General Parameters: |
Type: | DLVA |
Status: | Preliminary |
Frequency Range: | 0.5 to 2 GHz |
Frequency Min: | 0.5 GHz |
Frequency Max: | 2 GHz |
TSS: | -42 dBm (8.5 dBV SNR) |
Size: | 2.68" x 2.30" x 0.50" |
Log Slope: | 75 ± 10 mV Max per dB |
Log Range: | -40 to +20 dBm |
Settling Time: | ±0.5 dB within 25 ns from 90% |
Frequency Flatness: | ±1.5 dB Max @ -20 dBm |
Video Bandwidth: | 20 MHz over 60 dB Logging Range |
Duty Cycle: | 0 to 70% (0.05 to 250 µs PW) |
Input Power Handling: | CW RF input levels of +23 dBm Min |
Leakage Level: | <-60 dBm |
Overshoot: | 1 dB during first 50 ns |
Throughput Delay Time: | 25 ns Max |
Output Impedence: | 50 Ohm ± 2% |
Warm Up Time: | 10 seconds |
Input VSWR: | <2.5: Max up to -20 dBm Input and <3.0:1 Max up to +15 dBm input |
Pulse Droop: | 1 dB on Pulses up to 250 µs |
Monotonic Dynamic Range: | ±75 mV, -40 to +20 dBm |
Log Slope Linearity: | -40 to 0 dBm ± 0.5 dB Max -40 to 15 dBm ± 0.75 dB Max -40 to 20 dBm ± 1.0 dB Max |
Rise Time and Recovery Time: | Rise Time: 25 ns Max Recovery Time: 200 ns |
Trailing Edge Monotonicity: | ±2.0 dB over Full Logging Range |
Negative Going Output: | Clamped at -0.40 V |
Pulse Width: | Within 10 ns of RF Pulse Width @ -5 dB from Peak |
Video Output Level Average @ -40 dBm Over Frequency: | 300 ± 50 mV |
Log Video Output Voltage Range: | 300 to 4800 mV nominal, 0 to 5090 mV max. |
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 |
Baseline Noise: | 62 mV to 102 mV RMS |
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 µs Max Release Time 250 µs max. Shall not act on noise <250 µs |
Input Impedance: | 50 Ohms Nom |
Voltages and Current (No Signal): | +12 V +5% Max Unregulated 0.25 A Max -12 V + 5% Max Unregulated 0.25 A 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 |
Supply Voltage Fold Back: | No Damage |
Functional Shock: | 40 G (6 Shocks per Axis, 6 to 9 ms Duration) |
Ripple: | Power Supply Ripple of ±1% from DC to 1 MHz on All Power Lines |
Environmental Ratings: |
Operating Temperature: | -25 °C to +85 °C |
Non-Operating Temperature: | -40 °C to +85 °C |
Humidity: | To 100% +30°C to +55°C with Condesation, 240 hr Exposure |
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 |
Random Vibration: | 0.04 g^2/Hz from 60 to 35 Hz, Decreasing @ 3 dB/Octave from 60 to 20 Hz and 350 Hz to 2 kHz, 6 grams total |
Altitude: | Non-Operating: Sea Level to 40,000 Feet ASL Operating: Sea Level to 20,000 Feet ASL |
Fungus: | No Fungus Nutrient Materials, PCB's to be Humisealed |