MC33411AFTA Просмотр технического описания (PDF) - Motorola => Freescale
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MC33411AFTA Datasheet PDF : 43 Pages
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MC33411A/B
Figure 15. Compressor Characteristic with
Programmable Compressor Maximum Gain
0
Vin > = –4.0 dBV, Vout = 1.26 Vpp
(rapidly changing limited signals)
–10
“Comp Low Max Gain En” = 0
–20 Maximum Gain = 21
–20
Vin = –2.5 dBV,
Vout = –10 dBV
–30
–30
–23.5 Vin = –16 dBV,
Vout = –13 dBV
(slowly changing ALC signals)
–33 “Comp Low Max Gain En” = 1.0
–40
Maximum Gain = 12
–50
–60 –50 –40 –30 –20 –10
0
C IN (dBV)
Figure 16. Tx Audio Compressor Response
(Distortion & Amplitude, ALC off, Lim off)
0
14
–5.0
VCC = 3.6 V
TA = 25°C
Compressor Transfer
12
–10 R6/8 = 1
10
–15
–20
8.0
–25
–30
–35
–40
Distortion
–45
–60 –50 –40 –30 –20 –10
0
6.0
4.0
2.0
0
10
C IN VOLTAGE (dBV)
Figure 17. Tx Audio Compressor Response
(Distortion & Amplitude, ALC off, Lim off)
0
14
–5.0
VCC = 3.6 V
TA = 25°C
–10 R6/8 = 0
–15
Compressor Transfer
12
10
–20
8.0
–25
–30
–35
–40
Distortion
–45
–60 –50 –40 –30 –20 –10
0
C IN VOLTAGE (dBV)
6.0
4.0
2.0
0
10
Figure 18. Tx Output Audio Response
(Lim & ALC off)
0
4.0
–5.0 VCC = 3.6 V
TA = 25°C
–10
3.0
–15
–20
Tx Out
2.0
–25
–30
1.0
–35
Distortion
–40
0
–60 –50 –40 –30 –20 –10
0
10
MCI VOLTAGE (dBV)
Figure 19. Tx Output Audio Response
(Lim on, ALC off)
0
4.0
–5.0
VCC = 3.6 V
TA = 25°C
–10
3.0
–15
–20
Tx Out
2.0
–25
–30
1.0
–35
Distortion
–40
0
–60 –50 –40 –30 –20 –10
0
10
MCI VOLTAGE (dBV)
Figure 20. Tx Output Audio Response
(Lim off, ALC on)
0
4.0
–5.0
VCC = 3.6 V
TA = 25°C
–10
3.0
–15
Tx Out
–20
2.0
–25
–30
1.0
–35
Distortion
–40
0
–60 –50 –40 –30 –20 –10
0
10
MCI VOLTAGE (dBV)
20
MOTOROLA RF/IF DEVICE DATA
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