mc145220 Freescale Semiconductor, Inc, mc145220 Datasheet - Page 7

• Manufacturer Part Number: mc145220
• Description: Dual Frequency Synthesizer
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
OUTPUT
C1
Figure 9. Test Circuit — Crystal Mode
C2
Figure 11. Switching Waveform
NOTE: Alternately, the 50
* Characteristic Impedance
GENERATOR
SINE WAVE
GENERATOR
50%
SINE WAVE
REF in
REF out
GND
50
50
t w
V+
DEVICE
UNDER
TEST
Figure 8. Test Circuit — Reference Mode
50
GND
OUTPUT A
50
i
*
V+
PAD
pad may be a T network.
i
Figure 7. Test Circuit
V in
(f R )
0.01 F
POINT
TEST
BLOCK
DC
REF in
GND
f in
f in
GND
REF out
V+
DEVICE
UNDER
V+
TEST
DEVICE
UNDER
TEST
* Includes all probe and fixture capacitance.
GND
GND
OUTPUT A
Figure 10. Switching Waveform
OUTPUT A
i
REF out
i
V+
DEVICE
UNDER
Figure 12. Test Circuit
V+
TEST
i
i
50%
(f R )
(f v )
1 / f out
POINT
POINT
TEST
TEST
POINT
TEST
TEST POINT
C L *
MC145220
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