Model: DLVA-500M18G-50


PMI Model DLVA-500M18G-70 is a 50 dB Detector Log Video Amplifier designed to operate over the 500 MHz to 18.0 GHz frequency range.  This model employs planar diode detectors and integrated video circuitry for high speed performance and outstanding reliability.  It is of superior construction using state-of-the-art MIC/MMIC technology.  The log slope of this DLVA is 70 mV/dB and has a log linearity error of less than ±0.5 dB.  The logging range is -40 to +5 dBm with a maximum rise time of 25 ns, maximum settling time of 45nsec and a recovery time of 300 ns typical.  The unit is offered in a small, compact housing that measures only 2.2" x 1.5" x 0.4"

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Product Feature

Test Report

Unit Data



Frequency Range 0.5 to 18.0 GHz
Frequency Flatness ±1.0 dB Max. - Measured 1.4 dB
Logging Range -40 dBm to +5 dBm
Log Linearity Error

±1.0 dB typ.
Measured +1.37 dB/ -1.13 dB

Log Slope 70 mV/dB - Measured 66 mV/dB
Log Slope Accuracy ±1.5 dB typ.
Measured +2.08 dB/ -2.44 dB
Pulse Range 50 ns to CW
Rise Time 25 ns typ. - Measured 12 ns
Recovery Time 300 ns typ. - Measured 132 ns
DC Voltage +15 V @ 100 mA - Measured 44 mA
-15 V @ 100 mA - Measured 43 mA
Size 2.20" x 1.50" x 0.40"
Finish Gold Plated

Environmental Ratings:

Temperature:  -54 ºC to +85 ºC Operating
 -65 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:  MIL-STD-202F, Method 107D Cond. A