SFS-Pro Series Ultra-Low Phase Noise Microwave Signal Generator

Saluki SFS-Pro series ultra-low phase noise microwave signal generator is an ultra-low phase noise, high-power microwave signal source. The product frequency covers from 5kHz to 3, 6, 12, 24, 40, 45 and 67GHz, and the frequency resolution can be Up to 0.001Hz, and has narrow pulse modulation function, the minimum pulse width is 50ns. This product has industry-leading ultra-low phase noise indicators: <-132dBc/Hz (@10GHz, 10kHz offset, typical value). It is suitable for applications that require extremely pure RF signals and can excellently complete semiconductor, radar, quantum, and satellite communications. , wireless communications and other fields of demanding component, module and system testing tasks. The product can realize multi-channel coherent signal output. The frequency and power of each channel can be independently adjusted or linked together. It can also support dual-tone signal output, which can meet the testing needs of different users and make testing easier.

The SFS-Pro series of ultra-low phase noise microwave signal sources has excellent performance in applications requiring excellent phase noise, large dynamic and stable output power, and multi-channel synchronization. It is a low-noise, pure microwave signal source that can be used as a crystal oscillator.

Applications: ADC, DAC Test/Local Oscillator Replacement/Receiver Test/ATE Test/Base Atation Test/Measurement Calibration

Features of SFS-Pro series ultra-low phase noise microwave signal generator:

Ultra-low phase noise: <-132dBc/Hz (@10GHz, 10kHz offset, typical)

Maximum output power: ≥+20dBm (@20GHz, typical value)

Absolute level accuracy: ±0.5dB (@-20dBm~+20dBm)

Harmonic suppression: <-60dBc (@100MHz~2GHz)

Non-harmonic suppression: <-80dBc (@10GHz)

With narrow pulse modulation function, Minimum pulse width: 20ns

Multi-channel coherent output

Dual tone signal output

Highly integrated and compact

Code compatible, Easy to operate

  • Low phase noise, more accurate testing

    The SFS-Pro series ultra-low phase noise microwave signal source is the industry’s leading ultra-low phase noise microwave signal source. It has an extremely stable radio frequency signal, ultra-low phase noise, ultra-low harmonic and non-harmonic components, and a pure spectrum.

    · <-165dBc/Hz, @100MHz, 10MHz offset (typical value)

    · <-140dBc/Hz, @1GHz, 1kHz offset (typical value)

    · <-132dBc/Hz, @10GHz, 10kHz offset (typical value)

    · <-123dBc/Hz, @10GHz, 1kHz offset (typical value)

  • Accurate power, more stable testing

    The SFS-Pro series of ultra-low phase noise microwave signal sources has a large dynamic output power range and an absolute level accuracy of ±0.5dB. It can provide accurate signal output while maintaining high power and stable amplitude.

    · Maximum output power: ≥﹢20dBm (@20GHz)

    · Minimum output power: -120dBm (@40GHz)

    · Absolute level accuracy: <±0.5dB (@-20dBm~+20dBm)

  • Pure spectrum, more pure testing

    The output signal of the SFS-Pro series ultra-low phase noise microwave signal source has extremely low broadband noise, lower harmonics, and higher non-harmonic suppression, making the test more pure.

    · Non-harmonic suppression: <-80dBc (@10GHz)

    · Harmonic suppression: <-75dBc (@10MHz~1GHz) (measured with FSP-LFB002 harmonic enhancement suppression option)

  • Wide frequency, wider testing

    The SFS-Pro series ultra-low phase noise microwave signal source frequency covers from ultra-low 5kHz to ultra-high frequency output of 3GHz/6GHz/12GHz/24GHz/40GHz/45GHz/67GHz, with frequency resolution as low as 0.001Hz.

  • Widely compatible, easy to operate, and more efficient in testing

    The SFS-Pro series of ultra-low phase noise microwave signal sources are compatible with SCPI commands of mainstream model signal sources in the industry. The codes are compatible and eclectic, simplifying the development process and making programming easy. Supports VC++, C#, Python, MATLAB, and LabView programming and control, and the operation interface is simple and easy to use, making testing more efficient.

