ERDLA11802-31C

PSEUDO AC COUPLED DETECTOR LOG AMPLIFIER (ERDLA)

ERDLA21802-31E

	SPECIFICATIONS
Frequency Range	2 to 18 GHz	Max Input Level: +20 dBm CW Video Output Drive: Through 250 ft, 75 Ohm cable (RGI 1) Droop: 70 mV max down to -65 dBm Input VSWR: 2.3•.1 max
Frequency Flatness	3.5 dB Max
Signal Capability	Pulse (100 ns to 300 us) Pulse on CW
CW Immunity Range	-rss to -40 dBm<140mV BS
Peak Pulse Amplitude Loss	CW and pulse peak amplitude levels, -40dBm: 2.0 dB max CW>-40dBm: stable pulse on CW	Power Supply: 15VDC @ 400mA max -15VDC 150mA max
		Operating Temp: -O to +85⁰C
		Finish: Per MIL-C-85285A, color: gray
TSS	-72dBm for 15 MHz video bandwidth	Finish: Per MIL-C-85285A, color: gray
Dynamic Range	-66 dBm to 5 dBm	Environmental Stress Screening, ESS (1) Stabilization Bake: 48 hrs at 85⁰C. (2) Thermal Shock per MIL-T=STD-202 Method 107; -20 to +85 ⁰C, 30 min dwell time at each temp; 15 sec transfer time; 10 cycles. (3) Temp Cycling: -20 to +85 ⁰C, DC power on at 3⁰C/min; 10 cycles. (4) Random Vibration: 16.8 RMS in the axis (perpendicular to the mounting axis) for 15 min.
Log Slope	70 mV/dB
Log Linearity 250C	±1.0 dB max
Video Out	-66 dBm 350 ± 140 mV
Output Characteristic	DC offset: ±70 mV max,
Log Accuracy from 70 mV/dB	±1.75 dB max over Freq. Band ±2.0 dB max over Freq. & temp.
Output noise level	150 t-nv P.P.
Output Rise Time	25 nSec max
Settling Time	50 ns (10% output to ±0.5 dB of final value)
Recovery Time (±1.0 dB)	1 us typ measured from 90% trailing edge of pulse to next -60 dBm pulse eak

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