APMS-ULN Models - Multi-Channel Signal Generators up to 40 GHz

300 kHz to 6, 12, 20, 33 or 40 GHz Phase Coherent 2, 3 or 4 Channel Signal Generators

The APMS models are phase-coherent, multi-output, ultra-fast switching, and low phase noise signal generators with a frequency range from 300 kHz to 6, 12, 20, 33 or 40 GHz. They are ideally suited for a wide range of applications where good signal quality, accurate signal level and wide output power range are required. Excellent phase noise is combined with good spurious and harmonic rejection and a leading-edge switching speed of 25 μs with option FS.

The APMS multi-channel signal generator series offers up to 4 phase-coherent, ultra-fast switching and very low phase noise signal sources in a single unit. The frequency ranges from 300 kHz up to 6, 12, 20, 33 or 40 GHz. The output power ranges from -80 dBm to +25 dBm. Channels can be independently programmed in frequency, phase and amplitude. Pulse modulation capability is included on all units, while amplitude, frequency and phase modulation capability can be added optionally.

Excellent phase noise is combined with good spurious and harmonic rejection and a leading-edge switching speed of 25 μs with option FS. A high-stability OCXO reference provides excellent frequency accuracy and stability.

The generators accept external reference signals of 10 MHz, 100 MHz (optionally 1 to 250 MHz) and a higher frequency clock of 3 GHz allowing outstanding phase stability between channels of different units. Option VREF, extends the external reference capability to accepting 1 MHz to 250 MHz signals.

The unique phase coherent switching option adds the following feature:

  • Phase coherent switching – The phase relationship between 2 channels is deterministic
  • Phase memory – After a channel switches back to a previous frequency, it behaves as if it had been continuously running at that frequency.

The APMS series is ideally suited for a wide range of applications where good signal quality, accurate signal level and wide output power range are required. It has proven track record in fields such as quantum computing, radar simulation and satellite testing.

The APMS generators come in a standard 19“ 1U enclosure and offer USB and LAN control interfaces as well as the optional GPIB interface. Each interface allows for easy and fast communication using the SCPI 1999 command set. Remote control of the instrument can be quickly attained from any host system. A customer-supplied application programming interface (API) and programming examples for Matlab, Labview, C++ and other commercially available tools make test implementation very straightforward.

# of channels

2, 3, 4

Frequency Range

300 kHz to 6, 12, 20, 33 or 40 GHz

Frequency Resolution

0.001 Hz

Power Range

-20 to +25 dBm, -80 to +25 dBm (with option PE4)

Switching Speed

500 µs (25 µs with option FS)

Phase Noise At 1 GHz: at 10 Hz

-87 dBc/Hz (-100 dBc/Hz with option LN)

Phase Noise At 1 GHz: at 1 kHz

-130 dBc/Hz

Phase Noise At 1 GHz: at 20 kHz

-145 dBc/Hz

Phase Noise At 1 GHz: at 100 kHz

-150 dBc/Hz

Remote Control

Ethernet, GPIB (SCPI v1990), USB

Modulation

AM, FM, PM, Pulse

Sweeps

Frequency, List, Phase, Power

Dimensions (W x L x H), Weight

19‘‘ 1HE enclosure: 426 x 460 x 43 mm [16.8 x 18.1 x 1.7 in], 10 kg

Features

• Very Low phase noise
• Fast switching
• Phase coherent switching option
• 2 to 4 phase coherent outputs

Applications

• Radar simulation
• Quantum computing
• High volume automated testing
• Phased array antenna / beamforming
• Electronic warfare

Options

 

LN Enhanced close in phase noise & frequency stability
PHS Phase coherent switching
FS Ultra-fast switching speed
VREF Flexible external reference frequency support in range 1 to 250MHz
MOD Add Amplitude, Frequency, Phase modulation capability
FLASH MicroSD card slot for removable SD memory
PE4-12 Electrical step attenuator (6 & 12 GHz version)
PE4-20  Electrical step attenuator (20 GHz version)
PE4-40 Electrical step attenuator (33 GHz & 40 GHz version)
GPIB GPIB interface
HI High isolation 19″ 1HU casing
WE One year warranty extension (standard: 2 years)
ReCal Recalibration with test data (recommended: 2 years interval)
APMS06G-2-ULN 2-channel 300 kHz to 6 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS06G-3-ULN 3-channel 300 kHz to 6 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS06G-4-ULN 4-channel 300 kHz to 6 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS12G-2-ULN 2-channel 300 kHz to 12 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS12G-3-ULN 3-channel 300 kHz to 12 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS12G-4-ULN 4-channel 300 kHz to 12 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS20G-2-ULN 2-channel 300 kHz to 20 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS20G-3-ULN 3-channel 300 kHz to 20 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS20G-4-ULN 4-channel 300 kHz to 20 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS33G-2-ULN 2-channel 300 kHz to 33 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS33G-3-ULN 3-channel 300 kHz to 33 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS33G-4-ULN 4-channel 300 kHz to 33 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS40G-2-ULN 2-channel 300 kHz to 40 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS40G-3-ULN 3-channel 300 kHz to 40 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module
APMS40G-4-ULN 4-channel 300 kHz to 40 GHz ultra-low phase noise, fast switching signal generator, 19″ 1HU rack-mount module

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