MC33493 Motorola, MC33493 Datasheet - Page 9

• Manufacturer Part Number: MC33493
• Description: PLL tuned UHF Transmitter for Data Transfer Applications
• Manufacturer: Motorola

ELECTRICAL CHARACTERISTICS
Unless otherwise specified, voltage range V
R
load R
figure 12 (14) for OOK (FSK) modulation. Typical values reflect average measurement at V
2.30
2.31
2.32
2.33
2.34
2.44
2.35
2.36
2.37
2.38
2.39
2.43
2.40
2.41
2.42
Note 1: This parameter is depending on crystal characteristics, load capacitor values (see Table 6) and PCB
track capacitance.
Note 2: Delay difference definition
ext
Input data
Demodulated data
=12kΩ+/-5%, RF output frequency f
between falling and rising edges,
MOTOROLA
L
=50Ω+/-1% (figure 9). Values refer to the circuit shown in the recommended application schematics:
Data to RF delay difference
CFSK Output Capacitance
XTAL1 Input Capacitance
CFSK Output Resistance
OOK Modulation Depth
Crystal Resistance
PLL Lock-in Time,
Carrier Frequency
FSK Modulation
Total Deviation
t
Phase Noise
delay_difference
Parameter
t
Data Rate
PLL_lock_in
t
delay_rise
Freescale Semiconductor, Inc.
For More Information On This Product,
f
carrier
carrier
315 & 434MHz bands, see note 1
Go to: www.freescale.com
Test Conditions, Comments
crystal series resistor=150Ω
=433.92MHz, reference frequency f
MC33493 Technical Data
within 30kHz from the final value,
868MHz band, see note 1
315 & 434MHz bands,
±175kHz from f
±175kHz from f
cc
MODE=0, see note 2
MODE=1, see note 2
Manchester coding
=[V
MODE=0, DATA=x
MODE=1, DATA=0
MODE=1, DATA=1
t
delay_fall
OOK modulation
FSK modulation
868MHz band,
shutdown
;3.6V], temperature range T
From 50% of data edge to corresponding
demodulated signal envelope edge:
t
delay_difference
carrier
carrier
ELECTRICAL CHARACTERISTICS
=t
delay_fall
Min.
-200
3.5
reference
75
50
-
-
-
-
-
-
-
-
-
-
-t
Limits
delay_rise
Typ.
5.25
CC
400
-75
-73
=13.560MHz, output
20
20
90
70
90
1
1
-
-
-
-
=3V, T
A
=[-40°C;+125°C],
Max.
1600
200
100
200
300
200
-68
-66
7.5
50
10
A
-
-
-
-
=25°C.
kBit/s
Unit
dBc/
dBc/
dBc
kHz
kHz
kΩ
Hz
Hz
pF
pF
µs
µs
ns
Ω
Ω
9