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MC12079 View Datasheet(PDF) - Motorola => Freescale

Part Name
Description
View to exact match
MC12079
Motorola
Motorola => Freescale Motorola
MC12079 Datasheet PDF : 4 Pages
1 2 3 4
MC12079
ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 5.5 V; TA = –40 to 85°C, unless otherwise noted.)
Parameter
Symbol
Min
Typ
Toggle Frequency (Sine Wave)
ft
0.25
3.4
Supply Current Output (Pin 2)
Input Voltage Sensitivity
250–500 MHz
500–2800 MHz
ICC
9.0
Vin
400
100
Divide Ratio Control Input High (SW)
Divide Ratio Control Input Low (SW)
Output Voltage Swing
(CL = 12 pF; RL = 1.2 k; IO = 2.7 mA)1
(CL = 12 pF; RL = 2.2 k; IO = 1.5 mA)2
(CL = 12 pF; RL = 3.9 k; IO = 0.85 mA)3
NOTES: 1. Divide ratio of ÷64 at 2.8 GHz.
2. Divide ratio of ÷128 at 2.8 GHz.
3. Divide ratio of ÷256 at 2.8 GHz.
VIH
VIL
Vout
VCC
Open
1.0
VCC
Open
1.6
Max
2.8
11.5
1000
1000
VCC
Open
Unit
GHz
mA
mVpp
V
Vpp
Figure 1. Logic Diagram (MC12079)
D QB
DQ
D QB
In
In
CQ
C QB
CQ
DQ
D QB
C QB
CQ
D QB
D QB
D QB
CQ
CQ
CQ
Out
SW2
SW1
SINE WAVE GENERATOR
C1
IN
50
C2
IN
Figure 2. AC Test Circuit
VCC = 4.5 to 5.5 V
C3
VCC
SW1
SW2
OUT
GND
CL
RL
EXTERNAL COMPONENTS
C1 = C2 = 1000 pF
C3 = 0.1 µF
CL = 12 pF (Including Scope and Jig Capacitance)
RL = 1.2 k(for ÷64 at 2.8 GHz)
2
MOTOROLA RF/IF DEVICE DATA
 

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