Hameg CombiScope HM1508-2 Service Manual

5
Subject to change without notice
150 MHz Mixed Signal CombiScope
®
HM1508-2
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
Overshoot: max. 1 %
Bandwith limiting (selectable): about 20 MHz (5 mV/cm - 20 V/ cm)
Deflection Coefficients(CH 1,2):14 calibrated steps
1mV – 2mV/cm (10MHz) ± 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: 100V (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: 5mm
Frequency range: 10 Hz - 250 MHz
Level control range: from Peak- to Peak+
Normal (without peak):
Min. signal height: 5mm
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: 0-5kHz
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
pp
, 150 MHz)
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
Anal
og mode
2nd Trigger
Min. signal height: 5mm
Frequency range: 0 - 250 MHz
Coupling: DC
Level control range: –10 cm to +10 cm
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: 20ms/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): 10GSa/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): x10
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
HM1508-2 Specifications

Hameg CombiScope HM1508-2 Specifications

General

Brand	Hameg
Model	CombiScope HM1508-2
Category	Measuring Instruments
Language	English