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


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978


AMC Model TDLVA-0518-50 has 30/35 dB
Logging Dynamic Range with Threshold
Detection Capability.  Video Output Below Threshold is
Within ±20 mV DC and with
a Noise Level of Under 25 mV RMS.  Logging Above
Threshold is Instantaneous
With a Dynamic Range of 30/35 dB Minimum.  Different
Threshold Levels From -35 dBm
to -10 dBm are Available with a Typical Input VSWR of 1.5:1. 
Log Linearity Above
Threshold is ±0.5 dB (-55
to +85
ºC) with

±1.0 dB Log
Stability.  AMC’s TDLVA’s

Pulse Response from 50 nS to CW and with Rise Times of 20 nS
and Recovery Times
of Under 50 nS.  Frequency Range is 0.5 to 18 GHz, with
Flatness of ±1.0 dB Typical.
Size of the Unit is 2.2″ x 1.5″ x 0.4″.


 Frequency Range

0.5 – 18 GHz

 Frequency Flatness

±1.0 dB Maximum


-35 dBm ±1.0 dB Tolerance (Over Temperature ±1.5 dB)

 Logging Range

-35 to 0 dBm (Nominal)

 Useful Range

-35 to +5 dBm

 Log Linearity Error

±0.5 dB Maximum

 Log Slope

50 mV/dB

 Log Slope Accuracy

±4% of Average Slope

 Log Temperature Stability

±1.0 dB Maximum (-54
to +85ºC)

 Pulse Response

50 nS to CW

 Rise Time

20 nS Maximum

 Settling Time

45 nS Maximum

 Recovery Time

50 nS Maximum


2:1 Maximum

 Video Output

DC: ±20 mV Maximum (Below Threshold)
AC: 25 mV RMS Maximum (Below Threshold)

 Video Load

50 Ohm Minimum

 Maximum RF Input

+15 dBm

 DC Power (No Load)

+V: 9 to 18V @ 75 mA Maximum
– V: 9 to 18V @ 75 mA Maximum


2.2″ X 1.5″ X 0.4″


Available Options:


Alternate Threshold Levels -35 to -10 dBm


0.2 to 20 GHz RF Extended Frequency Range


Alternate Log Slope


High RF CW/Peak Power Protection

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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