North W5HN Texas 902 MHz Presentations
NorthW5HNTexas902 MHz PresentationsNTMSMicrowaveSociety Getting Started on 902 MHz at W5LUAParalleling high power 900 MHz amplifiers by W5LUAReview of the W1GHz 902 MHz transverter by N5AC902 MHz Transverter at KA5BOU902 MHz Transverter at NM5M902 MHz Transverter at WB5ZDP902 MHz W0PW Dual Dipole Feed by WW2R902 MHz EME at WA8RJF EN91DEMI 902 MHz Transverter demo by W5SXDWWW.NTMS.ORG1
NorthW5HNTexasThe 33 cm BandNTMSMicrowaveSociety 902 to 928 MHz Weak signal work at 902.0 to 902.5 MHz and at 903 to903.5 MHz east of the Mississippi River Weak signal calling frequency for us is 902.1 MHz Shared with Part 15 and ISM on a non-interfering basis Bull No commercial store bought radios available for SSBand CW Build or buy a transverter to go with your multimode 2Mradio or HF transceiver Antennas – both loop yagis and standard yagi designavailable including some pretty simple antennas by KentWA5VJBWWW.NTMS.ORG2
NorthW5HNTexasWB5LUA 902 MHz TransverterNTMSMicrowaveSocietyWWW.NTMS.ORG3
NorthW5HNTexas758 MHz LONTMSMicrowaveSocietyWWW.NTMS.ORG4
NorthW5HNTexas758 MHz LO Parts ListNTMSMicrowaveSocietyWWW.NTMS.ORG5
NorthW5HNTexasWB5LUA 902 MHz TransverterNTMSMicrowaveSocietyBuilt 1987WWW.NTMS.ORG6
NorthW5HNTexasWB5LUA 902 MHz TransverterNTMSMicrowaveSocietyWWW.NTMS.ORG7
NorthW5HNTexasBand Pass Filters for 902 MHzNTMSMicrowaveSocietyWWW.NTMS.ORG8
NorthW5HNTexasComponents for 902 MHzNTMSMicrowaveSocietyWWW.NTMS.ORG9
W5HNN5QGH 902 MHz Transverterusing old KK7B no tune waveSociety10
NorthW5HNTexasW5LUA 902 MHz ATF-36077 LNANTMSMicrowaveSocietyReference AvagoAp Note 1128WWW.NTMS.ORG11
NorthW5HNTexasWW2R 902 MHz TransverterNTMSMicrowaveSocietyWWW.NTMS.ORG12
NorthW5HNTexas902 MHz PA ModuleNTMSMicrowaveSocietyWWW.NTMS.ORG13
NorthW5HNTexasDEMI 902 MHz TransverterNTMSMicrowaveSocietyDEMI Demo by W5SXDWWW.NTMS.ORG14
NorthW5HNTexasNM5M’s 902 MHz XVTRNTMSMicrowaveSociety902 AMMO CAN TRANSVERTERSBL 1XMini Circuits902 MHzSAWFILTER445 MHz IF INTXERA 3Pass 1.8-1.9 GHz 12 dBm460 MHzSAW Filter51 MHz2:1DividerINA 10386MMIC AMPMAR (?)902 MHzSAWFILTER445 MHz IFOUT RXSBL 1XMini CircuitsWWW.NTMS.ORGLNA25 dB Gain15
NorthW5HNTexasNM5M’s 902 MHz XVTRNTMSMicrowaveSocietyTX MIXERTIMES9 MULTTTL OSC460 MHz SAWFILTER902 MHzFILTERLNAWWW.NTMS.ORG16
NorthW5HNTexasNM5M’s 902 MHz XVTRNTMSMicrowaveSocietyIF AMPMIXERIF SWITCHLNAWWW.NTMS.ORG17
NorthW5HNTexasWB5ZDP 902 MHz TransverterNTMSMicrowaveSocietyWWW.NTMS.ORG18
