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File:Crystal radio receiver.PNG
来自维基百科,自由的百科全书
Found in articles
File:Crystal radio receiver.PNG
Reddi 149×90×8 (1367 bytes) added ground symbol 2003-10-23 04:45 Reddi 149×74×8 (1243 bytes)
Crystal
radio
receiver
English determination method: SHA-1
File:Radio receiver.PNG
refer to en.wikipedia. 2003-11-07 02:47 Reddi 149×87× (1344 bytes) added ground symbol 2003-10-23 04:48 Reddi 149×74× (1238 bytes)
Radio
receiver
English
File:Heterodyne radio receiver circuit 1920.png
English Fessenden's heterodyne
radio
receiver
File:Crystal radio receiver from wireless era.png
antenna and the
receiver
. 501 567 225 149 1592 889 Earphones, electromagnetic type, 8000 ohm 687 201 223 155 1592 889 Spare
crystal
detector. 915 187
File:Galena.png
This schematic of a
radio
receiver
of galena English author name string: PACO Wikimedia username: PACO