• Model 845-M
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The 845-M is a wideband low phase-noise synthesizer operating up to 20 GHz. The module has a mili-Hz frequency resolution and uses a high-stability internal reference. The internal reference can be phase-locked to a programmable external reference.

The module has a USB and LAN interface and can be controlled using SCPI 1999 command sets. This small module operates with an external 6V DC supply and includes BNC’s SigGen GUI software package.

20 ghz rf signal generator module

Overview

Features

  • Low phase noise
  • Fast switching
  • Wideband DC frequency modulation
  • Internal OCXO reference
  • Single 6V Supply

Applications

  • ATE
  • LO for frequency converters
  • Telecom / SatCom

Specifications

Key Specifications

Key Specifications

Parameter

Value

Notes

Frequency range

0.01 GHz to 20 GHz

 

Resolution

1 milli-Hz

 

Switching speed

Sweep

< 200 micro-seconds

< 1 micro-seconds per point

 

SSB Phase noise

  

at 1 kHz from carrier

-100 dBc/Hz

10 GHz carrier

at 20 kHz from carrier

-110 dBc/Hz

 

at 100 kHz from carrier

-112 dBc/Hz

 

Wideband noise

-155 dBc/Hz

 

Power level

16 dBm ± 3 dB

 

Output impedance

VSWR

50 Ohm

< 1.8

 

Spectral purity

output harmonics

non-harmonic spurious

 

< -15 dBc

< -75 dBc

 

Frequency Modulation

 

optional

Modulation rate

DC to 800 kHz

 

Maximum deviation

7 % of f

 

Distortion

0.1 %

fmod = 1 kHz & fdev = 10 MHz

Internal reference frequency

Lock to

Output

100 MHz

1 to 150 MHz

10 MHz, +3 dBm

Programmable

Temperature stability

±100 ppb

0 to 50 °C

DC Power

+ 6V, 2A max

 

Control Interface

LAN, USB, SCPI 1999 command set

 

Size (incl. connectors)

21 x 10.5 x 6 cm

 

Weight

< 1 kgs

 

Linecard

AttachmentSize
PDF icon RF Signal Generator Line Card1.53 MB
PDF icon Full RF Line Card2.32 MB

Datasheet

AttachmentSize
PDF icon Model 845-M Datasheet V87.43 MB

Technical resources

Software, firmware, and drivers

Price information

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