA 2XATF-13136 1.48 19.6

W7CNK W7CNK 2XATF-10135 1.71 19.15

24192 MHz Call Design Device NF (dB) Gain (dB)

K9PW SSB/ DB6NT NE32584 2.04 30.72

WA8WZG SSB/DB6NT NE32584 2.15 26.05

W5LUA HP MMIC HMMC-5023 2.95 20.65

W5LUA LUA PROTOTYPE ATF-36077 5.78 12.01

WA8WZG DMC N/A 6.2 13

W5LUA AVANTEK SMW87-1188 SER#16 9.16 9.6

W5LUA HB/ Converter ATF-35076 + mixer 10

W5LUA AVANTEK SMW87-1188 SER# 48 11.4 7.6

Tested by W5LUA, N5QGH, WA8WZG, WD5AGO, W5ZN,KA0RYT, N0DAG, K0RDF and Sandra Estevez of Down East Microwave

HP346A Noise Source, Measurement Accuracy of system according to HP is +/- 0.2 dB!
Note - HP346C Noise Source used on 24 GHz

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