tda5235 Infineon Technologies Corporation, tda5235 Datasheet - Page 140

• Manufacturer Part Number: tda5235
• Description: Enhanced Sensitivity Double-configuration Receiver With Digital Baseband Processing
• Manufacturer: Infineon Technologies Corporation

Data Sheet
E5
E6
E7
E7.1
E7.2
E7.3
E7.4
E7.5
E8.1
E8.2
#
Parameter
FE voltage
conversion gain
FE voltage
conversion gain step
1
PLL loop Bandwidth
f
f
f
f
Spurious emission < 1 GHz
Spurious emission > 1 GHz
in_R1
in_R2
in_R3
in_R4
st
Local Oscillator SSB Noise
= 315MHz
= 434MHz
= 868MHz
= 915MHz
Symbol
AV
BW
d
d
d
d
SSB_LO
SSB_LO
SSB_LO
SSB_LO
FE, min
min. typ.
22
100
Limit Values
24
0.8
150
-81
-85
-82
-120
-130
-78
-83
-82
-117
-130
-75
-79
-77
-114
-130
-71
-79
-77
-116
-130
140
max.
26
200
-76
-80
-77
-115
-125
-73
-78
-77
-112
-125
-70
-74
-72
-109
-125
-66
-74
-72
-111
-125
-57
-47
Unit
dB
dB
kHz
dBc/Hz @ f
dBc/Hz @ f
dBc/Hz @ f
dBc/Hz @ f
dBm
dBm
Remarks
max. IF attenuation
(IFATT = 15);
input matched to 50 Ω;
Insertion loss of input
matching network = 1dB
R
tested at 434 MHz
12dB / 15 = 0.8dB/step
Double Down
Conversion: 16 gain
settings (4 bit)
Single Down Conversion:
7 gain settings
closed loop
BW and its tolerances
@ f
@ f
@ f
@ f
@ f
@ f
@ f
@ f
@ f
@ f
@ f
@ f
@ f
@ f
@ f
@ f
Test Conditions
load_IF
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
offset
= 330 Ω;
= 1 kHz
= 10 kHz
= 100 kHz
= 1 MHz
=> 10 MHz
= 1 kHz
= 10 kHz
= 100 kHz
= 1 MHz
=> 10 MHz
= 1 kHz
= 10 kHz
= 100 kHz
= 1 MHz
=> 10 MHz
= 1 kHz
= 10 kHz
= 100 kHz
= 1 MHz
=> 10 MHz
V1.0, 2010-02-19
Reference
TDA5235
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