Model: SDLVA-218-71-70MV-1  


PMI Model No. SDLVA-218-71-70MV-1 is a CW immune SDLVA (Successive Detection Log Video Amplifier). This unit operates from 2.0 to 18.0GHz.  It has the ability to interface with a long cable (250 FT), while maintaining high speed, flatness and accuracy.

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Product Feature

Test Report

Unit Data





Frequency Range 2.0GHz to 18.0GHz
Frequency Flatness ±2.0 dB typ
Signal Capability Pulse (100nsec to 300usec), Pulse on CW
Peak Noise Voltage in Presence
of a CW Signal
400mV relative ground to max
Pulse Peak Amplitude Loss CW Level: -50dBm: No Loss, -40dBm: 1.5dB max
TSS: (-20C to +85C) -72dBm for 10MHz Video Bandwidth
Log Dynamic Range -66dBm to 5dBm
Log Slope 70mV/dB nominal
Log Linearity ±1.0dB max
Video Output Range -66dBm: 150~400mV, 250mV (Center)
DC Offset ±150mV typ
Noise Level 200mV Vp-p max, without RF
Log Accuracy From 70mV/dB ±2dB max at Frequency 2.0 to 18.0GHz
±1dB max at Center Frequency
Matching vs Frequency & Temperature ±2dB max for a set of 6 pieces @ 10GHz and 25°C
Output Rise Time 25ns max
Settling Time 55ns max, 10% Output to ±0.5dB of final value
Recovery Time 350ns max, measured from edge of 10 microsecond pulse to leading edge of next 10 microsecond pulse to within 1dB voltage level
Input VSWR 2.0:1 max
Max Input Level +20dBm CW
Video Output Drive Through 250 Fee, 75Ohms Cable (RG11)
Power Supply +15VDC @ 400 mA max
-15VDC @ 150mA max
Operating Temperature -20°C to +85°C
Size 3.5" x 2.5" x 0.5"
Cooling Conduction cooling at mounting surface

Environmental Ratings:

 Temperature:   -20ºC to +85ºC Operating
 -65ºC to +125ºC Non-Operating
 Humidity:  MIL-STD-202F, Method 103B Cond B
 Shock:  MIL-STD-202F, Method 213B Cond B

 MIL-STD-202F, Method 204D Cond B

 Altitude:  MIL-STD-202F, Method 105C, Cond B
 Temperature Cycle:  MIL-STD-202F, Method 107 Cond A