SML02

The Rohde & Schwarz SML02 is a highly reliable, state-of-the-art RF signal generator designed for general-purpose applications across development, production, and service environments. Operating over a wide frequency range of 9 kHz to 2.2 GHz with outstanding spectral purity and high level accuracy, it delivers versatile analog modulation capabilities, including AM, FM, and φM, alongside options for high-performance pulse modulation and stereo/RDS coding.

RF and Microwave Receiver Testing Signal Generation

Specifications

Frequency

Parameter	Value
Minimum Frequency	9 kHz
Maximum Frequency	2.2 GHz
Frequency Resolution	0.1 Hz

Output

Parameter	Value
Maximum Output Power	+13 dBm
Output Power Range	-140 dBm to +13 dBm (overrange to +19 dBm)
Phase Noise	-128 dBc/Hz (typical at 1 GHz carrier, 20 kHz offset)

Modulation

Parameter	Value
Modulation	AM, FM, Phase (φM), Pulse (optional)
Sweep Modes	Digital frequency and level sweep (RF, LF, Level)
External Modulation Input Impedance	100 kOhm
External Modulation Input Level	1 Vp for nominal deviation
Pulse Modulation External Input Level	TTL (H > 2 V, L < 0.8 V)

General

Parameter	Value
Reference Oscillator	Internal TCXO standard; OCXO optional (SML-B1)
Interfaces	GPIB (IEEE-488.2), RS-232
Display	LCD

Physical

Parameter	Value
Dimensions (W×H×D)	427 mm × 88 mm × 450 mm
Weight	8.5 kg

Frequency Characteristics

Parameter	Value
Frequency Setting Time	< 10 ms
Reference Frequency Input	10 MHz
Reference Frequency Output	10 MHz

Level (Output) Characteristics

Parameter	Value
Level Setting Time	< 10 ms
Level Resolution	0.1 dB
Level Accuracy	< 0.5 dB (at levels > -120 dBm)
Output Impedance	50 Ω
Maximum Safe Reverse Power	50 W (1 MHz to 2.2 GHz), 50 V DC
Attenuator Type	Electronic

Spectral Purity

Parameter	Value
Harmonics	<-30 dBc (for levels <= +10 dBm, f > 1 MHz)

Analog Modulation (AM, FM, Phase)

Parameter	Value
AM Modulation Depth Range	0% to 100%
AM Resolution	0.1%
AM Modulation Frequency Range	DC to 50 kHz

Internal Modulation Source (LF Generator)

Parameter	Value
LF Frequency Range	0.1 Hz to 1 MHz
LF Frequency Resolution	0.1 Hz

Interfaces and Connectivity

Parameter	Value
RF Output Connector Type	N female (front panel)
LF Output Connector Type	BNC female
Command Set / Programming Languages	SCPI

Environmental and Compliance

Parameter	Value
Operating Temperature Range	0°C to +55°C
Storage Temperature Range	-40°C to +70°C
Recommended Calibration Interval	3 years

Ordering Information and Hardware Options

Parameter	Value
High Stability OCXO Reference Option	SML-B1
Pulse Modulator Option	SML-B3
Stereo/RDS Coder Option	SML-B5

Protection

Parameter	Value
Overvoltage Protection Maximum DC Voltage	50 V
Overvoltage Protection Maximum RF Power	50 W

Options

Parameter	Value
OCXO Reference Oscillator Option Model	R&S SML-B1
Pulse Modulator Option Model	R&S SML-B3
Stereo/RDS Coder Option Model	R&S SML-B5
Rear Connectors for RF and LF Option Model	R&S SML-B19

Internal LF Generator

Parameter	Value
LF Distortion	< 0.1% (at 1 kHz, U = 1 V, RL > 250 Ohm)

Frequency Modulation (FM)

Parameter	Value
FM Deviation Error	< 3% of reading + 20 Hz (at 1 kHz)

Pulse Modulation

Parameter	Value
Pulse Delay (Option SML-B3)	approx. 50 ns

Stereo / RDS Coder Option

Parameter	Value
RDS Carrier Frequency (Option SML-B5)	57 kHz

Storage and Memory

Parameter	Value
Save/Recall Registers	50 complete instrument setups

Standards and Compliance

Parameter	Value
Safety Standards	Complies with EN 61010-1

Technology

RF Signal Generator

Applications

General-purpose RF testing, receiver characterization, automated test systems (ATE), service and production environments