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RTLX-4 Series Logarithmic Hybrid Amplifiers

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The RTLX-4 series is a premium version of RTI's standard RTL-4 series for use in systems where logarithmic accuracy is critical. All the key features which have made the RTL-4 series an industry standard - size, reliability, and performance - have been combined with a typical log accuracy of less than 0.3dB to produce the RTLX-4.

Design Note: Radar Technology can customize any of our products to meet your individual system requirements. RTI also offers many Form, Fit, Function replacements to old RHG Electronics Amplifiers.


  • 80dB Dynamic Range
  • ± 0.5 dB Linearity
    (add ±0.5 dB over Temperature)
  • DC Coupled Video
  • Built-in Voltage Regulation
  • Excellent Pulse Response
General Specifications
Linearity ±0.5 dB (add ±0.5 dB over Temperature)
(-30°C to +71°C)
Sensitivity 25mV/dB (typ)
Source Impedance 50 Ohms
Video Load Impedance 93 Ohms
Power Requirements ± 15 VDC
Connectors SMA

Optional Specifications
Limited IF Output 0 dBm (add suffix B)
or 10 dBm (add suffix B+)
Power Supplies ±12VDC (add suffix C)
Matched Set 2,3 units/set (add suffix M)

RTLX-4 Specification Table
Model Center Frequency (MHz) Bandwidth (MHz) Rise Time (uS) Dynamic Range (dB) Input Power (dBm)
RTLX-4-10031030.580-80 to 0
RTLX-4-30023020.580-80 to 0
RTLX-4-30043040.2580-80 to 0
RTLX-4-30103040.180-80 to 0
RTLX-4-451045100.180-80 to 0
RTLX-4-601060100.180-80 to 0
RTLX-4-602060200.0580-80 to 0
RTLX-4-701070100.180-80 to 0
RTLX-4-702070200.0580-80 to 0
RTLX-4-12020120200.0570-70 to 0
RTLX-4-12040120400.0370-70 to 0
RTLX-4-16020160200.0570-70 to 0
RTLX-4-16030160300.0470-70 to 0
RTLX-4-16040160400.0370-70 to 0