TECHNICAL SPECIFICATION

ROHDE AND SCHWARZ FSP38

SPECTRUM ANALYZER

Specifications FSP-38

Specifications are guaranteed under the following conditions:

30 minutes warm-up time at ambient temperature, specified environmental conditions met, calibration cycle adhered to, and total
calibration performed.
Data without tolerances: typical values only. Data designated "nominal" apply to design parameters and are not tested.

Frequency

Frequency range 9 kHz to 40 GHz

Frequency resolution 0.01 Hz

Reference frequency, internal nominal

-7
Aging per year (After 30 days of operation) 1 × 10
-8
Temperature drift (0 to 50°C) 1 × 10

External reference frequency 10 MHz

Frequency display with marker or frequency counter

Marker resolution span / 500

Max deviation ± ( frequency x reference accuracy + 0.5% x span + 10% x RBW + 1/2 LSD )
(sweep time > 3⋅x auto sweep time)

Frequency counter resolution 0.1 Hz to 10 kHz (selectable)

Count accuracy (S/N >25 dB) ± (frequency x reference error + 1/2 (last digit))

Frequency span 0 Hz, 10 Hz to 40 GHz

Max span deviation 0.1%

Spectral purity (dBc/(1Hz))

SSB phase noise, f ≤ 500 MHz,
for f > 500 MHz see table below

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 Specifications FSP-38

carrier offset 100 Hz <-84, typ -90

1 kHz <-100, typ. -108
10 kHz <-106, typ. -113
100 kHz (span >100 kHz) <-110, typ. -113
1 MHz (span >100 kHz) <-120, typ. -125
10 MHz typ. -145

Residual FM
f ≤ 500 MHz, RBW 1kHz, SWT 100ms typ. 3 Hz

Sweep time

Span ≥ 10 Hz 2.5 ms to 16000 s

Max deviation 1%

Span 0 Hz 1 us to 16000 s

resolution 125 ns

Resolution bandwidths

Bandwidths 10 Hz to 10 MHz (-3 dB) in 1-, 3- steps

EMI-Bandwidths 200 Hz, 9 kHz, 120 kHz (-6 dB)

Bandwidth accuracy
≤ 100 kHz <3%
300 kHz to 3 MHz < 10 %
10 MHz +10 %, –30 %

Shape factor –60dB / -3 dB

≤ 100 kHz ≤ 5 :1 (gaussian filters)
300 kHz to 3 MHz < 15 :1 (4-pole synchronous tuned filters)
10 MHz <7:1

Shape factor –60dB /-6 dB

≤5:1
EMI bandwiths

Video bandwidths 1 Hz to 10 MHz in 1-, 3-steps

FFT filter

Bandwidths 1 Hz to 30 kHz (- 3 dB) in 1-, 3-steps

Bandwidth accuracy 5 %, nominal

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 Specifications FSP-38

Shape factor –60dB /-3 dB 2.5 : 1 nominal

Level
displayed average noise level to 30 dBm
Display range

Maximum input level

DC voltage 0V

RF attenuation 0 dB

CW RF power 20 dBm

Pulse spectral density 97 dBµV (1MHz)

RF attenuation ≥10 dB

CW RF power 30 dBm

Max. pulse voltage 50 V

Max. pulse energy (10 µs) 0.5 mWs

1-dB compression of input mixer

0-dB RF Attenuation, f>200 MHz 0 dBm nominal

Intermodulation

3rd-order intermodulation
Intermodulation free dynamic range, level
2 x -30 dBm, ∆f > 5 ⋅ RBW or 10 kHz, whichever
is larger
Frequency 20 to 200 MHz >70 dBc, T.O.I. >5 dBm
200 MHz to 3 GHz >74 dBc, T.O.I. >7 dBm
3 GHz to 40 GHz >70 dBc, T.O.I. >5 dBm

Second harmonic Intercept point (S.H.I)

Frequency < 100 MHz 25 dBm

100 MHz to 3 GHz 35 dBm
3 GHz to 40 GHz 45 dBm

Displayed average noise level

(0-dB RF attenuation, RBW 100 Hz, VBW 1 Hz, 20 averages, trace average, span 0 Hz, termination 50 Ohm

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 Specifications FSP-38

Frequency: 9 kHz Typ -90 dBm

100 kHz <-90 dBm
1 MHz <-100, typ. -125 dBm
10 MHz to 7 GHz <-120, typ. -143 dBm
7 GHz to 13 GHz <-115, typ. -138 dBm
13 to 26.5 GHz <-100, typ. –110 dBm
26.5 to 40 GHz <-95, typ. –100 dBm

Immunity to interference

Image frequency > 70 dB

Intermediate frequency
f < 3 GHz > 70 dB

Spurious response (f >200 kHz, without < -100 dBm

input signal, 0-dB attenuation)

Spurious response
(with input signal, f < 7 GHz < -70 dBc
(mixer level <–10 dBm, ∆f > 100 kHz)

Level display

Screen 501 × 400 pixel (one diagram), max. 2 diagrams with independent settings

Log level axis 10 dB to 200 dB, in steps of 10 dB

Linear level axis 10% of reference level per level division, 10 divisions or logarithmic scaling