Frequency Range
single channel SFSP03A: 5kHz to 3GHz

SFSP06A: 5kHz to 6GHz

SFSP12A: 5kHz to 12GHz

SFSP24A: 5kHz to 24GHz

SFSP40A: 5kHz to 40GHz

SFSP45A: 5kHz to 45GHz

SFSP67A: 5kHz to 67GH

multi-channel 1-3 channels optional

(10MHz to 3GHz, 6GHz, 12GHz, 24GHz, 40GHz, 45GHz, 67GHz, each channel can be combined at will)

Isolation between channels


Frequency Resolution


Time base aging rate

After 30 days <±0.1ppb/day (nominal value)

<±1ppm/year (nominal value)

Phase Noise

<-165dBc/Hz, @100MHz, 10MHz offset (typical)

Harmonics(Option S1134P-LFB002)

•  1MHz≤f<10MHz: <-60dBc

•  10MHz≤f<200MHz: <-75dBc

•  200MHz≤f<1GHz: <-75dBc

•  1GHz≤f<20GHz: <-60dBc

•  20GHz≤f≤40GHz:<-55dBc

(Output Power: +10dBm)


• 5kHz≤f≤10MHz: <-65dBc

•  10MHz<f≤250MHz: <-85dBc

•  250MHz<f≤6GHz: <-85dBc

•  6GHz<f≤12GHz: <-81dBc

•  12GHz<f≤24GHz: <-75dBc

•  24GHz<f≤40GHz: <-70dBc

•  40GHz<f≤67GHz: <-65dBc

(Output Power: 0dBm, 3 kHz offset)


•   Internal reference frequency stability: ±2e-8  0°C to +50°C

•   External reference input power: +5±3dBm

•   Internal reference output power: +10±3dBm, 50Ω Load

Output Power

Maximum output power:

•   10MHz to 20GHz: ≥+15dBm

•   20GHz to 40GHz: ≥+13dBm

•   40GHz to 50GHz: ≥+10dBm

•   50GHz to 67GHz: ≥+7dBm

Minimum output power:

•   -120dBm/-90dBm


•   ≤2GHz: <1.40:1

•   2GHz to 24GHz: <1.50:1

•   24GHz to 40GHz: <1.60:1

•   40GHz to 67GHz: <2.0:1


2U: 88mm (H) * 320mm (W) * 400mm (D)

2U: 88mm (H) * 483mm (W) * 559mm (D) (each channel of dual or three channels is below 24GHz)

3U: 134mm (H) * 483mm (W) * 559mm (D) (three channels,  output is higher than 24GHz)



Single Channel ≤10kg

Dual Channel ≤16kg

Three Channels ≤20kg

Program control port
LAN RJ45 connector, LAN connector provides remote control function
RS422 DB9 connector, serial communication interface, providing remote control function
GPIB(optional) Standard GPIB interface, providing remote control function
Input and Output
Debugging interface DEBUG DB15 connector, providing power calibration and firmware update functions through a dedicated connector
External trigger input TRIG IN BNC-K connector, sweep or modulation trigger input interface, 3.3V-COMS logic level, input high impedance
Internal trigger output TRIG OUT BNC-K connector, sync pulse trigger output
External 10MHz reference input REF 10MHz IN BNC-K connector, receives 10MHz reference signal, used for internal time base required for frequency locking, rated input power is +2 to +8dBm, impedance is 50Ω, sine wave or square wave
Internal 10MHz reference output REF 10MHz OUT BNC-K connector, outputs 10MHz reference signal. Output power is +10±1dBm, output impedance is 50Ω
RF OUT 3.5mm(SLFSP12A/SLFSP24A),Output impedance 50Ω
2.92mm(SLFSP40A),Output impedance 50Ω
2.4mm(SLFSP45A),Output impedance 50Ω
1.85mm(SLFSP67A),Output impedance 50Ω
External pulse input PULSE IN BNC-K connector, input port for external modulation pulses, 3.3V-COMS logic level, input high impedance
Internal pulse output PULSE OUT BNC-K connector, outputs internally generated pulse signal, 3.3V-COMS logic level, output impedance is low resistance

(Note: see more detail information in the ‘Resource’ – ‘Datasheet’)

Ordering Information

Module No. Item Description
SFSP03A Single Channel 10 MHz to 3 GHz
SFSP06A Single Channel 10 MHz to 6 GHz
SFSP12A Single Channel 10 MHz to 12 GHz
SFSP24A Single Channel 10 MHz to 24 GHz
SFSP40A Single Channel 10 MHz to 40 GHz
SFSP45A Single Channel 10 MHz to 45GHz
SFSP67A Single Channel 10 MHz to 67 GHz
SFSP24D Dual Channel /
SFSP420D Dual Channel /
SFSP40D Dual Channel /
SFSP24T Three Channels /
SFSP4220T Three Channels /
SFSP4420T Three Channels /
SFSP40T Three Channels /


Module No. Item Description
SLF1 Low frequency output 5kHz-10MHz low frequency output
SLF2 Low frequency output 1MHz-10MHz low frequency output
SULN002 Low frequency ultra-low phase noise option /
SHP002 High power output option /
SLFB002 Harmonic enhancement suppression option /
SPUL001 Pulse modulation option /

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