tda5235 Infineon Technologies Corporation, tda5235 Datasheet - Page 135

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

Data Sheet
General RF Characteristics (overall)
D1
D2
D3
D4
D5
D6
#
Parameter
Frequency
Range 1
Range 2
Range 3
Range 4
Frequency step of
Sigma-Delta PLL
ASK Demodulation
Data Rate
Data rate tol.
Modulation index
FSK Demodulation
Data Rate
Data rate tol.
Frequency deviation
Modulation index
Decoding schemes
Duty cycle ASK
Duty cycle FSK
Overall noise figure
Noise figure
Symbol
f
f
f
f
f
R
R
m
m
R
R
Δf
m
T
T
T
T
NF
band_1
band_2
band_3
band_4
step
chip
data
chip
data
data
data_tol
data
data_tol
ASK
OOK
FSK
/
/
min. typ.
300
425
863
902
10.5
0.5
-10
50
99
0.5
-10
1
1.0
Manchester, differential Manchester,
Bi-phase Mark / Bi-phase Space
35
45
Limit Values
6
135
max.
320
450
870
928
40
+10
100
100
112
+10
64
55
55
8
Unit
MHz
MHz
MHz
MHz
Hz
kchip/s
%
%
%
kchip/s
%
kHz
%
%
dB
Remarks
1
Low Side LO-injection
and High Side LO-
injection allowed;
See also
f
ASK
ON-OFF keying
zero-peak
m = frequency_
deviation
maximum_occuring_data
_frequency;
m >= 1.25 is
recommended at small
frequency deviation
see
Definition C
see
Definition B
@ T
Test Conditions
including tolerance
frequency deviation
RF input matched to 50 Ω
step
st
Local Oscillator
= f
Chapter 2.7.2
Chapter 2.7.2
amb
XTAL
= 25 °C
zero-peak
Chapter 3
V1.0, 2010-02-19
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Reference
TDA5235
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