今天女人节,火腿gg们用实际行动送给编辑部美眉们一份小礼吧。。。
1.taming the smps beast
2.examining multi-band operation of near end fed wire antennas
3.the design of mixed-coupling lc band-pass ladder filters
4.experimental determination of ground system performance for hf verticals—part 7
5.waveguide filters you can build—and tune—part 2
6.octave for bessel functions
7.design, construction and evaluation of the eight circle vertical array for low band receiving
8.waveguide filters you can build—and tune—part 3
9.a ps/2 keyer: using a keyer paddle to emulate a ps/2 keyboard and mouse
10.a frequency counter for the experimenter
11.adjusting bjt oscillator amplitude
12.solving random noise issues in trm-433-lt data
13.an inexpensive laboratory-quality rf wattmeter
14.an oscilloscope camera mount
15.the “true” tlt h-mode mixer
16.the shunt method for crystal parameter measurement
17.using quicksmith—part 1
18.a 20 meter sleeve dipole without the sleeve
19.using quicksmith: part 2
20.synthesizing an audio agc circuit