ATA2526(2006) 데이터 시트보기 (PDF) - Atmel Corporation
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ATA2526 Datasheet PDF : 14 Pages
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ATA2526
Figure 6-7.
Typical Bandpass Curve
1.1
VS = 3V
1.0
0.9
0.8
Bandwidth (-3 dB)
0.7
0.6
0.5
0.4
0.92 0.94
0.96
0.98
1.00
f/f0
1.02
1.04
1.06 1.08
Q = f/f0/B; B →–3 dB values.
Example: Q = 1/(1.047 – 0.954) = 11
Figure 6-8. Illustration of Used Terms
Example: f = 33 kHz, burst with 16 pulses, 16 periods
tPER = 970 µs
Period (P = 16)
tB = 485 µs
Burst (N = 16 pulses)
tGAP > tDON + tDOFF
IN
1
7
16
7
7
OUT
OUT
tDON
tDOFF
Envelope 1
33 µs (f0 = 33 kHz)
485 µs
15520 µs
Data word
16 ms
Telegram pause
TREF = 62 ms
Data word
Envelope 16
t
9
4905D–AUTO–10/06
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