Preliminary Product Listing

 

         Model: ERDLVA-218-CW-75MV      

 

PMI Model ERDLVA-218-CW-75MV is a CW immune extended range detector log video amplifier (ERDLVA) that operates between the 2 TO 18 GHz frequency range with a log slope of 75 mV / dB and rise time of 25 ns.


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Product Feature

 

Specifications:

Frequency Range 2.0 to 18.0 GHz
TSS -42 dBm min. (8.5 dBV SNR)
Frequency Flatness ±1.5 dB max. at -20 dBm (over full temp.)
Monotonic dynamic range ±75 mV -40 dBm to +20 dBm (over operating Freq/Temp.)
Logging range -40 dBm to +20 dBm min.
Log Slope

75 ±10 mV max. per dB (average over operating Freq/Temp.)

Log Slope linerity

-40 to 0 dBm ±0.50 dB max.

-40 to 15 dBm ±0.75 dB max.

-40 to 20 dBm ±1.00 dB max.

Throughput delay time 25 ns max. (50 % RF to 50 % video)
Video bandwidth 20 MHz min. over 60 dB logging range
Rise time / recovery time 20 ns max. / 200 ns
Overshoot

1 dB max. during first 50 ns with rise times 10 ns min. over full logging range

Settling time ±0.5 dB within 25 ns from 90 % amplitude of video output with 10 ns rise time RF pulse over full logging range.
Pulse droop 1 dB max. on pulses up to 250 us
Trailing edge monotonicity ±2 dB over full logging range
Duty cycle (0.05 us to 250 us PW) 0 - 70 %
Negative going output Clamped at -0.40 V and baseline centered at 0 V
Pulse width Within 10 ns of RF pulse width @ -5 dB from peak and 50 ns to 250 us of pulse width range
Video output level average @ -40 dBm over frequency

300 ±50 mV (over full temp. range)

Log video output voltage range 300 mV to 4800 mV nom. (bottom log curve), 0 mV to 5090 mV nom. (top log curve).
Output impedance DLVA 50 ohms ±2 %
Out of band performance (1.8 GHz to 18.3 GHz) Within 1.0 dB of in-band performance
Baseline DC offset 0 to 125 mV max. (over full temp / power supply voltage ranges)
Baseline noise 62 mV to 102 mV RMS centered at 0 V measured at 20 MHz video bandwidth.
Load stability No oscillations 50 ohm load and cable
CW recovery circuit performance CW immunity range -50 dBm to -10 dBm. CW attack time 1500 us max., release time 250 us max., shall not act on noise less than 250 us.
Input impedance 50 ohms nom.
Input VSWR Less than 2.5:1 max. up to -20 dBm input and less than 3.0:1 max. up to +15 dBm input.
Input power handling CW RF input levels of +23 dBm min.
Detector DC return Shall have a built in DC return.
Voltage and current (no signal)

+12.0 V +5 % max. unregulated at 250 ma max.

-12.0 V +5 % max. unregulated at 250 ma max.

Noise 200 mV P- P switching power supply noise. 20 to 100 KHz switching rate with 1 to 20 MHz fundamental switching frequencies and resulting harmonics, along with similar digital switching noise on all power lines.
Ripple Power supply ripple of ±1 % from DC to 1 MHz on all power lines.
Supply voltage fold back No damage
Leakage levels <-60 dBm
Warm up time 10 sec. max.
Weight 6 oz max.
Finish Gold alodine. Mounting surface unplated.
Marking Permanent contrasting ink per MIL-STD-130

Environmental Ratings:

 Temperature: -25 ºC to +85 ºC Operating
-40 ºC to +85 ºC Non-Operating
 Humidity: To 100 % +30 °C to +55 °C with condensation, 240 hr exposure
 Fungus:

No fungus nutrient materials, PCB's to be humisealed

 Vibration: 0.2" (double amplitude) 5-14 Hz, 2.0 g 14 to 33 Hz, 0.036" (double amplitude) 33 to 52 Hz, 5.0 g 52 to 500 Hz
 Altitude:

Non-Operating: Sea level to 40,000 feet ASL.

Operating: Sea level to 20,000 feet ASL

  Random Vibration: 0.04 g² / Hz from 60 to 350 Hz, decreasing @ 3 dB / octave from 60 to 20 Hz and 350 Hz to 2 kHz, 6 grams total
 Functional Shock:: 40 g (6 shocks per axis, 6 to 9 ms duration)

Specifications subject to change or revision.