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BK Precision 4085
40 MHz Programmable DDS Function Generator

  • Frequency range of 1µHz to 40MHz for sine and square
    Clean and stable output of very small signals down to the 1mV to 10mV range (50 ohm)
  • Support of internal and external modulation sources as well as internal, external and gated trigger sources
  • Convenient data input via numeric keypad or knob.
  • Adjust modulation parameters precisely and over a wide range
  • Fully programmable via the standard RS232 interface using SCPI compatible commands.
  • 100 MHz Universal Counter with frequency measurement and totalize function
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BK Precision 4085 Shown
Product Information
Datasheet 135 KB
4085 Movie
Manual 1.3 MB
PDF Help
The BK Precision Model 4085 is a versatile, laboratory grade synthesized function generator. Direct digital synthesis (DDS) techniques are used to create stable, accurate output signals for all 27 built-in standard and complex (arbitrary) waveforms. The generator produces high purity, low distortion sine waves and provides a full suite of analog modulation capabilities including AM, FM, FSK, PSK, pulse modulation, burst mode and linear/logarithmic sweep combined with multiple trigger modes. The Model 4085’s versatility and capabilities make it an ideal tool for many general-purpose test and bench applications or for use in Training and Education.
Ordering Information
Model Description Buy Online Price
4085 BK Precision 4085 40 MHz Programmable DDS Function Generator w/ RS232 interface Buy Now Sale $1,005.95
(Reg. $1,150.00)
European Model (220V Version)
4085-EXD BK Precision 4085-EXD 40 MHz Programmable DDS Function Generator w/ RS232 interface (220V Ver.) Buy Now Sale $1,005.95
(Reg. $1,150.00)
Included Accessories
  • 1 - BNC to Alligator Cable
  • 1 - BNC to BNC Cable
  • 1 - RS232 communication cable
  • 1 - Power line cord
  • 1 - Spare Fuse
  • 1 - Instruction Manual
Optional Accessories
CC150 BK Precision CC 150, BNC to BNC, RG/58U, 48" Discontinued
CC155 BK Precision CC 155, BNC to BNC, RG/58U, 60" Discontinued
TLFG BK Precision TLFG Function Generator Test Leads Set Buy Now Sale $70.95
(Reg. $82.00)