NorthW5HNTexasW1GHZ 902 MHz TransverterNTMSMicrowaveSociety Inexpensive 2 board approach providinglow power and moderate NF http://www.w1ghz.org/MBT/902 MHz Transverter for the Multiband Rover.pdf Group Buy?WWW.NTMS.ORG19
150 Watt Motorola SSPAModel iety20
300 Watt Motorola SSPAModel SGTF y21
1 Watt Low Level LevelingAmplifier Model STF 2540AW5HNNorthTexasNTMSMicrowaveSocietyThis unit is the same form factor as the 150 watt and 300 watts SSPAs – Buyer be aware!WWW.NTMS.ORG22
NorthMotorola 150 W and 300 WSSPAsW5HNTexasNTMSMicrowaveSociety www.vhfsouth.com modifications perKD5FZX on both 150W and 300W SSPAs Article by N5ACWWW.NTMS.ORG23
NorthW5HNTexasW5LUA Pair 300W SSPANTMSMicrowaveSociety50 Amp meters and shunts available from www.allelectronics.com 12 / meter and 12 / shuntWWW.NTMS.ORG24
NorthW5HNTexasBack View SSPANTMSMicrowaveSocietyWWW.NTMS.ORG25
NorthW5HNTexasClose-Up Power DividersNTMSMicrowaveSocietyWWW.NTMS.ORG26
W5HNParalleling two 300 Watt SSPAs atWA8RJF using 90 Degree ociety27
W5HNShowing Method of Attachmentof 24V and PTT at WA8RJFWWW.NTMS.ORGNorthTexasNTMSMicrowaveSociety28
NorthW5HNTexasSMA 90 Degree Hybrid CouplersNTMSMicrowaveSocietyWWW.NTMS.ORG29
NorthAnaren 10014-3 .5 to 1 GHz3dB 90o HybridW5HNMicrowaveSociety-3m2freq 900.0MHzdB(S(2,1)) -3.284m3freq 900.0MHzdB(S(6,5)) -17.104-15.0m1m2m1freq 900.0MHzdB(S(4,3)) -3.078Port 2 Port 3-8Port .21.30.50.6freq, GHz0.70.80.91.01.11.21.3freq, 0.60.81.01.21.41.6m5freq, GHz m4freq 900.0MHzfreq 900.0MHzphase(S(2,1)) -109.070phase(S(4,3)) 160.120Port 2-109oWWW.NTMS.ORGPort 3160.1oDifference 160.1--109 269.1 – 360 -90.930
NorthW5HNTexasMECA 900 MHz 3dB 90o HybridNTMSMicrowaveSocietyWWW.NTMS.ORG31
NorthW5HNTexasMECA 900 MHz 3dB 90o HybridNTMSMicrowaveSociety0-14.5m2freq 900.0MHzdB(S(2,1)) -3.133m1freq 900.0MHzdB(S(4,3)) -3.024Port 2 Port 3-8dB(S(6,5))dB(S(4,3))dB(S(2,1))-4-6m3freq 900.0MHzdB(S(6,5)) -17.104-15.0m1m2-2Port .21.30.50.6freq, freq, m5freq, GHz m4freq 900.0MHzfreq 900.0MHzphase(S(2,1)) 36.733phase(S(4,3)) 127.700Port 236.7oWWW.NTMS.ORGPort 3127.7o43Difference 127.7-36.7 91o32
NorthW5HNTexasADS Coupler SimulationNTMSMicrowaveSocietyTermTerm1Num 1Z 50 OhmTermTerm4Num 4Z 50 OhmWWW.NTMS.ORGSBCLINCLin2Subst "SSub1"W 180 milS 37 milL 3310 milTermTerm3Num 3Z 50 OhmTermTerm2Num 2Z 50 OhmS-PARAMETERSS ParamSP1Start 0.5 GHzStop 1.5 GHzStep 0.01 GHzSSubSSUBSSub1Er 1Mur 1B 500 milT 31 milCond 1.0E 50TanD 033
