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Add Agilent33600a Arb waveform upload #112

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Add Agilent33600a Arb waveform upload #112

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9cdabd5
Added Agilent 33600A waveform upload support
DanielTreuherz Dec 16, 2025
4a51c44
Added Agilent 33600A AWG driver
DanielTreuherz Dec 16, 2025
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2 changes: 1 addition & 1 deletion pylablib/devices/AWG/__init__.py
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
from .generic import GenericAWG, GenericAWGError
from .specific import InstekAFG2000, RSInstekAFG21000, InstekAFG2225, TektronixAFG1000, Agilent33500, Agilent33220A, RigolDG1000, RigolDG1020Z
from .specific import InstekAFG2000, RSInstekAFG21000, InstekAFG2225, TektronixAFG1000, Agilent33500, Agilent33220A, Agilent33600A, RigolDG1000, RigolDG1020Z
62 changes: 62 additions & 0 deletions pylablib/devices/AWG/specific.py
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Expand Up @@ -21,7 +21,69 @@ class Agilent33220A(GenericAWG):
"""
pass

from numpy import asarray, float32
class Agilent33600A(GenericAWG):
"""
Minimal driver wrapper for Keysight/Agilent 33600A series AWGs.

Args:
addr: VISA address of the instrument.
channels_number: number of channels; default is 2.
"""

def __init__(self, addr, channels_number=2):
self._channels_number = channels_number
super().__init__(addr)

# Access the raw PyVISA instrument
visa_instr = self.instr.instr
visa_instr.timeout = 20_000 # ms
visa_instr.chunk_size = 4 * 1024 * 1024 # 4 MB safe value

def upload_custom_waveform(self, name, waveform, channel):
"""
Upload a custom waveform to the specified channel.

Args:
name (str): Name to assign to the waveform in the AWG.
waveform (array-like): Waveform data as float32 values in [-1, 1].
channel (int, optional): Channel number. Default is 1.
"""
waveform = asarray(waveform, dtype=float32)
payload = waveform.tobytes()

visa_instr = self.instr.instr

# 1. Setup
self.write("DISP:TEXT 'Uploading ARB'")
self.write("FORM:BORD SWAP")
self.write(f"SOUR{channel}:DATA:VOL:CLE")

# 2. Manual binary upload
byte_count = len(payload)
len_str = str(byte_count)
header = f"#{len(len_str)}{len_str}".encode("ascii")

cmd = f"SOUR{channel}:DATA:ARB {name},".encode("ascii")
message = cmd + header + payload + b"\n"

visa_instr.write_raw(message)
self.write("*WAI")

# 3. Configure waveform
self.write(f"SOUR{channel}:FUNC:ARB {name}")
self.write("DISP:TEXT ''")

def set_sample_rate(self, sample_rate, channel):
"""
Set the sample rate for a specified channel.

Args:
sample_rate (float): Sample rate in Sa/s.
channel (int, optional): Channel number. Default is 1.
"""
self.write("*WAI")
self.write(f"SOUR{channel}:FUNC:ARB:SRAT {sample_rate}")



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