LogoPMI Model No. SDLVA-0R81R6-75-CD-3 is a successive detection log video amplifier (SDLVA) that operates between the 850 to 1550 MHz frequency range.  It has a dynamic range of 75 dB, a log slope of 40 mV/dB and a nominal video bandwidth of 20 MHz. 

Furthermore, it has been designed using cutting edge GaAs technology which provides stunning performance and reliability in a compact package making it an optimum solution for high speed channelized receiver applications.


Frequency Range

850 to 1500MHz

Dynamic Range


Log Linearity

±0.8dB typ, ±1.2dB max @ (-60dBm to 0dBm)

±1.2dB typ, ±1.5dB max @ (-65dBm to +5dBm)

Minimum Logging Range


Maximum Logging Range


VSWR Input

1.5:1 typ, 1.8:1 max

Tangential Sensitivity

-70dBm Typical

Limited IF Output

+5dBm Typical

Maximum RF Input Power

+10dBm CW

Log Video Output Coupling


Log Video Output Rise Time

15nsec typ., 25nsec max.

Log Video Output Fall Time

15nsec typ., 30nsec max.

Log Video Output Settling Time

40nsec max.

Log Video Output DC Offset

0.1 V Nominal (Adjustable)

Log Video Output Slope

40 mV/dB Nominal

Log Slope Variation with Frequency

±0.5 mV/dB Typ. (Over 80 MHz RF Bandwidth)

Log Slope Variation with Temperature

±1 mV Typical

Propagation Delay

10 nS Maximum, 7 nS  Typical

Video Load

50 Ohms ±10%

DC Power Plus

+12 to +15 V@ 200mA

DC Power Minus

-12 to -15 V@190mA


3.75" x 1.50" x 0.50"


Gold Plated

Environmental Ratings:


 -55ºC to +85 ºC Operating

 -65 ºC to +100 ºC Non-Operating


 MIL-STD-202F, Method 103B Cond. B


 MIL-STD-202F, Method 213B Cond. B


 MIL-STD-202F, Method 204D Cond. B


 MIL-STD-202F, Method 105C Cond. B

 Temperature Cycle:

 MIL-STD-202F, Method 107D Cond. A