Tektronix RFM150, Инструкция по эксплуатации

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Specifications
RFM 150 Instruction Manual 4–5
Table 4–4: Spectral display mode
Name Description
Display Dynamic Range REQ: 50 dB
REF: The vertical scale for the Spectral Display
mode is five divisions at 10 dB / div.
Display Reference Level
Range REQ: 0 dBmV to +60 dBmV
REF: Variable in 1 dB steps.
Spurious Free Dynamic
Range REQ: –50 dBc (20 MHz to 1080 MHz)
–45 dBc (5 MHz to 20 MHz)
REF: WIth equal visual carrier levels or with
external preselection filter of 3 channels or
less. (–40 dBc, 5 MHz to 1080 MHz, no
preselection.
10
)
Frequency Accuracy REQ:
±
5 kHz,
±
10
–5
of tuned frequency
REF: From 5 MHz to 1080 MHz
Table 4–5: RF input
Name Description
Input Impedance REQ: 75
W
, nominal
Return Loss REQ: > 14 dB (20 MHz to 1080 MHz)
> 8 dB, typical (5 MHz to 20 MHz)
REF: With internal attenuation set to 0 dB.
Use precision F-style connector.
10
To meet measurement accuracy specifications, the system visual carrier
amplitude variation must be less than 10 dB over 300 MHz plus 1 dB for each
additional 100 MHz up to 17 dB total.
Specifications
RFM 150 Instruction Manual 4–5
Table 4–4: Spectral display mode
Name Description
Display Dynamic Range REQ: 50 dB
REF: The vertical scale for the Spectral Display
mode is five divisions at 10 dB / div.
Display Reference Level
Range REQ: 0 dBmV to +60 dBmV
REF: Variable in 1 dB steps.
Spurious Free Dynamic
Range REQ: –50 dBc (20 MHz to 1080 MHz)
–45 dBc (5 MHz to 20 MHz)
REF: WIth equal visual carrier levels or with
external preselection filter of 3 channels or
less. (–40 dBc, 5 MHz to 1080 MHz, no
preselection.
10
)
Frequency Accuracy REQ:
±
5 kHz,
±
10
–5
of tuned frequency
REF: From 5 MHz to 1080 MHz
Table 4–5: RF input
Name Description
Input Impedance REQ: 75
W
, nominal
Return Loss REQ: > 14 dB (20 MHz to 1080 MHz)
> 8 dB, typical (5 MHz to 20 MHz)
REF: With internal attenuation set to 0 dB.
Use precision F-style connector.
10
To meet measurement accuracy specifications, the system visual carrier
amplitude variation must be less than 10 dB over 300 MHz plus 1 dB for each
additional 100 MHz up to 17 dB total.