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150 MHz Mixed Signal CombiScope
Valid at 23 °C after a 30 minute warm-up period
Vertical Deflection
Channels:
Analog:
2
Digital:
2 + 2 Logic Channels
Operating Modes:
Analog:
CH 1 or CH 2 separate, DUAL (CH 1 and
CH 2 alternate or chopped), Addition
Digital:
Analog Signal Channels CH 1 or CH 2
separate, DUAL (CH 1 and CH 2), Addition
Logic Signal Channels: CH 3 and CH 4
X in XY-Mode:
CH 1
Invert:
CH 1, CH 2
Bandwidth (-3 dB):
2 x 0 – 150 MHz
Rise time:
‹ 2.3 ns
Bandwith limiting (selectable): about 20 MHz (5 mV/ cm – 20 V/ cm)
Deflection Coefficients(CH1,2):14 calibrated steps
1 mV – 2 mV/cm (10 MHz) ± 5 % (0 – 10 MHz (-3 dB))
5 mV – 20 V/cm
± 3 % (1-2-5 sequence)
variable (uncalibrated):
› 2.5 :1 to › 50 V/cm
Inputs CH 1, 2:
Input Impedance:
1 MΩ II 15 pF
Coupling:
DC, AC, GND (ground)
Max. Input Voltage:
400 V (DC + peak AC)
Y Delay Line (analog):
70 ns
Measuring Circuits:
Measuring Category I
Digital mode only:
Logic Channels:
CH 3, CH 4
Select. switching thresholds: TTL, CMOS, ECL
User definable thresholds:
3
within the range:
-2 V to +3 V
Analog mode only:
Auxiliary input:
CH 4: 100 V (DC + peak AC)
Function (selectable):
Extern Trigger, Z (unblank)
Coupling:
AC, DC
Max. input voltage:
100 V (DC + peak AC)
Triggering
Analog and Digital Mode
Automatic (Peak to Peak):
Min. signal height:
5 mm
Frequency range:
10 Hz – 250 MHz
Level control range:
from Peak- to Peak+
Normal (without peak):
Min. signal height:
5 mm
Frequency range:
0 – 250 MHz
Level control range:
-10 cm to +10 cm
Operating modes:
Slope/Video/Logic
Slope:
positive, negative, both
Sources:
CH 1, CH 2, alt. CH 1/2 (≥ 8 mm, analog
mode only), Line, Ext.
Coupling:
AC: 10 Hz–250 MHz
DC: 0 – 250 MHz
HF: 30 kHz–250 MHz
LF: 0–5 kHz
Noise Rej. switchable
Video:
pos./neg. Sync. Impulse
Standards:
525 Line/60 Hz Systems
625 Line/50 Hz Systems
Field:
even/odd/both
Line:
all/line number selectable
Source:
CH 1, CH 2, Ext.
Indicator for trigger action: LED
External Trigger via:
CH 4 (0.3 V
Coupling:
AC, DC
Max. input voltage:
100 V (DC +peak AC)
Digital mode:
Logic:
AND/OR, TRUE/FALSE
Source:
CH1 or 2, CH3 and CH4
State:
X, H, L
Pre/Post Trigger:
-100 % to +400% related to complete memory
Analog mode
2nd Trigger
Min. signal height:
5 mm
Frequency range:
0 – 250 MHz
Coupling:
DC
Level control range:
-10 cm to +10 cm
®
HM1508-2
, 150 MHz)
pp
Horizontal Deflection
Analog mode
Operating modes:
A, ALT (alternating A/B), B
Time base A:
0.5 s/cm – 50 ns/cm (1-2-5 sequence)
Time base B:
20 ms/cm – 50 ns/cm (1-2-5 sequence)
Accuracy A and B:
± 3 %
X Magnification x10:
to 5 ns/cm
Accuracy:
± 5 %
Variable time base A/B: cont. 1:2.5
Hold Off time:
var. 1:10 LED-Indication
Bandwidth X-Amplifier: 0 – 3 MHz (-3 dB)
X Y phase shift ‹ 3°:
‹ 220 kHz
Digital mode
Time base range (1-2-5 sequence)
Refresh Mode:
20 ms/cm – 5 ns/cm
with Peak Detect:
20 ms/cm – 2 ms/cm (min. Pulse Width 10 ns)
Roll Mode:
50 s/cm – 50 ms/cm
Accuracy time base
Time base:
50 ppm
Display:
± 1 %
MEMORY ZOOM:
max. 50,000:1
Bandwidth X-Amplifier:
0 – 150 MHz (-3 dB)
XY phase shift ‹ 3°:
‹ 100 MHz
Digital Storage
Sampling rate (real time):
Analog channels: 2 x 500 MSa/s, 1 GSa/s
interleaved; Logic Channels: 2 x 500 MSa/s
Acquisition (random sampling): 10 GSa/s
Bandwidth:
2 x 0 – 150 MHz (random)
Memory:
1 M-Samples per Channel
Operating modes:
Refresh, Average, Envelope/
Roll: Free Run/Triggered, Peak-Detect
Resolution (vertical):
8 Bit (25 Pts/cm)
Resolution (horizontal):
Yt:
11 Bit (200 Pts/cm)
XY:
8 Bit (25 Pts /cm)
Interpolation:
Sinx/x, Dot Join (linear), Pulse
Delay:
1 Million x 1/Sampling Rate to
4 Million x 1/Sampling Rate
Display refresh rate:
max.170/s at 1 MPts
Display:
Dots (acquired points only), Vectors (partly
interpolated), optimal (complete memory
weighting and vectors)
Reference Memories:
9 with 2 kPts each (for recorded signals)
Display:
2 signals of 9 (free selectable)
FFT Mode
Display X:
Frequency Range
Disaplay Y:
True rms value of spectrum
Scaling:
Linear or logarithmic
Level display:
dBV, V
Window:
Square, Hanning, Hamming, Blackmann
Control:
Center frequency, Span
Marker:
Frequency, Amplitude
Zoom (frequency axis):
up to x 20
Operation/Measuring/Interfaces
Operation:
Menu (multilingual), Autoset,
help functions (multilingual)
Save/Recall (instrument parameter settings): 9
Signal display:
max. 4 signals or 4 traces
analog:
CH 1, 2 (Time Base A) in combination with
CH 1, 2 (Time Base B)
digital:
CH 1, 2 and CH 3, 4 or ZOOM or Reference
or Mathematics
USB Memory-Stick:
Save/Recall external:
Instrument settings and Signals: CH 1, 2 and CH 3, 4 or ZOOM or
Reference or Mathematics
Screen-shot:
as Bitmap
Signal display data (2k per channel): Binary (SCPI-Data), Text (ASCII-
Format), CSV (Spread Sheet)
Frequency counter:
6 digit resolution:
› 1 MHz – 250 MHz
5 digit resolution:
0.5 Hz – 1 MHz
Accuracy:
50 ppm
Auto Measurements:
Analog mode:
Frequency, Period, V
also in digital mode:
V
rms
Cursor Measurements:
Analog mode:
Δt, 1/Δt (f), t
plus in digital mode:
V
, V
pp
/
S p e c i f i c a t i o n s
, V
, V
, V
dc
pp
p+
p-
, V
avg
, ΔV, V to GND, ratio X, ratio Y
r
+, V
-, V
, V
, pulse count
p
p
avg
rms
Subject to change without notice
5
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