L'explication/l'anotation:The signal generator HF are a source of signals HF of to
ëèáðîâàííûõ on frequency, level of output power, parameters of impulse
and frequency modulation.
La description détaillée de marque:Is intended for to customize, the adjustments and tests different ðà-
äèîòåõíè÷åñêèõ devices of uhf. Provides ñëåäóþ-
ùèå the business hours: unmodulated oscillations (Tax Codes), amplitude (AM), ÷à-
ñòîòíàÿ (FM) pulsed (them) modulating.
main technical characteristics.
frequency characteristics:
frequency range. 310. 1200 mHz
frequency setting error. +-0, 05 %
frequency instability for 15 minute
after two of hour ñàìîïðîãðåâà. | 5. 10Å-5
stepless frequency detuning. No less than 100 kHz
parameters of output power:
output calibrated capacity. 10Å-2. 10Å-15 of computer engineering
setting error of reference level. +-1 decibel
weakening inaccuracy of attenuator. +-1 decibel
harmonic weakening of carrier. - 30 decibels
output íåêàëèáðîâàííàÿ capacity. No less than 50 megawatts
exit instability for 15 minute. 0, 05 decibel
parasitic amplitude modulation in mode of Tax Code. 0, 2 %
parasitic FM in mode of Tax Code. 1. 10Å-6Fí
modulating parameters:
frequency of internal AM, them, FM. 1000+-100 Hz
frequency of external modulation: AM. 50. 20000 Hz
FM. 60. 60000 Hz
adjustment limits AM. 0. 30 %
adjustment limits of frequency deviation. 30. 500 kHz
setting error of frequency deviation of internal FM. +-15 %
external FM. +-20 %
harmonic coefficient envelope of fm signal. 2. 5 %
external them: pulse duration. 0, 5. 500 usecs
following frequency. 10. 20000 Hz
on-off time ratio. No less than 2
attenuation of the signal in pause. - 40 decibels
other parameters:
burden resistance. 50 (75 with transfer) Omagh
operating temperature range. - 10. 50 degree. With
mains supply 50 cycles or 400 Hz. 220 in
power consumption. 85 computer engineerings
overall dimensions. 335Õ180Õ375 of MM
mass. 14, 5 kg |
