SQ-1
Mean Squaring Circuit
Model SQ-1 generates the mean of the square of an
input signal for measuring distortions below -100 dB
with the use of a Fast Fourier Analysis method.
SPECIFICATIONS
PLOT
Block diagram
| Input Frequency | 10 ~ 30 MHz (Optional 10 to 300 MHz) |
| Output Frequency | DC to 30 KHz |
| Maximum Usable Input | -15 dBm (50 Ω) |
| Output | Nominal 2 Volts DC for -15 dBm Input |
| Offset Voltage | < 0.005 Volts |
| Input Level for 3 dB S/N Ratio w/ Output Bandwidth of 1 Hz | -75 dBm |
| Power Required | ±15 V DC, 30 mA |
PLOT
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Block diagram
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