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A 1.5 V 28 GHz beam...
A 1.5 V 28 GHz beam steering SiGe PLL for an 81-86 GHz E-band transmitter
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- TIRED, TOBIAS (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Wernehag, Johan (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,System på chips (master),Utbildningsprogram, LTH,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH,Embedded Electronics Engineering (M.Sc.),Educational programmes, LTH,Faculty of Engineering, LTH
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- Ahmad, Waqas (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- ud Din, Imad (author)
- Ericsson AB
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- Sandrup, Per (author)
- Ericsson AB
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- Törmänen, Markus (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Elektroteknik (CI),Utbildningsprogram, LTH,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH,Electrical Engineering (M.Sc.Eng.),Educational programmes, LTH,Faculty of Engineering, LTH
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- Sjöland, Henrik (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2016
- 2016
- English 3 s.
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In: IEEE Microwave and Wireless Components Letters. - 1531-1309. ; 26:10, s. 843-845
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Abstract
Subject headings
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- This letter presents measurement results for a low supply voltage 28 GHz beam steering PLL, designed in a SiGe bipolar process with fT=200 GHz. The PLL, designed around a QVCO, is intended for a beam steering 81-86 GHz E-band transmitter. Linear phase control is implemented by variable current injection into a Gilbert type phase detector, with a measured nominal phase control sensitivity of 2.5 °/ μA . The demonstrated LO generation method offers great advantages in the implementation of beam steering mm-wave transmitters, since only the low frequency PLL reference signal of 1.75 GHz needs to be routed across the chip to the different transmitters. Except for an active loop filter, used to extend the locking range of the PLL, the design uses a low supply voltage of 1.5 V. The PLL obtains a measured in band phase noise of −107 dBc/Hz at 1 MHz offset. The power consumption equals 54 mW from the 1.5 V supply plus 1.8 mW for the variable supply of the active low pass filter.
- This paper presents measurement results for a low supply voltage 28 GHz beam steering PLL, designed in a SiGe bipolar process with fT = 200 GHz. The PLL, designed around a QVCO, is intended for a beam steering 81-86 GHz E-band transmitter. Linear phase control is implemented by variable current injection into a Gilbert type phase detector, with a measured nominal phase control sensitivity of 2.5˚/µA. The demonstrated LO generation method offers great advantages in the implementation of beam steering mm-wave transmitters, since only the low frequency PLL reference signal of 1.75 GHz needs to be routed across the chip to the different transmitters. Except for an active loop filter, used to extend the locking range of the PLL, the design uses a low supply voltage of 1.5 V. The PLL obtains a measured in band phase noise of -107 dBc/Hz at 1 MHz offset. The power consumption equals 54 mW from the 1.5V supply plus 1.8 mW for the variable supply of the active low pass filter.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Keyword
- PLL
- beam steering
- E-band
- Phase locked loops
- Phase noise
- Beam steering
- Phase measurement
- Radio transmitters
- Noise measurement
- Silicon germanium
Publication and Content Type
- art (subject category)
- ref (subject category)
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