Atec Rohde-Schwarz-SMP Series - Manual (Page 12)

Microwave Signal Generator SMP 12
Internal modulation generator
Frequency 0.4/1/3/15 kHz ± 3%
Open-circuit voltage at LF connector 1 V ± 1% (R
out
= 10 Ω, R
load
>200 Ω)
(peak value)
LF generator option SM-B2
Waveforms sinewave, triangular, squarewave,
noise
Frequency range
Sinewave, noise
Triangular, squarewave 0.1 Hz to 500 kHz
0.1 Hz to 50 kHz
Resolution 0.1 Hz
Frequency accuracy <1 x 10 –4
Frequency response (sinewave)
up to 100 kHz
up to 500 kHz <0.3 dB
<0.5 dB
Distortion (20 Hz to 100 kHz) <0.1% (for level >0.5 V)
Open-circuit voltage at LF connector
Resolution
Setting accuracy at 1 kHz
1 mV to 4 V (R
out
= 10 Ω, R
load
>200 Ω)
1 mV
±1% + 1 mV
Frequency setting time
(after IEC/IEEE-bus delimiter)
<10 ms
Pulse generator option SMP-B14
Operating modes single pulse, delayed pulse, double
pulse
Active trigger edge positive or negative
Pulse repetition period
Resolution
Accuracy
100 ns to 85 s
5 digits, min. 20 ns
same as reference frequency
Pulse width
Resolution
Accuracy
40 ns to 1 s
4 digits, min. 20 ns
<(5% of reading ± 3 ns)
Pulse delay
Resolution
Accuracy
40 ns to 1 s
4 digits, min. 20 ns
±5% of reading
–10 ns to +20 ns
Double pulse
Resolution
Accuracy
60 ns to 1 s
4 digits, min. 20 ns
±5% of reading
–10 ns to +20 ns
Trigger delay <50 ns
PULSE modulation input
Input level
Input impedance TTL (HCT)
50
Ω or 10 kΩ
SYNC output TTL level (HC), 40 ns pulse width
VIDEO output TTL level (HC)
PP
PD PW
SYNC output
VIDEO output
RF output
The pulse generator option enables the pulse delay PD, pulse width PW and
pulse repetition period PP to be set with high accuracy and resolution.
RF control output
Frequency range 2 GHz to 20 GHz
Level approx. 0 dBm
Sweep
digital sweep in discrete steps
RF sweep, AF sweep
Operating modes
Sweep range
Step width linear
Step width logarithmic
AF sweep with option SM-B2
automatic, single-shot, manual or ex-
ternally triggered, linear or logarithmic
user-selectable
0.01% to 50%
Level sweep
Operating modes
Sweep range
Step width
automatic, single-shot, manual or
externally triggered, logarithmic
0.1 dB to 20 dB
0.1 dB to 20 dB
Step time
Resolution
10 ms to 1 s
0.1 ms
Markers 3, user-selectable
MARKER output TTL/HC logic signal, selectable polarity
X output 0 V to 10 V
BLANK output TTL/HC logic signal, selectable polarity
TRIGGER input TTL/HCT logic signal, polarity of active
trigger edge selectable
STOP input TTL/HCT logic signal, selectable
polarity
LIST mode
frequency and level values can be
stored and read out fast; permissible
level variation range: 20 dB
Operating modes automatic, single-shot, manual or
externally triggered
Max. length of list 2003 pairs of frequency and level
values
Step time
Resolution
(1 ms to 1 s) + the less of 5 ms/GHz or
50 ms
0.1 ms
Memory for instrument settings
Storable settings 50
Memory sequence modes
Operating modes automatic, single-shot, manual or
externally triggered
Step time
Resolution
50 ms to 60 s
1 ms
Auxiliary interface with option SMP-B18
V/GHz output output voltage proportional to frequen-
cy, 0.5 V/GHz
9) or 1 V/GHz selectable
Z output user-selectable level range
–10 V to +10 V