Telecommunication Journal, 36. sējums,303-732. lapaInternational Telecommunication Union., 1969 |
No grāmatas satura
1.3. rezultāts no 87.
399. lappuse
... range 118-136 MHz ( on request 108-118 or 136-156 MHz ) ; available for 24 V DC battery supply or with 220 V AC mains supply unit ; four transmitters or two transmitters and one power supply fit side by side in a 19 - in . mounting ...
... range 118-136 MHz ( on request 108-118 or 136-156 MHz ) ; available for 24 V DC battery supply or with 220 V AC mains supply unit ; four transmitters or two transmitters and one power supply fit side by side in a 19 - in . mounting ...
487. lappuse
... range ( power , height of antenna ) , the spacing between the transmitting and receiving frequencies , and so on . Thus the most efficient co - ordination and frequency assignment procedures are by no means the same for all ...
... range ( power , height of antenna ) , the spacing between the transmitting and receiving frequencies , and so on . Thus the most efficient co - ordination and frequency assignment procedures are by no means the same for all ...
725. lappuse
... range , extending from 5.8 to 8.5 GHz , is adapted to that of modern radio relay systems . Generator and detector of the measuring setup cover a very wide test level range of +10 to 90 dBm , with calibration in absolute units . Since ...
... range , extending from 5.8 to 8.5 GHz , is adapted to that of modern radio relay systems . Generator and detector of the measuring setup cover a very wide test level range of +10 to 90 dBm , with calibration in absolute units . Since ...
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