 English |
|
|
|
|
|
|
|
| TCA440 Datasheet, PDF (4/11 Pages) Siemens Semiconductor Group – AM Receiver Circuit | |||
| |||
| ◁ |
Characteristics
refer to application examples, fi = 1 MHz, fosc = 1.455 kHz, flF = 455 kHz, VCC = 9 V, fm = 1 kHz, m = 0.8,
voltages refer to ground, Ta = 20 to 25 °C, unless specified otherwise
min
Current and voltage supply
(no RF signal)
Supply voltage
V14-8
4.5
Current consumption
V14-8 = 4.5 V
I14
V14-8 = 9 V
I14
V14-8= 15 V
I14
Entire receiver
RF level variation
with âVNF = 6 dB
with âVNF = 10 dB
âVRF
âVRF
NF output voltages
(symmetrically measured at 1-2)
ViHF = 20 µV, m = 0.8
VNF(rms)
60
ViHF = 1 mV, m = 0.8
VNF(rms)
ViHF = 500 mV, m = 0.8
VNF(rms)
100
ViHF = 20 µV, m = 0.3
VNF(rms)
ViHF = 1 mV, m = 0.3
VNF(rms)
ViHF = 500 mV, m = 0.3
VNF(rms)
RF input sensitivity
measured at 60 â¦, m = 0.3,
RG = 540 â¦
signal-to-noise ratio
S + N/N = 6 dB
ViRF
S + N/N = 26 dB
ViRF
S + N/N = 58 dB
ViRF
Maximum RF input voltage
ViHF
(THD = 10 %)
Total harmonic distortion
VHF = 500 mV
VHF = 30 mV
THD
THD
RF part
Input frequency range
fiHF
0
Output frequency
f|F = fosc - fiHF
fIF
Control range
âGV
typ
9
7
10.5
12
65
80
140
260
350
50
100
130
1
7
1
4.5
2.8
455
38
max
unit
15
V
mA
16
mA
mA
dB
dB
mV
mV
560
mV
mV
mV
mV
µV
µV
mV
1.5
V
10
%
8
%
50
MHz
kHz
dB
4
12/95
TCA 440 / T
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese