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


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978


AMC Model No.: LVD-218-40/45 is a Detector Log Video Amplifier
designed to operate
the full 2-18 GHz Bandwidth, with True DC-Coupling. Units
Employ Planar Diode Detectors
and Integrated Video Circuitry for High Speed Performance
and Outstanding Reliability.
The DLVA’s are of Superior Construction using
State-of-the-Art MIC/MMIC Technology.


 Truly DC Coupled

 Wide Bandwidths

 Fast Rise Times

 Short Recovery Times

 Superior Accuracy

 Extended Dynamic Range Capability

 Miniature Size

 1.75 Ounces Weight


 Frequency Range

2 to 18 GHz

 Frequency Flatness

±1.5 dB Maximum

 Logging Range

-40 to -0 dBm Minimum

 Useful Range

-40 to +5 dBm

 Log Linearity Error

±0.5 dB Typical (Room
±1.0 dB Average

 Log Slope

50 mV/dB

 Log Slope Accuracy

±4% of Average Slope

 Temperature Stability

±1.0 dB Maximum

 Pulse Response

50 nS to CW

 Rise Time

20 nS Maximum

 Settling Time

45 nS Maximum

 Recovery Time

150 nS Typical, 300 nS Maximum


-40 dBm Typical


3.0:1 Maximum

 Maximum RF Input

+15 dBm

 Video Output Level

0 to 2.5 Volts Typical (50 Minimum Load)

 DC Power

+12V @ 75 mA Maximum
-12V @ 75 mA Maximum


2.2″ x 1.5″ x 0.4″

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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Product Feature:

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Test Data:

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