American Microwave Corporation
7309-A Grove Road
Frederick, MD 21704


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978


AMC Model LVDN-0518-50 is a 0.5 to 18
GHz, Truly DC Coupled 40/45 dB Detector
Log Video Amplifier (DLVA) Constructed Using State-of-the-Art
MIC/MMIC Technology.
It has RF Input Noise/CW Immune Circuitry Built for System
Noise Cancellation.


 Frequency Range

0.5 – 18 GHz

 Frequency Flatness

±1.0 dB Maximum


-42 dBm Minimum

 Logging Range

-40 to 0 dBm Minimum

 Useful Range

-40 to +5 dBm

 Log Error

±0.5 dB

 Log Slope

50 mV/dB or as Desired

 Log Slope Accuracy

±4% of Average Slope, Maximum

 Log Temperature Stability

±1.0 dB Maximum (54ºC
to +85

 Baseline Stability

±1.0 dB Maximum (54ºC
to +85

 Rise Time

20 nS Maximum

 Recovery Time

150 nS Typical, 300 nS Maximum

 Settling Time

45 nS Maximum


3:1 Maximum

 Video Load

50 Ohm Typical, or as Desired

 Video Source Impedance

50 Ohm Typical, or as Desired

 Video Output Range

0 to 2.5 Volts

 Pulse Width to CW

50 nS

 DC Power (No Load)

±9V to ±18V @ 75 mA Maximum


2.3″ X 2.3″ X 0.45″


Available Options:


Self or Externally Biased Noise/CW Immunity


Extended Frequency Range of
0.2 to 20 GHz


Extended Dynamic Range


Faster Rise and Recovery Times


High CW/Pulsed RF Power Protection


Alternate Log Slopes

Environmental Ratings:

Our standard
environmental ratings are as follows, for specific
requirements please contact us…

 -54 ºC to +85
ºC Operating
ºC to +100 ºC Non-Operating
 Humidity:  MIL-STD-202F,
Method 103B Cond. B
 Shock:  MIL-STD-202F,
Method 213B Cond. B
 Vibration:  MIL-STD-202F,
Method 204D Cond. B
 Altitude:  MIL-STD-202F,
Method 105C Cond. B

 Temperature Cycle:
Method 107D Cond. A


Outline Drawing:

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Test Report:

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Test Data:

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