for DVB. TDA9829T Datasheet

TDA9829T DVB. Datasheet pdf. Equivalent

Part TDA9829T
Description Downconverter for DVB
Feature .
Manufacture NXP
Datasheet
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TDA9829T Datasheet
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TDA9829T
INTEGRATED CIRCUITS
DATA SHEET
TDA9829T
Downconverter for DVB
Product specification
File under Integrated Circuits, IC02
1998 Nov 09



TDA9829T
Philips Semiconductors
Downconverter for DVB
Product specification
TDA9829T
FEATURES
5 V supply voltage
Gain controlled IF-amplifier
Mixer for DVB-IF downconversion
VCO for Quadrature Amplitude Modulation (QAM)
carrier recovery
External VCO control
Internal and external AGC
DVB output level adjust via AGC adjust
High level DVB operational output amplifier
Mute switch for DVB output
Tuner AGC with adjustable takeover point (TOP)
AFC detector without extra reference circuit
Stabilizer circuit for ripple rejection and to achieve
constant output signals.
GENERAL DESCRIPTION
The TDA9829T is an integrated circuit for DVB-IF
processing.
QUICK REFERENCE DATA
SYMBOL
VP
IP
V3-4(rms)
∆ϕSSB
αmute
I12(sink)
CRstps(US)
V11(p-p)
B1dB
αH
PSRR
PARAMETER
CONDITIONS
supply voltage
note 1
supply current
input sensitivity (RMS value)
1 dB DVB signal at output
VCO phase noise
f = 100 kHz; free-running
mute attenuation
note 2
sink current
maximum tuner gain
reduction; see Fig.3
control steepness I14/fIF for
USA
fIF = 43.75 MHz;
notes 3 and 4; see Fig.4
output voltage
(peak-to-peak value)
CL < 15 pF; RL > 5 k; with
internal AGC
1 dB bandwidth
CL < 15 pF; RL > 5 k
suppression of in-band harmonics Vo = 2.0 V (p-p)
power supply ripple rejection at see Fig.5
pin 11
MIN.
4.5
81
103
1.5
0.7
1.8
11
30
26
TYP.
5.0
96
100
107
36
2
0.98
2.1
12
35
36
MAX.
5.5
111
150
2.6
1.3
2.4
UNIT
V
mA
µV
dBc/Hz
dB
mA
µA/kHz
V
MHz
dB
dB
Notes
1. Performance may be decreased at VP = 4.5 V.
2. This parameter is not tested during production and is only given as application information for designing the television
receiver.
3. To match the AFC output signal to different tuning systems a current source output is provided. The test circuit is
given in Fig.4. The AFC-steepness can be changed by the resistors at pin 14.
4. Depending on the ratio C/C0 of the LC resonant circuit of VCO (Q0 > 50; C0 = Cint + Cext; see Table 2).
1998 Nov 09
2





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