Page 84 - RTH3BA Preview

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transmission line - shorted - reactance 504
impedance ratio 161, 165 transmission line baluns 520
I squared R losses 157 transmission line equations 494
power ratio 162 transmission line infinite length 494
laminated iron core 156 transmission line terminated in a short
radio frequency transformer 157 circuit 503
simple transformer 154 transverse electromagnetic (TEM) 515
transformer construction 156, 157 SWR from forward and reflected power 501
transformer isolation 160 SWR from coefficient of reflection 501
turns ratio 160 using a stub notch 509
voltage ratio 159 velocity of propagation 496
visualising a waveguide 513
Transmission lines 489
VSWR 500
adding inductance using stubs 505
VSWR meter 501
a line terminated in its Zo 497
waveguide cut-off frequency 518
balanced and unbalanced line 495
waveguide impedance 518
characteristic impedance 489
waveguide modes 516
coaxial transmission line 494
waveguides 512
connecting a stub to a TV receiver 510
1:1 Guanella balun 525
current and voltage distribution 499
4:1 (1:4) Guanella balun 527
Guanella balun 524
6.25:1 Guanella balun 527
impedance matching 502
impedance of an open circuit line 504
Transmitter faults 448
method of propagation 515
carrier suppression 455
microstrip vs. stripline 511
chirping 448
one half wavelength 1:1 transformer 507
critical resistance equation 453
parallel transmission line 494
ferrite beads - parasitics 452
quarter wave notch 509
flat topping 453
quarter wave transformer 506
key clicks 448
ranges of Zo 495
neutralisation 450
rectangular TE modes 517
parasitic oscillations 451
reflected waves 497
parasitic stopper 452
Ruthroff 4:1 balun 521
pi-coupling 454
standing wave pattern on an open
self-oscillation 450
circuit line 500
Ruthroff balun 521
standing waves 498
stripline 511
SWR from coefficient of reflection 501
the quarter wave transformer 506
the stub 505
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