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


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978

LVD-218-50A (Option ASI052)

LVD-218 Series DLVA’s Are Available in Standard 50 dB and
Extended 70/75 dB
Dynamic Range Over 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.  


 Frequency Range

0.5 – 2.0 GHz

 Logging Range

-40 to 0 dBm

 Useful Range

-40 to +5 dBm

 Log Non-Linearity

±1.5 dB Maximum (Over Logging Range
and -54ºC
to +85

 Log Slope @ 93 Ohm Load

100 mV/dB

 Log Slope Accuracy

±4% of Average Slope

 Amplitude Variation

±1.5 dB Maximum (Over -54ºC
to +85
ºC and Logging
Range at any Single Frequency)

 Rise Time (10% to 90% Points)

35 nS Maximum

 Recovery Time

±1.0 uS (Within ±1 dB of Baseline ≤0 dBm and ≤100 uS Input

 Baseline DC Offset

0 ±60 mV Maximum


-42 dBm Minimum (100 nS Pulse Width)
@ DC to 10 MHz Nominal Video Bandwidth

 VSWR (RF) @ -23 dBm

2.5:1 Maximum

 Video Output Level

0 – 5.0 Volts (50 Ohm Minimum Load)

 DC Power (No Load)

+V: 12 to 15V @ 100 mA Maximum
– V: 12 to 15V @ 100 mA Maximum


2.75″ X 1.50″ X 0.50″

Available Options:


0.2 – 20 GHz RF Frequency Range


Extended 0.5 – 18 GHz RF Frequency Range


Faster Rise/Recovery Times


Alternate Log Slopes


High Power RF CW/Peak Protection


Extended Logging Range


Other Video Loads


±1.0 dB Log Linearity


±1.0 dB Frequency Flatness


250 nS Typical, 350 nS Maximum

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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LVD-218-50A (Option ASI052)


Product Feature:

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LVD-218-50A (Option ASI052)


Test Report:

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LVD-218-50A (Option ASI052)


Test Data:

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LVD-218-50A (Option ASI052)