Model: ERDLVA-218-CW-LPD-100         


PMI Model ERDLVA-218-CW-LPD-100 is a CW Immune, Extended Range Detector Logarithmic Video Amplifier (ERDLVA) designed for ultra low DC power consumption This model operates over the 2.0 to 18.0GHz frequency range and offers a log slope of 77mV/dB into a 100 Ohm video load.  This model provides very high speed, excellent flatness and accuracy in an ultra small hermetically sealed housing measuring only 2.04" x 1.67" x 0.472".

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Product Feature

Test Report


Frequency Range 2.0 to 18.0GHz
Frequency Flatness ±2.0 dB max.
TSS -64dBm min.
Maximum Noise 100mV RMS with input terminated
VSWR: 2.0:1 max.
Maximum Input Power (No Damage)

+30dBm CW

+50dBm Peak Pulse, 1% Duty Cycle, 10usec

Log Slope 77mV/dB (±5mV) into a 100 Ohm Load
Video Output Range -0.5V (-60dBm) < RF IN < 5.5V (4dBm)
DC Offset .±150mV
Log Range -60 to +4dBm min.
Log Linearity

±1.5dB (-20°C to +85°C) max.

±1.75dB (-54°C to +95°C) max.

Pulse Range 200nsec to 20usec
Propagation Delay 30nsec
Rise Time 35nsec max. (20nsec typ)
Settling Time to ±1dB 50nsec
Recovery Time 500nsec max (200nsec typ)
Duty Cycle

80% at maximum pulse width

50% at minimum pulse width

CW Immunity Range TSS to -40dBm
Pulse Considered "CW" 900usec
Baseline Shift 25mV max.
Rejection Time 1msec
Droop 1dB max.
Power Supply ±10.8V to ±12.5V
Maximum DC Power 3.9 watts (Both supplies)
Weight 8oz max (3 oz. typ)
Reliability @ +95°C >75,000 hours
Package Hermetically sealed
Finish Mil-Spec Epoxy Paint, Gray Color

Environmental Ratings:

Temperature: -54ºC to +95 ºC Operating
-62 ºC to +125 ºC Non-Operating
High Temperature Operation MIL-STD-810G, Method 501.5, Procedure II
Low Temperature

MIL-STD-810G, Method 502.5, Procedure I (Storage) and Procedure II (Operational)

Temperature Shock: MIL-STD-810G, Method 503.5, Procedure I-C
Temperature Cycle MIL-STD-810G, Figure 503.5-3
 Humidity: MIL-STD-810G, Method 507.5, Procedure II
 Shock: MIL-STD-810G, Method 516.6, Procedure I
 Vibration: MIL-STD-202F, Method 204D Cond. B
Acoustic Noise Susceptibility

MIL-STD-810G, Method 515.6, Procedure I

Figure 516.6A-1

Fungus MIL-STD-810G, Method Method 508.2

Specifications subject to change or revision.