L'explication/l'anotation:Signal generator of HF. As a check on and adjustment of different
radio receivers and their assemblies.
La description détaillée de marque:The conditions are provided: unmodulated oscillations (Tax Codes), amplitude
(AM), frequency modulation (FM) and video modulations, as well as îáå-
ñïå÷èâàåò combined ÀÌ-×Ì modulating. Finds extensive application in
in the development, production, operation and repair for providing èç-
ìåðåíèé of Electrical characterizations and parameters of different ðàäèîïðèåì-
Noy devices in systems of communication, broadcasting and television.
main technical ÕÀÐÀÊÒÀÐÈÑÒÈÊÈ.
frequency characteristics:
frequency range. 4. 300 mHz
main frequency setting error. +-1 %
frequency instability for 15 minute. 2, 5. 10Å-4
parameters of output voltage:
adjustment limits of output voltage. 0, 5. 10Å-6. 0, 5 in
Îñí. setting error of supporting value of âûõ íàïðÿæ. 0, 1 V. +-1 decibel
Îñí. setting error of system weakening of attenuators. +-1 decibel
parasitic amplitude modulation in mode of Tax Code. 0, 3 %
parasitic FM in mode Tax Code. (1. 10Å-6Fíåñ. +5) the Hz
the modulating parameters:
directive limits AM by stages through 10 %. 0-90 %
Îñí. setting error of coefficient. AM in case of 10%= < M= < 30%. +-5 %
in case of 30%= < M= < 80%. +-10 %
range of external modulating frequencies. 50. 60000 Hz
frequency of internal modulator of AM, FM. 1000 Hz
harmonic coefficient envelope AM. 3. 5 %
adjustment limits frequency deviations. 0, 5. 100 kHz
main setting error of FM. 10 %
range of external modulating frequencies of FM. 30. 60000 Hz
harmonic coefficient envelope FM. 3 %
frequency of baseband signal in case of internal. Modulating by the meander. 1 kHz
frequency band in case of external video modulation. 50. 6, 5. 10Å6
main setting error of modulation index
carrier frequency of èçîþðàæåíèÿ. Not more +-5 %
other parameters:
burden resistance. 50 (75 with transfer) Omagh
operating temperature range. +5. +40 degree. With
mains supply 50 cycles. 220 in
mains-operated 400 Hz. 115 in
overall dimensions. 365Õ190Õ355 of MM
mass. 13, 5 kg |