North90oMECA 900 MHz 3dBHybridADS 1))dB(S(2,1))dB(S(4,1))-5m2freq 900.0MHzdB(S(4,1)) ct Port0-50m3-100Coupled Port-20-1500.50.70.91.11.31.5freq, GHz m5m1freq 900.0MHzfreq 900.0MHzdB(S(2,1)) -3.191dB(S(3,1)) -3.208Directivity Isolation – Coupling 16.7dB – 3.2dB 13.5dB not toospectacular but may not be tooimportant since we are not trying toaccurately measure return loss butrather just combine amplifiersWWW.NTMS.ORG0.40.60.81.01.21.41.6m3freq, GHz m4freq 900.0MHzfreq 900.0MHzphase(S(2,1)) -90.624phase(S(3,1)) -0.571Coupled port leads by 90 degreesOr direct port lags by 90 degrees34
NorthBroad band Response of theIdeal 90 Degree HybridW5HNTexasNTMSMicrowaveSocietyAlso known as a “Backward Wave” 1))dB(S(2,1))dB(S(4,1))-20-40m2freq 900.0MHzdB(S(4,1)) -16.718-60100m40m3-100-200-80012m1freq 900.0MHzdB(S(3,1)) -3.20834freq, GHz567m5freq 900.0MHzdB(S(2,1)) -3.19101234567m3m4freq, GHzfreq 900.0MHzfreq 900.0MHzphase(S(2,1)) -90.624phase(S(3,1)) -0.571Amplitude response repeats at 3fo, 5fo, 7fo, etc.Phase difference remains constant at 90 degrees regardless of frequency!In reality discontinuities and parasitics can create imbalancesWWW.NTMS.ORG35
NorthW5HNTexasCascade of 2 couplersTermTerm1Num 1Z 50 OhmTermTerm4Num 4Z 50 OhmSBCLINCLin3Subst "SSub1"W 180 milS 37 milL 3310 milSBCLINCLin2Subst "SSub1"W 180 milS 37 milL 3310 milMicrowaveSocietyTermTerm3Num 3Z 50 OhmTermTerm2Num 2Z 50 Ohmm50m1m2-2 0dB(S(3,1))dB(S(2,1))dB(S(4,1))NTMS-4 0-6 0-8 00 .50 .70 .91 .11 .31 .5m5fre q , G H z m 1f req 9 0 0 .0 M H zfreq 9 0 0 .0 M H zdB (S (2 ,1 )) -0 .3 9 3dB (S (3 ,1 )) -2 8 .1 9 1m2freq 9 0 0 .0 M H zdB (S (4 ,1 )) -3 8 .5 1 0WWW.NTMS.ORG36
Cascade of 2 couplers with OpenCircuit on one .31.5m5freq, GHz m1freq 900.0MHzfreq 900.0MHzdB(S(2,1)) -6.522dB(S(3,1)) -9.502m2freq 900.0MHzdB(S(4,1)) -6.522WWW.NTMS.ORGThrough Loss 6.5 dBPower at isolated portdown only 6.5 dB,need 50 ohm load thatcan handle this at leasttemporarilly. Inaddition some power isalso available at the“other” output port ofthe coupler – none ofthis is very good!37
NorthCascade of 2 couplers with 1 and3 dB attenuators in one pathW5HN1 5Microwavem50-30NTMS3 dBm50Texas-400.70.91.11.3m5freq, GHzm1freq 900.0MHzfreq 900.0MHzdB(S(2,1)) -0.873dB(S(3,1)) -33.422m2freq 900.0MHzdB(S(4,1)) -32.051TermTerm1Num 1Z 50OhmTermTerm4Num 4Z 50 OhmWWW.NTMS.ORG0.51.5SBCLINCLin2Subst "SSub1"W 180 milS 37 milL 3310 milAttenuatorATTEN1Loss 1 dBVSWR 10.70.91.11.31.5m5freq, GHzm1freq 900.0MHzfreq 900.0MHzdB(S(2,1)) -1.741dB(S(3,1)) -18.343m2freq 900.0MHzdB(S(4,1)) -27.219SBCLINCLin3Subst "SSub1"W 180milS 37 milL 3310 milTermTerm3Num 3Z 50OhmTermTerm2Num 2Z 50Ohm38
