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1999 May 31 8
Philips Semiconductors Product specification
Home automation modem TDA5051A
Power-up timing
t
d(pu)(TX)
delay between power-up
and DATA
IN
in
transmission mode
XTAL = 8.48 MHz;
C1 = C2 = 27 pF;
R
p
= 2.2 MΩ; see Fig.10
− 1 −µs
t
d(pu)(RX)
delay between power-up
and DATA
OUT
in reception
mode
XTAL = 8.48 MHz;
C1 = C2 = 27 pF;
R
p
= 2.2 MΩ;
f
RXIN
= 132.5 kHz;
120 dBµV sine wave;
see Fig.11
− 1 −µs
Power-down timing
t
d(pd)(TX)
delay between PD = 0 and
DATA
IN
in transmission
mode
f
osc
= 8.48 MHz;
see Fig.12
− 10 −µs
t
d(pd)(RX)
delay between PD = 0 and
DATA
OUT
in reception
mode
f
osc
= 8.48 MHz;
f
RXIN
= 132.5 kHz;
120 dBµV sine wave;
see Fig.13
− 500 −µs
t
active(min)
minimum active time with
T = 10 ms power-down
period in reception mode
f
osc
= 8.48 MHz;
f
RXIN
= 132.5 kHz;
120 dBµV sine wave;
see Fig.14
− 1 −µs
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Fig.3 Carrier spectrum.
Resolution bandwidth = 9 kHz; top: 0 dBV (RMS) = 120 dBµV (RMS); marker at −5 dBV (RMS) = 115 dBµV (RMS);
the CISPR16 network provides an attenuation of 6 dB, so the signal amplitude is 121 dBµV (RMS).
d
book, full pagewidth
−100
0
MGK834
132.5 kHz
V
o(rms)
(dBV)
10
6
10
5
f (Hz)