Tektronix WFM7020 Technical Reference

Specifications
Table 2: Compos
ite Analog Input Waveform Vertical Characteristics
Characteristic Performance requirement Reference inform ation
Measured usin
g cursors or graticules
1X
±1%
Vertical
Measurement
Accuracy
5X
±1%
Gain
X1, X2, X5, and X10
Variable G
ain Range, Nominal
0.25X to 1.8X
Frequency Response
Flat to 5.7
5MHz,±1%
Delay Variation over Frequency ± 10 ns to 5.75 MHz Typically ± 2.5 ns
Pulse to bar ratio 0.99:1 to 1.01:1
Preshoo
t
≤ 1%
Overshoot ≤ 1%
Transient
Response on
Sine Squ
ared
2T4 Pulse
Ringin
g
≤ 1%
Field R
ate Tilt
< 0.5% With D C Restore Fast or Off
Line R
ate Tilt
< 0.5% With D C Restore Fast or Off
Off Screen Recovery ≤ 0.5% variation in baseline of a Chroma
modulated pulse when positioned anywhere
on sc
reen. Signal must meet specification for
Video Maximum O perating Amplitude. Any
gain setting.
SNR 60 dB
RMS
minimum, relative to 700 mv for
PAL
or 714 mv for NTSC.
Table 3: Composite Analog Inputs A and B Physical Layer
Characteristic Performance requirement Reference information
Formats Supported NTSC, NTSC no setup, and PAL, I, B, D, G,
H. Complies with RS170A & ITU-R BT.471
Manual or auto detect of input standard
Internal Referenc e
Proper horizontal and vertical synchronization
with a composite signal of appropriate line
and field rate
Input Dynamic Range, Typical ± 6 dB range
Video Maximum Operating
Amplitudewith Clamp Off (DC
Coupled), Typical
–1.8 V to +2.2 V (all inputs) DC +peak AC
Maximum Absolute Video Input
Voltage
–6.0 V to +6.0 V (DC + peak AC)
Input Type
Passive loop-through 75 Ω compensated
DC Input Impedance 20 kΩ
Return Loss Typically > 46 dB to 6 MHz, > 40 dB to
10 MHz. Typically 35 dB with power off for
standard amplitude video
Waveform Monitors Specifications and P erformance Verification 3

Tektronix WFM7020 Specifications

General

Brand	Tektronix
Model	WFM7020
Category	Monitor
Language	English