Frequency Response And Group Delay; Horizontal Timing; Incidental Carrier Phase Modulation; Horizontal Blanking - Tektronix VM700T Product Information

MEASURE MODE (continued)

FREQUENCY RESPONSE AND GROUP DELAY

Absolute
Measurement Range
Accuracy
Frequency Response
to 5 MHz ± 40 dB
to 6 MHz ± 40 dB
Group Delay
to 5 MHz ± 1.0 µs
to 6 MHz ± 1.0 µs
Group Delay & Gain (Sync = B) Group Delay & Gain (Sync = B)
Line = 153 (SIS mode) Line = 153 (SIS mode)
Amplitude (dB) Amplitude (dB) (Ref. at 0.24 MHz) (Ref. at 0.24 MHz)
0.6 0.6
0.4 0.4
0.2 0.2
0.0 0.0
-0.2 -0.2
-0.4 -0.4
-0.6 -0.6
-0.8 -0.8
0.0 0.0 1.0 1.0 2.0 2.0
Group Delay (n sec) Group Delay (n sec)
40.0 40.0
30.0 30.0
20.0 20.0
10.0 10.0
0.0 0.0
-10.0 -10.0
-20.0 -20.0
-30.0 -30.0
-40.0 -40.0
0.0 0.0 1.0 1.0 2.0 2.0
Average Average 32 -> 32
Frequency Response and Group Delay measurement using Sin X/X.

HORIZONTAL BLANKING

Measurement Range
Blanking Start 0.1 to 4.2 µs
Blanking End 6.8 to 12.2 µs
Blanking Width 6.9 to 16.4 µs
6
Relative
Mode Mode
Accuracy
± 1.0 dB ± 0.3 dB
± 2.0 dB ± 0.6 dB
± 20 ns ± 5 ns
± 40 ns ± 10 ns
Wfm --> Wfm --> Sin X/X
4.43 M Hz -0.2 dB
3.0 3.0 4.0 4.0 5.0 5.0 5.8 5.8
4.43 M Hz 8 n sec
3.0 3.0 4.0 4.0 5.0 5.0 5.8 5.8
Absolute Mode Accuracy
± 50 ns
± 50 ns
± 50 ns

HORIZONTAL TIMING

Measurement Range
Burst Level 80 to 600 mV
Horizontal Sync Rise and Fall Time 80 ns to 1 µs
Horizontal Sync Width 1 to 8 µs
Burst Width 1.4 to 3 µs
Sync to Burst Start 5 to 8 µs
Sync Level 75 to 600 mV
H Timing (Sync = B) H Timing (Sync = B)
Line = 153 (SIS mode) Line = 153 (SIS mode)
5.59 u sec
4.70 u sec
257 n sec
244 n sec
Average Average 32 -> 32
Horizontal Timing measurement.

INCIDENTAL CARRIER PHASE MODULATION

Measurement Range
ICPM (requires zero Carrier Pulse 0 to 90 deg
and the quadrature output of the
demodulator on Channel C)
JITTER
Measurement Range
Jitter (2 Field) ± 20 µs
Jitter Long Time ± 20 µs
H Sync Jitter in a Frame (Sync = B) H Sync Jitter in a Frame (Sync = B)
Line Line Jitter (Line 20 to 300) --
7 7
F F
I I
E E
L L
D D
1 1
F F
I I
E E
L L
D D
2 2
625 625
-4.0 -4.0 -3.0 -3.0 -2.0 -2.0 -1.0 -1.0
(n sec) (n sec)
Average Average 32 -> 32
H_Jitter.
Absolute Mode Accuracy
± 1%
± 10 ns
± 10 ns
± 25 ns
± 25 ns
± 0.5%
2.26 u sec
299.3 mV
301.0 mV
Accuracy
± 1.0 deg
Absolute Mode Accuracy
± 10 ns
± 10 ns
0 n sec p-p
0.0 0.0 1.0 1.0 2.0 2.0 3.0 3.0