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35 GHz Negative Slope Equalizers

Broadband Amplitude Equalization - Precision, Stability, and Durability from 3 GHz to 35 GHz.

Spectrum Control’s EQ3009 series provides passive cable loss compensation from 3 to 35 GHz. Its negative slope response applies more attenuation at lower frequencies and less at higher frequencies, helping offset losses that increase across a microwave signal path. The result is a flatter combined response and more consistent signal levels in communications, radar, aerospace, and RF test applications.

Available with 10 dB or 15 dB delta slopes, the EQ3009 series lets designers select the level of correction that best matches their measured response. Each compact, bidirectional unit features 2.9 mm male and female connectors, a maximum insertion loss of 2.0 dB at 35 GHz, and an operating temperature range of -54°C to +125°C.

How it Works

As cable attenuation increases with frequency, the EQ3007 introduces a complementary negative slope attenuation profile that offsets cable loss. The combined response produces more consistent signal levels across the operating band, helping maintain system performance through 26.5 GHz.

Why it Matters

Cable losses become increasingly significant at higher microwave frequencies, where even small variations can affect overall system performance. The EQ3007 provides passive cable loss compensation to improve gain flatness and preserve signal integrity in demanding high-frequency applications.

Understanding the Response

  • Cable Loss: Attenuation increases with frequency across the operating band.
  • Negative Slope Equalizer: Complementary attenuation offsets cable-induced signal loss.
  • Equalized Response: Combined response delivers improved gain flatness and amplitude consistency through 26.5 GHz.

Typical Slope for EQ3007-20

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EQ3007 at a Glance

check mark.png Broadband operation through 26.5 GHz

check mark.png Precision negative slope equalization

check mark.png System frequency response is flatter

check mark.png Passive operation with no external power

check mark.png Passive, maintenance-free operation

Model
 
Delta Slope (dB)
 
Freq. Range (GHz)
 
Max. Power (Watts)
 
Connector Type

Configuration
High Frequency Equalization
EQ3007-10 10 5-26.5 1 2.9mm Male/Female
EQ3007-15 15 5-26.5 1 2.9mm Male/Female
EQ3007-20 20 5-26.5 1 2.9mm Male/Female
 
*Click on the model for part numbers and datasheets.

Typical Applications

  • K-band and microwave communications
  • Radar and electronic warfare systems
  • RF and microwave test equipment
  • SATCOM and aerospace platforms
  • Broadband signal conditioning
  • High-frequency cable assemblies
  • System gain equalization
  • Microwave subsystem integration

Why Choose Spectrum Control?

  • Extends cable loss compensation to 26.5 GHz
  • Compensates for frequency-dependent cable loss
  • Overall system frequency response is flatter
  • Passive operation with no external power
  • Low insertion loss and excellent VSWR
  • Precision negative slope equalization
  • Compact SMA coaxial package
  • Custom equalization solutions available

Need a Custom Equalizer?

Tell us about your equalizer requirements, and our team will help identify the right solution.