12-4
Module I/O Specifications
A2 Audio Analyzer 2
Outputs
AUDIO OUT MEAS MUX
SPEAKER
To A19 Measurement Board
AUD2_VM J1(11)
Selected path = POS/NEG peak detectors. Input = FILT_AUD
Response Time < 1 ms (Rise time)
DC Offset <± 15 mV
Detector Range 0.424 to 5 V Peak
Selected path = Pre Notch RMS detectors. Input=FILT_AUD
Specified Meas. Range 0.296 to 1.67 Vrms
Selected path = Post Notch RMS detectors. Input FILT_AUD
RMS detector settling time Slow (<= 200 Hz) < 673µs
Fast(> 200Hz) < 93 µs
Specified Meas. Range 0.200 to 1.67 Vrms Gain < 40 dB
0.095 to 1.67 Vrms Gain = 40 dB
3 dB Bandwidth > 160 kHz 70 dB total Gain
Notch Attenuation > 40 dB 1 kHz± 20 Hz
> 65 dB 1 kHz± 5 Hz
Selected path = DC_AUDIO Input =FILT_AUD
Input Impedance 100 kΩ
DC Offset 16 mV Over Temp
Selected path = Pre Notch Audio Input = FILT_AUD
DC Offset < ± 16 mV Over Temp
Available Gain 30 dB
Selected path = Post Notch Audio Input = FILT_AUD
DC Offset < ± 16 mV Over Temp
Available Gain 70 dB
SPK1 J1(2)
Max Output (8Ω) 250 mW Input = FILT_AUD
Amp Gain Adjust Range 0 to 20
ALC circuit output level 0.25 Vp ALC Mode