Tektronix VM700T - Manual (Page 6)

Frequency Response and Group Delay measurement using Sin X/X.
Horizontal Timing measurement.
MEASURE MODE (continued)
FREQUENCY RESPONSE AND GROUP DELAY
Absolute Relative
Measurement Range Mode Mode
Accuracy Accuracy
Frequency Response
to 5 MHz ± 40 dB ± 1.0 dB ± 0.3 dB
to 6 MHz ± 40 dB ± 2.0 dB ± 0.6 dB
Group Delay
to 5 MHz ± 1.0 µs ± 20 ns ± 5 ns
to 6 MHz ± 1.0 µs ± 40 ns ± 10 ns
HORIZONTAL BLANKING
Measurement Range Absolute Mode Accuracy
Blanking Start 0.1 to 4.2 µs ± 50 ns
Blanking End 6.8 to 12.2 µs ± 50 ns
Blanking Width 6.9 to 16.4 µs ± 50 ns
INCIDENTAL CARRIER PHASE MODULATION
Measurement Range Accuracy
ICPM (requires zero Carrier Pulse 0 to 90 deg ± 1.0 deg
and the quadrature output of the
demodulator on Channel C)
JITTER
Measurement Range Absolute Mode Accuracy
Jitter (2 Field) ± 20 µs ± 10 ns
Jitter Long Time ± 20 µs ± 10 ns
H_Jitter.
HORIZONTAL TIMING
Measurement Range Absolute Mode Accuracy
Burst Level 80 to 600 mV ± 1%
Horizontal Sync Rise and Fall Time 80 ns to 1 µs ± 10 ns
Horizontal Sync Width 1 to 8 µs ± 10 ns
Burst Width 1.4 to 3 µs ± 25 ns
Sync to Burst Start 5 to 8 µs ± 25 ns
Sync Level 75 to 600 mV ± 0.5%
Amplitude (dB) Amplitude (dB)
Group Delay (n sec) Group Delay (n sec)
(Ref. at 0.24 MHz) (Ref. at 0.24 MHz)
0.0 0.0 1.0 1.0 2.0 2.0 3.0 3.0 4.0 4.0 5.0 5.0 5.8 5.8
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.0 0.0 1.0 1.0 2.0 2.0 3.0 3.0 4.0 4.0 5.0 5.0 5.8 5.8
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
Group Delay & Gain (Sync = B) Wfm --> Group Delay & Gain (Sync = B) Wfm --> Sin X/X
32 -> 32
4.43 M Hz -0.2 dB
4.43 M Hz 8 n sec
Line = 153 (SIS mode) Line = 153 (SIS mode)
Average Average
H Timing (Sync = B) H Timing (Sync = B)
32 -> 32
5.59 u sec
2.26 u sec
299.3 mV
301.0 mV
4.70 u sec
257 n sec
244 n sec
Line = 153 (SIS mode) Line = 153 (SIS mode)
Average Average
Line Line
(n sec) (n sec)
-4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0
F F
F F
I I
I I
E E
E E
L L
L L
D D
D D
1 1
2 2
7 7
625 625
H Sync Jitter in a Frame (Sync = B) H Sync Jitter in a Frame (Sync = B)
32 -> 32
Jitter (Line 20 to 300) -- 0 n sec p-p
Average Average
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