R3765/67G Series Network Analyzer Operation Manual
10.7 Noise Level
10-22
When R3765CG/67CG
•
Measure the noise level of A input.
(a) [MEAS]
{S12 TRANS REV}.
(b) Press [SYSTEM]
→
{SERVICE MENU}
→
{SERVICE MODE}
→
{MAINTENANCE MEAS MENU}
→
{A} to display the noise level of A input.
(c) [AVG]
→
{SMOOTHING ON}
→
{SMOOTHING APERTURE}
→
[2]
→
[0]
→
[x1].
(d) [SYSTEM]
→
[SYSTEM]
→
{SERVICE MENU}
→
{SERVICE MODES}
→
{SOURCE PLL OFF}.
(e) Read the noise level value by the marker.
•
Measure the noise level of B input.
(a) [MEAS]
{S21 TRANS FWD}.
(b) Press [SYSTEM]
→
{SERVICE MENU}
→
{SERVICE MODE}
→
{MAINTENANCE MEAS MENU}
→
{B} to display the noise level of B input.
(c) [AVG]
→
{SMOOTHING ON}
→
{SMOOTHING APERTURE}
→
[2]
→
[0]
→
[x1].
(d) [SYSTEM]
→
[SYSTEM]
→
{SERVICE MENU}
→
{SERVICE MODES}
→
{SOURCE PLL OFF}.
(e) Read the noise level value by the marker.
<Check> : Noise level (3kHz bandwidth)
300kHz to 40MHz : -73dB or less
40MHz to 3.8GHz : -78dB or less
3.8GHz to 8GHz
: -68dB or less (R3767CG only)
For OPT 12
300kHz to 40MHz : -65dB or less
40MHz to 3.8GHz : -70dB or less
For OPT 11, OPT 13 or OPT 14
•
Measure the noise level at Input A.
(a) [MEAS]
→
{S12 (P2
→
P1)}
(b) [SYSTEM]
→
{SERVICE MENU}
→
{SERVICE MODE}
→
{MAINTENANCE
MEAS MENU}
→
{A}
(c) [AVG]
→
{SMOOTHING ON}
→
{SMOOTHING APERTURE}
→
[2]
→
[0]
→
[x1].
(d) [SYSTEM]
→
[SYSTEM]
→
{SERVICE MENU}
→
{SERVICE MODES}
→
{SOURCE PLL OFF}.
(e) Read the noise level indicated by the marker.
•
Measure the noise level at Input B.
(a) [MEAS]
→
{S12 (P2
←
P1)}
(b) [SYSTEM]
→
{SERVICE MENU}
→
{SERVICE MODE}
→
{MAINTENANCE
MEAS MENU}
→
{B}
(c) [AVG]
→
{SMOOTHING ON}
→
{SMOOTHING APERTURE}
→
[2]
→
[0]
→
[x1].
(d) [SYSTEM]
→
[SYSTEM]
→
{SERVICE MENU}
→
{SERVICE MODES}
→
{SOURCE PLL OFF}.
(e) Read the noise level indicated by the marker.
4
5