Table 5-42

Pulse modulation rise and fall time test

 

 

 

 

 

 

 

Result (∝s)

 

 

 

 

 

 

 

 

Rise time

 

<10 ∝s

_______

Fall time

 

<10 ∝s

_______

 

 

 

 

 

 

Table 5-43

Modulation oscillator frequency tests

Frequency (Hz)

Result (Hz)

10

100

1000

20000

_______

_______

_______

_______

Table 5-44 Modulation oscillator distortion and LF output tests

Mod. oscillator

Response

Result

Response

Distortion (%)

Result (%)

frequency (Hz)

level min.

 

level max.

 

 

 

(dB)

 

(dB)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

−1

_______

+1

−

−

20

−1

_______

+1

−

−

50

−1

_______

+1

−

−

100

−1

_______

+1

−

−

200

−1

_______

+1

−

−

500

−1

_______

+1

−

−

1000

−1

reference

−

<0.1%

_______

2000

−1

_______

+1

−

−

5000

−1

_______

+1

−

−

10000

−1

_______

+1

−

−

20000

−1

_______

+1

−

−

 

 

 

 

 

 

 

 

 

 

 

 

Table 5-45 External frequency standard tests

External signal

Locked [￿]

 

 

 

 

 

 

 

 

 

 

1

MHz,

220 mV

[

]

1

MHz,

1.8 V

[

]

10

MHz,

220 mV

[

]

10

MHz,

1.8 V

[

]

 

 

 

 

 

 

 

 

 

 

5-51

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Image 126
VXI 3002 manual Modulation oscillator frequency tests, Modulation oscillator distortion and LF output tests