MC145193F Freescale Semiconductor, MC145193F Datasheet - Page 20

• Manufacturer Part Number: MC145193F
• Manufacturer: Freescale Semiconductor

Specifications of MC145193F

• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Package Type: SO
• Pin Count: 20
• Mounting: Surface Mount
• Lead Free Status / Rohs Status: Supplier Unconfirmed

20
NOTE: See related Figures 23, 24, and 25.
NOTES:
CMOS
MCU
Threshold
Detector
1 When used, the R and V outputs are fed to an external combiner/loop filter. See the Phase–
2 Transistor Q1 is required only if the standby feature is needed. Q1 permits the bipolar section
3 For optimum performance, bypass the V CC , V DD , and V PD pins to Gnd with low–inductance ca-
4 The R counter is programmed for a divide value = REF in / f R . Typically, f R is the tuning resolution
Locked Loop — Low–Pass Filter Design (Page 19) for additional information.
of the device to be shut down via use of the general–purpose digital pin, Output B. If the standby
feature is not needed, tie Pin 12 directly to the power supply.
pacitors.
required for the VCO. Also, the VCO frequency divided by f R = N T = N x 64 + A; this determines
the values (N, A) that must be programmed into the N and A counters, respectively.
Low–pass
Integrator
Filter
Freescale Semiconductor, Inc.
For More Information On This Product,
D in
+ 3 V
1000 pF
(MC145193 or MC145202–1)
Figure 22. Cascading Two Devices
Figure 21. Example Application
CLK
Go to: www.freescale.com
NC
Device #1
VCO
10
UHF
1
2
3
4
5
6
7
8
9
ENB
REF out
LD
V PD
PD out
Gnd
Rx
Test 1
f in
MC145193
R
V
(Data Out)
Output A
Output A
Output B
REF in
Test 2
V DD
V CC
ENB
CLK
D in
f in
16
15
14
Optional
20
19
18
17
13
12
11
NC
MOTOROLA WIRELESS SEMICONDUCTOR
D in
General–purpose
Digital Output
SOLUTIONS – RF AND IF DEVICE DATA
+ 3 V
Buffer
(MC145193 or MC145202–1)
Q1
CLK
Device #2
Note 2
UHF Output
ENB
MCU
+ 3 V
(Data Out)
Output A