FX829 Datasheet, PDF (27/34 Pages) CML Microcircuits – Baseband Signal Processor

Baseband Signal Processor
Notes Min.
Amp 1 and Amp 2
Open Loop Gain
(I/P = 1mV at 100Hz)
-
Unity Gain Bandwidth
-
Input Impedance
(at 100Hz)
10
Output Impedance
(Open Loop)
-
(Closed Loop)
-
Distortion (DTMF)
-
FFSK/DTMF TX OUT
Tx O/P impedance (not powersaved)
Tx O/P impedance (powersaved)
Signal Level (FFSK)
Signal Level (DTMF High Tone)
Signal Level (DTMF Low Tone)
Distortion (DTMF)
3
3
300
1
-1
1
-
1
-
-
FFSK TX OUT
Isochronous Distortion:
(1200Hz - 1800Hz)
(1800Hz - 1200Hz)
(1200Hz - 2400Hz)
(2400Hz - 1200Hz)
Third Harmonic Distortion
Deviation Limiter
Threshold
Gain
1
-
-0.5
Transmitter Modulator Drives
Input Impedance
(MOD1 IN, VOLUME IN) (at 100Hz)
-
Mod.1 Attenuator
Nominal Adjustment Range
Attenuation Accuracy
Step Size
Output Impedance
0
-1.0
0.2
3
-
Mod.2 Attenuator
Nominal Adjustment Range
Attenuation Accuracy
Step Size
Output Impedance
0
-0.6
0.1
3
-
Audio Output Attenuator
Nominal Adjustment Range
Attenuation Accuracy
Step Size
Output Impedance
0
-1.5
-
3
-
Typ.
70
5.0
-
6.0
600
2
1.0
500
0
+2.0
0
2
25
25
20
20
2
1300
-
15.0
-
0.4
600
-
0.2
600
-
1.6
600
Max.
-
-
-
-
-
5
2.5
-
+1
-
-
5
40
40
30
30
3
-
0.5
-
12.0
1.0
0.6
-
6.0
0.6
0.3
-
48.0
1.5
-
-
FX829
Units
dB
MHz
MΩ
kΩ
Ω
%
kΩ
kΩ
dB
dB
dB
%
µs
µs
µs
µs
%
mVpk-pk
dB
kΩ
dB
dB
dB
Ω
dB
dB
dB
Ω
dB
dB
dB
Ω
© 1997 Consumer Microcircuits Limited
27
D/829/4