參數(shù)資料
型號(hào): tda 6190
廠商: SIEMENS AG
英文描述: DVB-IF Mixer(DVB-IF 混頻器)
中文描述: 的DVB -中頻混合機(jī)(的DVB -中頻混頻器)
文件頁數(shù): 22/26頁
文件大?。?/td> 489K
代理商: TDA 6190
Reference
5 - 5
TDA 6190
Wireless Components
Specification, April 2000
Table 5-3 Supply VoltageV
S
= 5V, Ambient temperatureT
amb
= 25
°
C (continued)
Parameter
Symbol
Limit Values
Unit
Test Conditions
Min
Typ
Max
Input impedance
*)
R
IF1/IF2
C
IF1/IF2
I
TunAGC
/
V
1.5
2.0
1.5
2.5
k
pF
balanced input
maximum slope of delayed
tuner AGC
IFAGC
27
40
54
mA/V
V
IFAGC
=1.8 to 2.1V
V
TAGCthr
=1.9V
V
TunAGC
=0.5V
*)
design related values
3. Oscillator
Static Characteristics
VCO voltage
V
VCOb1/
VCOb2
2.1
2.4
2.7
V
Dynamic Characteristics
VCO input admittance
a
Y=G+jB
VCO, 39/120/39pF
Real part
G
VCOb1 /
b2
-1.3
mS
f
VCO
= 25 MHz
Imag. part
B
VCOb1 /
b2
1.8
mS
f
VCO
= 25 MHz
Real part
G
VCOb1 /
b2
-1.9
mS
f
VCO
= 55 MHz
Imag. part
B
VCOb1 /
b2
5.8
mS
f
VCO
= 55 MHz
Oscillator level
V
VCOb1/
b2
107
dB
μ
V
f
VCO
= 43 MHz
Oscillator range
f
VCO
25
60
MHz
depends on application
Oscillator frequency
variation range
=
f
VCO
4
6
MHz
Application Circuit 1
V
tune
= 0.5 to 3 V
Oscillator phase noise
@ 10 kHz
4. Mixer, Output Buffers
Static Characteristics
Φ
VCO
-105
dBc/
Hz
Application Circuit 1
f
VCO
= 43 MHz
Demodulator output DC
level TDA 6190X,
TDA 6190T
V
OUT1
/
OUT2
V
Vs
-
2.5
V
Vs
-
2.0
V
Vs
-
1.5
V
Demodulator output DC
level TDA 6190S
V
OUT1
/
OUT2
V
Vs
-
2.3
V
Vs
-
1.8
V
Vs
-
1.3
V
Demodulator output sink
current
I
OUT1
/
OUT2
1.4
2.0
2.8
mA
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