Tektronix 2715 2715 Spectrum Analyzer Service Manual 1-7, Figure 1- 1: TypicalAccuracy Limits for Carrier-to -NoiseMeasurem ent, Figure 1- 2: TypicalAccuracy Limits for CTB Measurement

Specifications
2715 Spectrum Analyzer Service Manual 1-7
±4dBto500MHz
±2dBto500MHz
±4dB at 1000 MHz
±2dB at 1000 MHz
C/N
Measurement
Limit(dBc)
0
-- 1 0
-- 2 0
-- 3 0
-- 4 0
-- 5 0
-- 6 0
-- 7 0
-- 8 0
-- 9 0
-- 3 0 -- 2 0 --100 102030 4050 6070
VISUALCARRIER PEAK (dBmV)
Minimumsignal level for gated measurement (at 1000 MHz)
Minimumsignal level for gated measurement (to 500 MHz)
Note:60 channel
flatsystem
Minimum C/N
forgated
measurements
Figure 1- 1: TypicalAccuracy Limits for Carrier-to -NoiseMeasurem ent
±4dBto500MHz(Note1)
±2dBto500MHz(Note1)
±4dBto500MHz(Note2)
±2dBto500MHz(Note2)
±4dB at 1000 MHz (Note 2)
±2dB at 1000 MHz (Note 2)
CTB
Measurement
Limit(dBc)
0
-- 1 0
-- 2 0
-- 3 0
-- 4 0
-- 5 0
-- 6 0
-- 7 0
-- 8 0
-- 9 0
-- 3 0 -- 2 0 --100 102030 4050 6070
Note1
Approximateextended limits if
preselectoris used and mixer input
levelis set to --20dBm.
Note2
Normallimits without preselector and
mixerinput level set to default setting
of --30dBm in a 60 channel flat
system.
VISUALCARRIER PEAK (dBmV)
Minimumsignal level for gated measurement (to 500 MHz)
Minimumsignal level for gated
measurement(at 1000 MHz)
Figure 1- 2: TypicalAccuracy Limits for CTB Measurement