Trace max. 3, with two diagrams on screen max 3 per diagram

Trace Detector Max. Peak, Min. Peak, Auto Peak, Sample, Quasi-Peak, Average, RMS

Trace Functions Clear/Write, Max. Hold, Min. Hold, Average

Setting range of reference level

Logarithmic level display –130 to 30 dBm, in steps of 0.1 dB

Linear level display 70.71 nV to 7.07 V in steps of 1%

dBm, dBmV, dBµV, dBµA, dBpW (log level display)

Units of level axis
mV, µV, mA, µA, pW, nW (linear level display)

Max uncertainty of Level measurement

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 Specifications FSP-38

Absolute level at 128 MHz, -30dBm < 0.2 dB

(RF attenuation 10 dB, RBW 10 kHz
Ref. level –20 dBm, room temperature)

Frequency response
9 kHz to 3 GHz < 0.5 dB
3 to 26.5 GHz < 2 dB

Attenuator < 0.2 dB

Reference level setting < 0.2 dB

Display nonlinearity Log/Lin (S/N >16 dB)

RBW ≤ 100 kHz

0 to –70 dB < 0.2 dB
–70 to –90 dB < 0.5 dB

RBW ≥ 300 kHz

0 to –50 dB < 0.2 dB
–50 to –70 dB < 0.5 dB

Bandwidth switching (ref.: RBW = 10 kHz)

10 Hz to 100 kHz < 0.1 dB
300 kHz to 10 MHz < 0.2 dB

Trigger functions

Trigger

Span ≥ 10 Hz

Trigger source free run, video, external, IF-level

Trigger offset 125 ns to 100 s, resolution 125 ns min. (or 1% of offset)

Span = 0 Hz

Trigger source free run, video, external, IF-level

Trigger offset ± 125 ns to 100 s, resolution 125 ns min., dependent on sweep time

Delay time accuracy ± (125 ns + (0.1% x delay time))

Gated sweep

Trigger source external, IF-level, Video

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 Specifications FSP-38

Gate delay 1 us to 100 s

Gate length 125 ns to 100 s, resolution min. 125 ns or 1% of gate length

Gate length accuracy ± (125 ns + (0.05% x gate length))

Inputs & outputs (front panel)

RF input Testportsystem, N female and K female, 50 Ohm

VSWR (RF attenuation >0 dB) Max .

f < 3 GHz 1.5 : 1
f < 7 GHz 2.0 : 1
f < 26.5 GHz 2.3 : 1

Input attenuator 0 to 70 dB in 10-dB steps

Probe power supply +15 V DC, –12.6 V DC and ground, max. 150 mA

Keyboard Connector PS/2 female for MF-2 keyboard

AF output (only with option R&S FSP-B3) 3.5 mm mini jack

Output impedance 10 Ohm

Open-circuit voltage Adjustable, up to 1.5 V

Inputs & outputs (rear panel)

IF 20.4 MHz Z out = 50 Ohm, BNC female

Level RBW ≤ 30 kHz, FFT –10 dBm at reference level, mixer level > -60 dBm
RBW ≥ 100 kHz 0 dBm at reference level, mixer level >–60 dBm

Reference frequency

Output BNC female

Output frequency 10 MHz

Level 0 dBm nominal

Input 10 MHz

Required level 0 dBm into 50 Ohm

Others

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 Specifications FSP-38

Power supply for noise source BNC female, 0 and 28 V, switchable

External trigger/gate input BNC female, >10 kOhm

Trigger Voltage 1.4 volts, TTL

IEC/IEEE-bus control interface to IEC-625-2 (IEEE 488.2)

Command set SCPI 1997.0

Connector 24-pin Amphenol female

Interface functions SH1, AH1, T6, L4, SR1, RL1, PP1, DC1, DT1, C0

Serial interface RS-232-C (COM), 9-pin D-SUB connector

Printer interface parallel (Centronics compatible)

Mouse connector PS/2 female

Connector f. external monitor (VGA) 15-pin D-SUB connector

General data

Display 21-cm TFT color display (8.4“)

Resolution 640 x 480 pixels (VGA resolution)

–5
Pixel failure rate <2 x 10

Mass memory 1.44-Mbyte 3 ½“ diskette (built-in disk drive), harddisk

Data storage >500 instrument settings and traces

Temperature range

Nominal temperature range + 0 to +50°C

Storage temperature range – 40 to +70°C

Damp heat +40°C at 95% relative humidity (EN 60068–2–30)

Mechanical stress

Sinusoidal vibration 5 to 150 Hz, max. 2 g at 55 Hz; 0.5 g from 55 to 150 Hz; to EN 60068-2-6, EN
60068-2-30, EN 61010-1,
MIL-T-28800D, class 5

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 Specifications FSP-38

Random vibration 10 to 300 Hz, acceleration 1.9 g rms

Shock 40 g shock spectrum, to MIL-STD-810C and MIL-T-28800D, classes 3 and 5

Recommended calibration interval 2 years for operation with external reference, internal reference 1 year

Power supply

AC supply 100 V to 240 V AC, 50 Hz to 400 Hz, 3.1 A – 1.3 A, Protection class I

typical power consumption 150 VA

Safety to EN 61010-1, UL 3111-1, CSA C22.2 No. 1010-1, IEC 1010-1

Test mark VDE, GS, CSA, CSA-NRTL/C

RFI suppression complies to the EMC rules of the EU (89/336/EWG)

Dimensions in mm (W x H x D) 412 x 197 x 417

Weight (w/o options) 14 kg

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