diff --git a/qcodes_contrib_drivers/drivers/RohdeSchwarz/SMB100A.py b/qcodes_contrib_drivers/drivers/RohdeSchwarz/SMB100A.py
new file mode 100644
index 000000000..49e97eff1
--- /dev/null
+++ b/qcodes_contrib_drivers/drivers/RohdeSchwarz/SMB100A.py
@@ -0,0 +1,183 @@
+# -*- coding: utf-8 -*-
+"""QCoDeS-Driver for Rohde & Schwartz SMB100A microwave signal generator:
+https://www.rohde-schwarz.com/us/products/test-and-measurement/analog-signal-generators/rs-smb100a-microwave-signal-generator_63493-9379.html
+
+Authors:
+    Julien Barrier <julien@julienbarrier.eu>, 2023
+"""
+import logging
+from typing import Any
+
+from qcodes.instrument import VisaInstrument
+from qcodes.parameters import Parameter, create_on_off_val_mapping
+from qcodes import validators as vals
+
+log = logging.getLogger(__name__)
+
+
+class RohdeSchwarz_SMB100A(VisaInstrument):
+    """
+    Class to represent a Rohde & Schwartz SMB100A microwave signal generator
+
+    status: beta-version
+
+    Args:
+        name: name for the instrument
+        address: Visa resource name to connect
+    """
+    def __init__(self, name: str, address: str, **kwargs: Any) -> None:
+        super().__init__(name, address, terminator='\n', **kwargs)
+
+        self.frequency = Parameter(
+            'frequency',
+            label='Frequency',
+            unit='Hz',
+            get_cmd='SOUR:FREQ?',
+            set_cmd='SOUR:FREQ {:.2f}',
+            get_parser=float,
+            vals=vals.Numbers(1e5, 20e9),
+            instrument=self
+        )
+
+        self.phase = Parameter(
+            'phase',
+            label='Phase',
+            unit='deg',
+            get_cmd='SOUR:PHAS?',
+            set_cmd='SOUR:PHAS {:.2f}',
+            get_parser=float,
+            vals=vals.Numbers(0, 360),
+            instrument=self
+        )
+
+        self.power = Parameter(
+            'power',
+            label='Power',
+            unit='dBm',
+            get_cmd='SOUR:POW?',
+            set_cmd='SOUR:POW {:.2f}',
+            get_parser=float,
+            vals=vals.Numbers(-120, 30),
+            instrument=self
+        )
+
+        self.status = Parameter(
+            'status',
+            label='RF Output',
+            get_cmd=':OUTP:STAT?',
+            set_cmd=':OUTP:STAT {}',
+            val_mapping=create_on_off_val_mapping(on_val='1', off_val='0'),
+            vals=vals.Ints(0, 1),
+            instrument=self
+        )
+
+        self.pulsemod_state = Parameter(
+            'pulsemod_state',
+            label='Pulse Modulation',
+            get_cmd=':SOUR:PULM:STAT?',
+            set_cmd=':SOUR:PULM:STAT {}',
+            val_mapping=create_on_off_val_mapping(on_val='1', off_val='0'),
+            vals=vals.Ints(0, 1),
+            instrument=self
+        )
+
+        self.sweep_freq_start = Parameter(
+            'sweep_freq_start',
+            label='Sweep: start frequency',
+            unit='Hz',
+            get_cmd='FREQ:START?',
+            set_cmd='FREQ:START {:.12f} Hz',
+            get_parser=float,
+            vals=vals.Numbers(100e3, 20e9),
+            instrument=self
+        )
+
+        self.sweep_freq_stop = Parameter(
+            'sweep_freq_stop',
+            label='Sweep: stop frequency',
+            unit='Hz',
+            get_cmd='FREQ:STOP?',
+            set_cmd='FREQ:STOP {:.12f} Hz',
+            get_parser=float,
+            vals=vals.Numbers(100e3, 20e9),
+            instrument=self
+        )
+
+        self.sweep_step = Parameter(
+            'sweep_stop',
+            label='Sweep: frequency step',
+            unit='Hz',
+            get_cmd='SWE:STEP?',
+            set_cmd='SWE:STEP {:.12f} Hz',
+            get_parser=float,
+            vals=vals.Numbers(100e3, 20e9),
+            instrument=self
+        )
+
+        self.sweep_points = Parameter(
+            'sweep_points',
+            label='Sweep: frequency points',
+            unit='',
+            get_cmd='SWE:POIN?',
+            set_cmd='SWE:POIN {:.12f}',
+            get_parser=int,
+            vals=vals.Numbers(2, 20e9),
+            instrument=self
+        )
+
+        self.sweep_dwell_time = Parameter(
+            'sweep_dwell_time',
+            label='Sweep: dwell time',
+            unit='s',
+            get_cmd='SWE:DWEL?',
+            set_cmd='SWE:DWEL {:.12f} s',
+            get_parser=float,
+            vals=vals.Numbers(5e-3, 1000),
+            instrument=self
+        )
+
+        self.sourcemode = Parameter(
+            'sourcemode',
+            label='Source mode',
+            get_cmd='SOUR:FREQ:MODE?',
+            set_cmd='SOUR:FREQ:MODE {}',
+            val_mapping={
+                'CW': 'CW',
+                'sweep': 'SWE'},
+            vals=vals.Enum('CW', 'SWE'),
+            instrument=self
+        )
+
+        self.sweepmode = Parameter(
+            'sweepmode',
+            label='Frequency sweep mode',
+            get_cmd='TRIG:FSW:SOUR?',
+            set_cmd='TRIG:FSW:SOUR {}',
+            val_mapping={
+                'auto': 'AUTO',
+                'single': 'SING'},
+            vals=vals.Enum('AUTO', 'SING'),
+            instrument=self
+        )
+
+        self.connect_message()
+
+    def reset(self) -> None:
+        self.log.info('Reset')
+        self.write('*RST')
+
+    def run_self_tests(self) -> None:
+        self.log.info('Initiate self-test of the instrument.')
+        self.write('*TST?')
+
+    def on(self) -> None:
+        self.log.info('Output on')
+        self.status('on')
+
+    def off(self) -> None:
+        self.log.info('Output off')
+        self.status('off')
+
+    def start_sweep(self) -> None:
+        self.log.info('Start sweep (generate manual trigger signal)')
+        self.write('*TRG')