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NOS/NIB SYLVANIA JHS 1N21B MICROWAVE DIODE MILITARY GRADE 20 AVAILABLE | eBay
1N21B Silicon, point-contact mixer diode, NF 12.7dB at 3GHz.
Field Strength Meter For 2.5Ghz Wireless LAN | PDF | Microwave | Antenna (Radio)
ヤフオク! - 即決□未使用□未開封□1N21B マイクロ波ダイオード 数...
Field Strength Meter for 2.4 Ghz Wireless LAN
Bird 43 Meter - Testing/Calibrating - Page 2 - Transmission1
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4 Vintage Sylvania 1N21B Gold Diodes NOS – "César Endara Peñaherrera"
Signal Diodes - Semiconductors (Page 49)
1N21A, Tube 1N21A; Röhre 1N21A ID8510, SEMICONDUCTOR, genera | Radiomuseum.org
A Photo Tour of a Bird Wattmeter Element
A Photo Tour of a Bird Wattmeter Element
1N21 Crystal Rectifiers & Related
1N21B NOS
1N21 Crystal Rectifiers & Related
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美国进口MICROWAVE全新直插高频高速整流二极管1N21B原装DIP-2 - Taobao
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Vintage Sylvania Crystal Detector 1N21B 2J1N21B military Galvin 1945 gold diode | eBay
1N21B, Tube 1N21B; Röhre 1N21B ID8511, SEMICONDUCTOR, genera | Radiomuseum.org
