AOR AR5000 Manual de instrucciones descargar pdf (Pagina 7)

AR5000 Frequency stability

Measured for a ‘typical’ stock set.

Measured at 20 MHz from cold. Room temperature approx. 25 degree Celsius.

Time Elapsed Frequency change from start

0 0 Hz

1 minute 3 Hz

2 minutes 4 Hz

3 minutes 6 Hz

4 minutes 8 Hz

5 minutes 9 Hz

10 minutes 16 Hz

20 minutes 25 Hz

30 minutes 30 Hz

40 minute 33 Hz

50 minutes 35 Hz

1 hour 36 Hz

2 hours 37 Hz

i.e.

Under 2ppm from cold in 1

hour.

0.05ppm in subsequent hour.

AR5000 Local Oscillator Phase Noise Measurements

The following measurements are from a 'typical' AR5000 receiver. Figures supplied by AOR

Japan 19 December 1997.

VCO

dBC/Hz

25KHz Offset

50KHz Offset

VCO1 10KHz 622.4MHz 109 112

15KH 637.4MHz 110 112

29KHz 651.4MHz 109 111

VC02 30MHz 652.4MHz 103 108

103MHz 725.4MHz 103 108

174MHz 796.4MHz 104 108

675MHz 1297.4MHz 98 104

825MHz 1447.4MHz 98 106

974MHz 1596.4MHz 100 107

VC03 175MHz 979.4MHz 102 107

258MHz 889.4MHz 102 107

1 2 3 4 5 6 7 8 9 10 11 12 ... 23 24

Sin comentarios

AOR AR5000 Manual de instrucciones Pagina 7