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T2803-PLS bảng dữ liệu(PDF) 22 Page - ATMEL Corporation

tên linh kiện T2803-PLS
Giải thích chi tiết về linh kiện  2.4 GHZ WDECT/ISM SINGLE CHIP TRANSCEIVER
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22
T2803 [Preliminary]
4572G–DECT–01/04
IF Amplifier (Pins 26, 27, 34 and 35)
Input impedance
Pins 34 and 35 (differential)
Z
in
1200 -
j480
Ω
Lower cut-off frequency
fl
3dB
90
MHz
Upper cut-off frequency
fu
3dB
130
MHz
Power gain
Gp
85
dB
Bandwidth of external tank circuit
Pins 26 and 27
BW3dB
10
MHz
Noise figure
NF
9
dB
RSSI (Pins 25, 34 and 35)
RSSI sensitivity
At IF_IN1,2; pins 34 and 35
P
min
20
dBµV
RSSI compression
At IF_IN1,2; pins 34 and 35
P
max
100
dBµV
RSSI dynamic range
DR
80
dB
RSSI resolution
Slope of the RSSI has to be steady
Acc
±2dB
RSSI rise time
P
in = 30 to 100 dBµV, pin 25
t
r
1µs
RSSI fall time
P
in = 100 to 30 dBµV, pin 25
t
f
1µs
Quiescent output voltage
At P
in < 20 dBµV at IF_IN1,
IF_IN2, pin 25
Vout
0.4
V
Maximum output voltage
At P
in = 100 dBµV at IF_IN1,
IF_IN2, pin 25
V
out
1.9
V
FM Demodulator, BB-filter (Pins 19, 20, 23 and 24)
Co-channel rejection ratio
at P
in = -75 dBm at IR-mixer input
CCRR
10
dB
Sensitivity
Quality factor of external tank
circuit approximately 20,
fres =FIF/2, pin 24
S0.5
V/MHz
Amplitude of recovered signal
Nominal deviation of signal
±400kHz, pin24
A
450
mVpp
Corner frequency
Pin 23: C = 68 pF
f
c
680
kHz
Output voltage DC range
Pin 24
V
outDC
1V
S-1
V
DEMOD_DAC range
(see bus protocol E6 to E10)
∆f
IFcenter
±5%
VCOs
Frequency range
VCO 1, D12 VS = 1
VCO 2, D12 VS = 0
f
vco
f
vco
2289
2289
2483
2483
MHz
MHz
Tuning gain
G
tune
200
MHz/V
Frequency control voltage range
Pin 17
V
tune
0.4
2.8
V
PLL
Scaling factor prescaler
S
PSC
32/33
Scaling factor main counter
S
MC
82 - 89
Scaling factor swallow counter
S
SC
031
External reference input frequency
AC coupled sinewave, pin 4
f
REF_CLK
10.368
13.824
MHz
MHz
External reference input voltage
AC coupled sinewave, pin 4
VREF_CLK
50
250
mVRMS
Scaling factor reference counter
SRC
6/8
Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): VS_REG = 3.2 V, Tamb = 25°C
Parameters
Test Conditions/Pins
Symbol
Min.
Typ.
Max.
Unit



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