R&S SM300
Measuring Instruments and Auxiliary Equipment
Version 04
69
Service Manual SM300: 1147.1652.00
Instrument Part No SM300: 1147.1498.03
2.2 Measuring Instruments and Auxiliary Equipment
Item Instrument type
Recommended
characteristics
Suitable unit
R&S Order
No.
Use/measurement
1
Frequency counter Frequency range up to
fmax Internal reference
10 MHz
Contained in item
2 or 10
Frequency accuracy
2
RF spectrum
analyzer
Frequency range up to
fmax
FSEA30
1065.6000.30 Settling time
level accuracy
Output reflection
coefficient
Harmonics
Spurious
Pulse modulation
3
Signal generator
with high spectral
purity
Phase noise at 1 GHz:
typ. <-128 dBc/Hz at
20 kHz
SME03
SMHU
1038.6002.03
0835.0011.52
output reflection
coefficient
SSB phase noise
Broadband noise
4
Storage oscilloscope DC 100 MHz, 0.1V/div
SSB phase noise
Pulse modulation
5
Phase noise test set Mixer: 10 MHz to fmax
Lowpass filter:
approx. 500 kHz
Preamplifier with gain of
approx. 30 dB, input noise
<2 nV (1 Hz), DC
decoupling after mixer for
oscilloscope
SSB phase noise
6
RF power meter
9 kHz to fmax
NRVS with
NRV-Z51
1020.1809.02
0857.9004.02
Level accuracy
7
Precision
attenuators
Frequency range
9 kHz to fmax
Attenuation 0 to 125 dB
I = 50
:
RSG
0831.3515.02 Level accuracy
8
Controller
IEC-625-1 interface
Settling time
9
SWR bridge
1 MHz to fmax
Directivity >40 dB
ZRC
1039.9492.55/
1039.9492.52
Output reflection
coefficient
10
Modulation analyzer 100 kHz to fmax ,
AM, FM, PhiM, stereo
coder, distortion meter,
weighting filter ITU-R,
ITU-T
FMB with option
FMA-B1,
FMA-B2,
FMA-B3,
FMA-B4
856.5005.52
855.2002.52
855.0000.52
856.0003.52
855.6008.52
Residual FM
Residual AM
AM/FM/PhiM
modulation
LF generator
11
Sinewave generator 10 Hz to 500 kHz,
ADS
AFG
1012.4002.02
0377.2100.02
AM/FM/PhiM
modulation
12
AC/DC voltmeter
DC to 1 MHz
URE3
350.5315.03 LF generator
13
Low-noise
preamplifier
5 kHz to fmax
Gain >20 dB,
Noise figure <10 dB
Level accuracy
Table 2-1: Measuring equipment and accessories