10 degree 2-30-400.5TexasNTMSMicrowaveSociety45 degree offsetm5dB(S(3,1))dB(S(2,1))dB(S(4,1))NorthCascade of 2 couplers with 10 and45 degree offset in one pathW5HNm5m1m2-20-300.70.91.11.3-401.5m5freq, GHz m1freq 900.0MHzfreq 900.0MHzdB(S(2,1)) -0.429dB(S(3,1)) -19.919m2Termfreq 900.0MHzSBCLINTerm1CLin2Num 1dB(S(4,1)) -31.472Subst "SSub1"Z 50 OhmW 180 milS 37 milL 3310 milTermTerm4Num 4Z 50 OhmWWW.NTMS.ORG0.5TLINTL5Z 50.0 OhmE 45F .9 GHz0.70.91.11.31.5m5freq, GHzm1freq 900.0MHzfreq 900.0MHzdB(S(2,1)) -1.137dB(S(3,1)) -7.941m2freq 900.0MHzdB(S(4,1)) -20.145SBCLINCLin3Subst "SSub1"W 180 milS 37 milL 3310 milTermTerm3Num 3Z 50 OhmTermTerm2Num 2Z 50 Ohm39
NorthSingle coupler with both outputsopen circuitedW5HNm20dB(S(4,1))-4TermTerm4Num 4Z 50 Ohm-6m2freq 900.0MHzdB(S(4,1)) -0.597-10-12-140.40.60.81.0freq, GHzWWW.NTMS.ORGNTMSMicrowaveSocietyTermTerm1Num 1Z 50 Ohm-2-8Texas1.21.41.6SBCLINCLin2Subst "SSub1"W 180 milS 137 milL 3310 milAll power is reflectedback to port 4.Termination on port 4must be capable ofhanding the entireavailable driver power.40
NorthW5HNTexasOptimizing Power OutputNTMSMicrowaveSocietyBest solution is to adjustamplitude and phase to keepcurrent drawn by each ampas equal as possible whenamps are driven to full powerTry flipping hybridsAdd some line lengthAdjust load on output couplerisolated portEach amp has some form ofadjustable attenuator on itsinputWWW.NTMS.ORG41
NorthW5HNTexasW0PW EIA Dual Dipole FeedNTMSMicrowaveSocietyWWW.NTMS.ORG42
NorthW5HNTexasW0PW EIA Dual Dipole FeedNTMSMicrowaveSocietyWWW.NTMS.ORG43
W5HN902 MHz W0PW EIA Dual DipoleFeed @ W5LUAWWW.NTMS.ORGNorthTexasNTMSMicrowaveSociety44
NorthW5HNTexasWA8RJF 3M Dish on 902 MHzNTMSMicrowaveSocietyWWW.NTMS.ORG45
W5HNDual Dipole Feed for 902 MHzBuilt by WW2RWWW.NTMS.ORGNorthTexasNTMSMicrowaveSociety46
NorthW5HNTexasSide View of Dual Dipole FeedNTMSMicrowaveSocietyWWW.NTMS.ORG47
Return Loss of 902 MHz DualDipole 48
NorthW5HNTexasWW2R 3M Dish on 902 MHzNTMSMicrowaveSocietyWWW.NTMS.ORG49
NorthW5HNTexas902 MHz Feed at WW2RNTMSMicrowaveSocietyWWW.NTMS.ORG50
NorthW5HNTexasWaterproofing Feed at WW2RNTMSMicrowaveSocietyWWW.NTMS.ORG51
NorthW5HNTexasSummaryNTMSMicrowaveSociety Questions? Group buys?WWW.NTMS.ORG52
W5HN North Texas Microwave Society NTMS WWW.NTMS.ORG 1 902 MHz Presentations Getting Started on 902 MHz at W5LUA Paralleling high power 900 MHz amplifiers by W5LUA Review of the W1GHz 902 MHz transverter by N5AC 902 MHz Transverter at KA5BOU 902 MHz Transverter at NM5M 902 MHz Transverter at W
