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Model SLSM: Single Loop Configuration

Features

  • Frequencies up to 32 GHz

  • Wide frequency range per unit (up to octave bands)

  • Frequency steps 1 kHz (typical)

  • Good phase noise

  • Good spectral purity

  • Frequency control SPI or Serial RS485

  • Internal or external frequency reference

  • Small size

  • Low cost

 

 

Model: SLSM3 / SLSM5

Description

The Luff SLSM models are advanced technology single phase-locked loop frequency synthesizer designs.  These are self contained system level components.  These units offer excellent performance for many applications.

In this basic architecture, a tradeoff between frequency resolution and phase noise performance needs to be made.  These units are packaged in a miniature connectorized housing.  The designs offer flexibility and easy customization for your specific requirement.

Block Diagram

 

Model SLSM Key Specifications

Model:

SLSM3

SLSM5

Output Frequency:

 

up to 16 GHz fundamental

and to 32 GHz with X2 multiplier

up to 16 GHz fundamental

and to 32 GHz with X2 multiplier

Output Resolution:

>0.5 MHz @ 10 GHz (typical)

1 kHz (typical)

Spurious:

-60 dBc (min.)

-60 dBc

Harmonics (typical):

-20 dBc

-20 dBc

Output Power (min.):

+13 dBm

+13 dBm

Output Power Variation:

3 dB

3 dB

External Reference:

or

10 MHz (typical)

0 dBm 3 dB

10 MHz (typical)

0 dBm 3 dB

Internal Reference:

0.5 PPM (-10C to +70C)

0.5 PPM (-10C to +70C)

Frequency Control: 

SPI or Serial RS485

Serial RS485 

Alarm:

Open Collector or TTL 

Open Collector or TTL

Power Requirements:

+5.5 Vdc 0.5V

+5.5 Vdc 0.5V

Size:

2.50" x 2.50" x 0.63"

2.50" x 2.50" x 0.63"

Samples Product Data Sheets

    1 to 2 GHz in 1 MHz steps, SPI Interface, Int. Ref.

      Model: SLSM3-12-1M-INT-SPI

    1 to 4 GHz in 1 kHz steps

      Model: SLSM5-14

    4 to 8 GHz in 1 kHz steps

      Model: SLSM5-48

    8 to 12 GHz in 1 kHz steps

      Model: SLSM5-812

    25 to 27 GHz in 1 kHz steps

      Model: SLSM5-2527

 

Interface Definition

   SLSM5 Interface Definition