Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

LTC6948 Datasheet(PDF) 9 Page - Analog Devices

Part # LTC6948
Description  Fractional-N Synthesizer Integrated VCO
PDF  38 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC6948 Datasheet(HTML) 9 Page - Analog Devices

Back Button LTC6948 Datasheet HTML 5Page - Analog Devices LTC6948 Datasheet HTML 6Page - Analog Devices LTC6948 Datasheet HTML 7Page - Analog Devices LTC6948 Datasheet HTML 8Page - Analog Devices LTC6948 Datasheet HTML 9Page - Analog Devices LTC6948 Datasheet HTML 10Page - Analog Devices LTC6948 Datasheet HTML 11Page - Analog Devices LTC6948 Datasheet HTML 12Page - Analog Devices LTC6948 Datasheet HTML 13Page - Analog Devices Next Button
Zoom Inzoom in Zoom Outzoom out
 9 / 38 page
background image
LTC6948
9
6948fa
For more information www.linear.com/LTC6948
TA = 25°C. VREF+ = VD+ = VRF+ = 3.3V, VCP+ = VVCO+ =
5V, INTN = 0, DITHEN = 1, CPLE = 1, RFO[1:0] = 3, unless otherwise noted.
Typical perForMance characTerisTics
LTC6948-2 VCO Phase Noise vs
fVCO, Output Divide
(fOFFSET = 1MHz)
LTC6948-3 VCO Phase Noise vs
fVCO, Output Divide
(fOFFSET = 1MHz)
LTC6948-4 VCO Phase Noise vs
fVCO, Output Divide
(fOFFSET = 1MHz)
Closed-Loop Phase Noise,
LTC6948-1 fRF = 891.857MHz
Closed-Loop Phase Noise,
LTC6948-3 fRF = 2377.728MHz
Closed-Loop Phase Noise,
LTC6948-2 fRF = 3646.464MHz
LTC6948-3 VCO Phase Noise vs
fVCO, Output Divide
(fOFFSET = 10kHz)
LTC6948-4 VCO Phase Noise vs
fVCO, Output Divide
(fOFFSET = 10kHz)
LTC6948-1 VCO Phase Noise vs
fVCO, Output Divide
(fOFFSET = 1MHz)
–150
–145
–140
–135
–125
–130
fVCO (GHz)
2.2 2.4 2.6 2.8 3.0
6948 G27
3.2 3.4 3.6 3.8
fRF = fVCO/O
O=1
O=2
O=3
O=6
O=4
O=5
–80
–75
–70
–85
–90
–95
fVCO (GHz)
3.8
4.2
6948 G25
4.6
5.0
5.4
5.8
fRF = fVCO/O
O=1
O=2
O=3
O=6
O=4
O=5
–130
–125
–135
–140
–145
fVCO (GHz)
3.0
3.3
3.6
3.9
6948 G28
4.2
4.5
4.8
fRF = fVCO/O
O=1
O=2
O=3
O=6
O=4
O=5
–130
–125
–120
–135
–140
–145
fVCO (GHz)
3.8
4.2
6948 G29
4.6
5.0
5.4
5.8
fRF = fVCO/O
O=1
O=2
O=3
O=6
O=4
O=5
4.3
4.7
5.1
5.5
5.9
6.7
6.3
–130
–125
–120
–135
–140
–145
fVCO (GHz)
6948 G30
fRF = fVCO/O
O=1
O=2
O=3
O=6
O=4
O=5
–80
–75
–70
–85
–90
–95
fVCO (GHz)
4.3
4.7
6948 G26
5.1
5.5
5.9
6.7
6.3
fRF = fVCO/O
O=1
O=2
O=3
O=6
O=4
O=5
OFFSET FREQUENCY (Hz)
–140
–130
–110
–90
100
10k
100k
10M 40M
6948 G31
–150
1k
1M
–100
–120
–160
RMS NOISE = 0.074°
fPFD = 25MHz
O = 3
INTN = 0
CPLE = 1
fIB-SPUR = 572kHz
LOOP BW = 73kHz
NOTES 8, 13
OFFSET FREQUENCY (Hz)
–140
–130
–110
–90
100
10k
100k
10M 40M
6948 G32
–150
1k
1M
–100
–120
–160
RMS NOISE = 0.141°
fPFD = 61.44MHz
O = 2
INTN = 0
CPLE = 1
LOOP BW = 180kHz
NOTES 9, 12
OFFSET FREQUENCY (Hz)
–140
–130
–110
–90
100
10k
100k
10M 40M
6948 G33
–150
1k
1M
–100
–120
–160
RMS NOISE = 0.224°
fPFD = 61.44MHz
O = 1
INTN = 0
CPLE = 1
LOOP BW = 178kHz
NOTE 9



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com