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1999 May 31 9
Philips Semiconductors Product specification
Home automation modem TDA5051A
Fig.4 Shaped signal spectrum.
Resolution bandwidth = 100 Hz; B
−20dB
= 3000 Hz (2 × 1500 Hz).
handbook, full pagewidth
−60
117.5 132.5
dBV
(RMS)
147.5
f (kHz)
−10
MBH664
1500 Hz
20 dB
Fig.5 AGC time constant definition (not to scale).
handbook, full pagewidth
MGK011
V
RXIN
V
(I)
0
8.68 dB
AGC range
t
c(AGC)
(AGC time constant)
+30 dB
−6 dB
G
AGC
modulated sine wave 122 dBµV amplitude
t