STW81102ATR STMicroelectronics, STW81102ATR Datasheet - Page 15
STW81102ATR
Manufacturer Part Number
STW81102ATR
Description
IC SYNTHESIZER MULTI RF 28VFQFPN
Manufacturer
STMicroelectronics
Type
Frequency Synthesizerr
Datasheet
1.STW81102AT.pdf
(53 pages)
Specifications of STW81102ATR
Pll
Yes
Input
Clock, Crystal
Output
Clock, Crystal
Number Of Circuits
1
Ratio - Input:output
3:2
Differential - Input:output
No/No
Frequency - Max
4.65GHz
Divider/multiplier
Yes/No
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-VFQFN, 28-VFQFPN
Frequency-max
4.65GHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STW81102ATR
Manufacturer:
ST
Quantity:
3 000
STW81102
3
Figure 3.
Figure 5.
Typical performance characteristics
Phase noise is measured with the Agilent E5052A Signal Source Analyzer. All closed-loop
measurements are done with F
properly set. The loop filter configuration is depicted in
diagram
1kHz offset, -145 dBc/Hz at10 kHz offset and -149.5 dBc/Hz of noise floor.
1.2° rms
VCO A (direct output) open loop
phase noise
VCO A (direct output) closed loop
phase noise at 3.6GHz
(F
I
CP
STEP
=3mA)
=200kHz; F
, and the reference clock signal is at 76.8 MHz with phase noise of -135 dBc/Hz at
PFD
=200kHz;
STEP
=200 kHz, with the F
Figure 4.
Figure 6.
1.4° rms
phase noise
phase noise at 4.3GHz
(F
I
VCO B (direct output) open loop
VCO B (direct output) closed loop
Typical performance characteristics
CP
STEP
Figure 36: Typical application
=4mA)
PFD
=200kHz; F
and charge pump current
PFD
=200kHz;
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