'7 mhz' presentation slideshows

DTTB Lab Tests Methodology & Results Summary

Communications Laboratory. DTTB Lab Tests Methodology & Results Summary. http://www.commslab.gov.au. Presentation by: Neil Pickford. Overview. Digital Television Objectives & Technology DTTB Transmission Technology The Australian Test Program Laboratory Tests - Test Rig

1.2k views • 104 slides

CMOS MOSFET problems

1.15k views • 101 slides

rectangular waveguide TE & TM modes

rectangular waveguide TE & TM modes. TE mode. y. b. 0. x. a. z. 0. rectangular waveguides. TE or H mode. y. b. 0. x. a. z. 0. rectangular waveguides. TE or H mode. lowest order mode. TE 10 (or TE 01 ) mode. H 10 (or H 01 ) mode. y. b. 0. x. a. z. 0.

2.73k views • 101 slides

DTTB Lab Tests Methodology & Results Summary

Communications Laboratory. DTTB Lab Tests Methodology & Results Summary. http://www.commslab.gov.au. Presentation by: Neil Pickford. Overview. Digital Television Objectives & Technology DTTB Transmission Technology The Australian Test Program Laboratory Tests - Test Rig

1.13k views • 97 slides

DTTB Lab Tests Methodology & Results Summary

Communications Laboratory. DTTB Lab Tests Methodology & Results Summary. http://www.commslab.gov.au. Presentation by: Neil Pickford. Overview. Digital Television Objectives & Technology DTTB Transmission Technology The Australian Test Program Laboratory Tests - Test Rig

1.12k views • 97 slides

Transmission line modeling simulation with PSpice ASEE conference 2007

Transmission line modeling simulation with PSpice ASEE conference 2007. Transmission Lines Demonstration High Frequency Electronics Course EE527 Andrew Rusek Oakland University

921 views • 78 slides

ASIS Closeout August 2003 LSC meeting Bruce Allen

570 views • 49 slides

Technician Licensing Class

Technician Licensing Class. presented by the Midland Amateur Radio Club Midland, Texas. Lesson 4. Quiz Subelements T6 & T7. Good Engineering Practice Subelement T8. A Basic Station. Antenna. Feed Line. T-R Switch. Receiver. Transmitter. Power Supply. Simple CW Transmitter.

586 views • 47 slides

General License Course Chapter 5

347 views • 34 slides

University of Canberra Advanced Communications Topics

University of Canberra Advanced Communications Topics. Television Broadcasting into the Digital Era. Lecture 5 DTTB Transmission Error Correction. by: Neil Pickford. Spectrum of COFDM DTTB. 7 MHz Carrier Spacing 2k Mode 3.91 kHz 8k Mode 0.98 kHz. Almost Rectangular Shape.

416 views • 32 slides

DVB-T DVB-T2 MDTV ITU-R and GE06 Agreement

DVB-T DVB-T2 MDTV ITU-R and GE06 Agreement. Ilham Ghazi Radiocommunication Bureau. Overview. DVB-T DVB-T2 Comparison GE06 provisions for DVB-T2 Notification under article 5 of GE06 Conclusions. DVB-T.

867 views • 28 slides

High Power Magnetic Loop Antennas

High Power Magnetic Loop Antennas. Bill Leonard N0CU. Mag Loop Feed Circuits. Does shape matter?. Circumference should be between 1/8 & 1/4 l. v. I. I is ~constant around loop. Faraday Loop. Safety. RF Voltage: Magnetic Loops can have 10-20 KV of RF energy

236 views • 22 slides

RF measurement of T18 after High power test

RF measurement of T18 after High power test. Jiaru Shi 27.07.2011. CERN built T18. Before high power testing. after high power testing. Faya Wang @ SLAC. Faya Wang @ SLAC. Before high power testing. After high power testing. Standing wave pattern ? Reflection before last regular cell.

302 views • 17 slides

Care Use and Feeding of a MFJ-259B Antenna Analyzer

Care Use and Feeding of a MFJ-259B Antenna Analyzer. MFJ-259B Description. Schematic. Block Diagram. Vz= Voltage across the load. Vr= Voltage indicating bridge balance. Vs= Voltage across a series 50-ohm resistor between the RF source and the load. MFJ-259B Operation.

728 views • 14 slides

Care Use and Feeding of a MFJ-259B Antenna Analyzer

Care Use and Feeding of a MFJ-259B Antenna Analyzer. MFJ-259B Description. Schematic. Block Diagram. Vz= Voltage across the load. Vr= Voltage indicating bridge balance. Vs= Voltage across a series 50-ohm resistor between the RF source and the load. MFJ-259B Operation.

712 views • 14 slides

Examples of incoherent tune measurements and Schottky signal observation on bunched beams

Experimental Results on Bunched Beam Schottky Signals and Possible Implications for LHC Incoh. Tune Meas. Examples of incoherent tune measurements and Schottky signal observation on bunched beams Limiting factors and precautions Implications for the LHC Preliminary conclusions.

266 views • 13 slides

Coax21_18

Coax21_18. Match to TE 01 coaxial DLG. Filter. 3 cm---. 1 cm---. Inner conductor. v g /c=3 %. BW=150 MHz. S 11. filter. S 12. Coaxial TE 01 DLG Load. Coax50 .180. Vg/c=3 %. BW=180 MHz. Inner conductor. .5m. f_im=5.71 MHz. =8.0 MHz. Bw=90 MHz. filter. attenuator.

180 views • 10 slides

GOES-N Requirements

GOES-N Requirements. April 27, 2004 Frank Eng, Computer Sciences Corporation. Primary Requirements. L-band receiver, 1692.7 MHz 9600 Kbps data rate 10 -6 Bit Error Rate (BER) 5 dB E b /N 0 -0.3 G/T antenna (1 meter dish). Signal Format Requirements.

123 views • 3 slides

TETRA Gateway

TETRA Gateway. 4 x Tx , Rx, CDT, PTT. Allows Tetra to interface with Legacy Systems such as EDACS, SmartNet, P25 and MPT Interface to Marine Radio Interface to Air Band Analogue Radio Dispatcher Monitoring of Analogue channels Interface Tx,Rx, PTT & Squelch Detect. Analogue Channel 1.

442 views • 2 slides

Sterilized room. Effects of Ultrasonic Irradiation on Gas vesicles in Cyano-bacterial Cells and Related Physiological Properties Jiaowen Tang, Qingyu Wu*, Hongwei Hao. Transducer. Abstract:. Results:. Equipments:. Fig 4b.After 5 min ultrasonic irradiation. Fig 4a. Control.

129 views • 1 slides