APSYN140-X - up to 43.5 GHz

Multi-Channel 100 kHz to 43.5 GHz Wideband Synthesizer System

A 100 kHz to 43.5 GHz compact frequency synthesizer with settable output power from -10 to +25 dBm, outstanding phase noise performance and signal purity, and ultra-fast switching speed. The APSYN140-X is available in the compact flange-mount enclosure as well as in a 1U 19’’ rack-mountable chassis in single- or dual-channel configuration.

The modules have a mHz frequency resolution and use a high-stability internal reference. The internal reference can be phase-locked to a programmable external reference. The modules have USB and LAN and optionally GPIB interfaces and can be controlled using SCPI 1999 command set.

A 100 kHz to 43.5 GHz wideband frequency synthesizer with settable output power from -10 to +25 dBm, very low phase noise, low spurious, and ultra-fast switching speed. The APSYN140-X is available in the compact flange-mount enclosure as well as in a 1HU 19’’ rack-mountable chassis in multi-channel (1, 2, 3 or 4) configuration. Channels can be independently programmed in frequency, phase, and amplitude and are phase coherent. An option PHS enables phase coherent switching and guarantees exact phase repeatability.

The proprietary architecture of the APSYN140-X allows exact frequency synthesis with nano-Hz frequency resolution in combination with very fast switching (below <20 micro-seconds over the entire frequency output range). Fast frequency and list sweeps up to 65000 entries can be executed and externally triggered. Basic modulation capability such as pulse and phase modulation is also supported.

The wideband synthesizer uses a high-stability internal OCXO reference. The internal reference can be phase-locked to a programmable external reference.

The APSYN140-X can be supplied optionally with substantially enhanced harmonic rejection. At support output power, the harmonic rejection is typically better than -55 dBc.

The devices have USB and LAN and optionally GPIB interfaces and can be controlled using SCPI 1999 command set.

# of channels

1, 2, 3, 4

Frequency Range

100 kHz to 40 GHz

Frequency Resolution

0.001 Hz

Frequency Accuracy

0.1 ppm

Output Power

-10 to +25 dBm

Switching Speed

500 µs (20 µs with option FS)

Phase Noise At 1 GHz: at 1 kHz

-132 dBc/Hz

Phase Noise At 1 GHz: at 20 kHz

-145 dBc/Hz

Phase Noise At 1 GHz: at 10 MHz

-155 dBc/Hc

Remote Control

Ethernet, USB (SCPI v1999)

Modulation

Pulse

Sweeps

Frequency, List

Dimensions (W x L x H), Weight

430 x 460 x 43 mm [16.93 x 18.11 x 1.69 in], < 10 kg

Features

• Highly phase synchronous and phase coherent switching option
• Fast switching down to 20 µs
• Angular and pulse modulation (internal and external)
• Internal high stability OCXO, external programmable reference input

Applications

• Fast automated testing for components, subsystems
• LO for frequency converters
• Antenna scanning and beamforming

Options

LN Enhanced close in phase noise & frequency stability
FS Enhanced switching speed
VREF Variable external reference
GPIB GPIB interface
FILT Enhanced harmonic rejection
8K Frequency range extension to 8 kHz
WE One year warranty extension (standard: 2 years)
ReCal Recalibration with test data (recommended: two years interval)
APSYN140-1  Single-Output 40 GHz Synthesizer, 19″ 1HU rack-mount module
APSYN140-2 Dual-Output 40 GHz Synthesizer, 19″ 1HU rack-mount module
APSYN140-3 Triple-Output  40 GHz Synthesizer, 19″ 1HU rack-mount module
APSYN140-4 Quad-Output 40 GHz Synthesizer, 19″ 1HU rack-mount module

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