2 VIAVI OneExpert CATV Data Sheet Specifications Frequency Range Automatically Switching Diplexer Upstream Downstream 42/85 4-42 MHz and 4-85 MHz 54-1,004 MHz and 108-1,218 MHz 42/204 MHz 4-42 MHz and 4-204 MHz 54-1,004 MHz and 258-1,218 MHz 65/204 4-65 MHz and 4-204 MHz 83-1,218 MHz and 258 MHz-1,218 MHz
220-902 Exam Dumps 220-902 Exam Questions 220-902 PDF Dumps 220-902 VCE Dumps Back to the Source of this PDF and Get More Free Braindumps -- www.comptiadump.com CompTIA A Certification 220-902 Exam Vendor: CompTIA Exam Code: 220-902 Exam Name: CompTIA A (220-902) Get Complete Version Exam 220-902 Dumps with VCE and PDF Here
High power repeater outputs are at 927 MHz (far from 902) Repeater inputs are in the 902 - 903 MHz Some areas begin FM at 927.1125 (1st channel above 902.1) Some share the lower 100 KHz Noise floor often degrades above 902.2 MHz due to interference from spread spectrum transmitters that
3.2 Narrow Band Terminal (PLMN11): applies to LTE-M1 Terminal and NB-IoT Terminal. 3.2.1 LTE-M1 Terminal can be classified as FDD and TDD. The frequency bands are as follows: 3.2.1.1 FDD: 700 MHz band (703 MHz 748 MHz for uplink； 758 MHz 803 MHz for downlink), 900 MHz band ( 885 MHz 915 MHz for uplink； 930 MHz 960 MHz for downlink),
902 SCHOOL NUTRITION PROGRAM . 902.1 School Nutrition Program Management . 902.1a Meal Charges . 902.1b Free or Reduced-Price Meal Eligibility . 902.1c Community Eligibility Provision (CEP) 902.2 Competitive Food Items to Students . 903 GRAPHICS & PRINTING SERVICES . 903.1 Graphics and Printing Services Fee Structure
E2 Series VS ARM Cortex-M E2 Series VS ARM Cortex-M Comparison Table E2 Series Options E20 Standard Core E21 Standard Core Cortex-M0 Cortex-M3 Cortex-M4 Dhrystone Up to 1.38 DMIPS/MHz 1.1 DMIPS/MHz 1.38 DMIPS/MHz 0.95 DMIPS/MHz 1.25 DMIPS/MHz 1.25DMIPS/MHz CoreMark Up to 3.1 2.4 CoreMarks/MHz 3.1 CoreMarks/MHz 1.8 CoreMarks/MHz 2.76 Coremarks .
EZ-sensor de 314.9 MHz , 315 MHz, 433 MHz & 433 MHz WAL, no de pièce 33500 WAL Despida No. 33500 EZ-sensor de 314.9 MHz, 315 MHz, 433 MHz & 433 MHz WAL 20018 34000 20014 EZ-sensor #33500 replaces: #33000, #33100 & #33200. 4 Mae / Model rom M To M ualiier re OEM Sensor Schrader OER Sensor EZ-sensor .
mathematics at an advanced level, including articulation to university degree study. The Unit will provide learners with opportunities to develop the knowledge, understanding and skills to apply a range of differential and integral calculus techniques to the solution of mathematical problems. Outcomes On successful completion of the Unit the learner will be able to: 1 Use differentiation .
