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FSK датащи(PDF) 10 Page - ATMEL Corporation

номер детали FSK
подробное описание детали  Transmitter
PDF  13 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

FSK датащи(HTML) 10 Page - ATMEL Corporation

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10
4546F–RKE–12/08
T5750
Output power variation for the full
temperature range
Tamb = –40°C to +85°C,
V
S = 3.0V
VS = 2.0V
ΔP
Ref
ΔP
Ref
–1.5
–4.0
dB
dB
Output power variation for the full
temperature range
Tamb = –40°C to +125°C,
V
S = 3.0V
V
S = 2.0V,
POut = PRef + ΔPRef
ΔP
Ref
ΔP
Ref
–2.0
–4.5
dB
dB
Achievable output-power range
Selectable by load impedance
POut_typ
–3
+5.5
dBm
Spurious emission
fCLK = f0/128
Load capacitance at pin CLK = 10 pF
f
O ±1 × fCLK
fO ±4 × fCLK
other spurious are lower
–52
–52
dBc
dBc
Oscillator frequency XTO
(= phase comparator frequency)
f
XTO = f0/64
f
XTAL = resonant frequency of the XTAL,
CM ≤ 10 fF, load capacitance selected
accordingly
T
amb = –40°C to +85°C,
Tamb = –40°C to +125°C
f
XTO
–30
–40
f
XTAL
+30
+40
ppm
ppm
PLL loop bandwidth
250
kHz
Phase noise of phase comparator
Referred to fPC = fXT0,
25 kHz distance to carrier
–116
–110
dBc/Hz
In loop phase noise PLL
25 kHz distance to carrier
–80
–74
dBc/Hz
Phase noise VCO
at 1 MHz
at 36 MHz
–89
–120
–86
–117
dBc/Hz
dBc/Hz
Frequency range of VCO
fVCO
868
928
MHz
Clock output frequency (CMOS
microcontroller compatible)
f
0/256
MHz
Voltage swing at pin CLK
CLoad ≤ 10 pF
V0h
V
0l
VS × 0.8
V
S × 0.2
V
V
Series resonance R of the crystal
Rs
110
Ω
Capacitive load at pin XT0
7pF
FSK modulation frequency rate
Duty cycle of the modulation signal = 50%
0
32
kHz
ASK modulation frequency rate
Duty cycle of the modulation signal = 50%
0
32
kHz
ENABLE input
Low level input voltage
High level input voltage
Input current high
V
Il
VIh
IIn
1.7
0.25
20
V
V
µA
PA_ENABLE input
Low level input voltage
High level input voltage
Input current high
VIl
V
Ih
IIn
1.7
0.25
V
S
(1)
5
V
V
µA
7.
Electrical Characteristics (Continued)
VS = 2.0V to 4.0V, Tamb = –40°C to 125°C unless otherwise specified.
Typical values are given at VS = 3.0V and Tamb = 25°C. All parameters are referred to GND (pin 7).
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Note:
1. If VS is higher than 3.6V, the maximum voltage will be reduced to 3.6V.



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