Text preview for : GRVO2.pdf part of Rficsolutions Inc. GRV02 The GRV02 is 10 to 15 GHz; broadband VCO
designed on 2 um GaAs HBT Technology. The
resonator part is split on-chip inductor and off-chip
Varactor. The VCO consumes only 3.5 mA current
and the layout is very tiny.
The phase noise of the GEV03 can be improved
using the high Q off chip resonator.
Functional Diagram .
The buffer Amplifier is followed by the VCO to
improve the output.
Back to : GRVO2.pdf | Home
RFIC Solutions Inc.
VCO
Description .
Preliminary Datasheet GRV02
Functional Diagram
.
The GRV02 is 10 to 15 GHz; broadband VCO designed on 2 um GaAs HBT Technology. The resonator part is split on-chip inductor and off-chip Varactor. The VCO consumes only 3.5 mA current and the layout is very tiny. The phase noise of the GEV03 can be improved using the high Q off chip resonator. The buffer Amplifier is followed by the VCO to improve the output. Applications. · Digital Radio · SATCOM · VSAT · Multipoint Radios · LMDS (Local Multipoint Distribution Services) . Key Features. . · Wide Band Operation · Low Phase Noise · Operating Temprature 0 to 85 0C Range · Pout is 5 dBm
Electrical Specifications.
.
Conditions: Vcc = 4.2 V & TA=25 0C
Parameter
Frequency Range Pout Phase Noise @ 15 GHz Offset @ 100kHz @ 1 MHz Phase Noise @ 10 GHz Offset @ 100kHz @ 1 MHz Input Reflection Coefficient @ 10 GHz @ 15 GHz Operating Current Supply voltage
Min
10.0
Typical
5 -92 -98 -95 -114 3 4 3.5 4.2
Max
15.0
Units
GHz dBm dBc dBc dBc dBc dB dB mA V
March 12, 2007
www.rficsolutions.com
Page 1 of 3
RFIC Solutions Inc. Proprietary Information
Data subject to change without Notice
RFIC Solutions Inc.
VCO
Simulated Results. .
Preliminary Datasheet GRV02
Input Reflection Coefficient
5
18
F r e q & P o u t Vs V a r a c t o r
16 14 12 10 8 6 4 2 0 0 0.1 0.2 0.3 0.4 0.5 0.6
4 dB(S(1,1)) 3 2 1 0 -1 4 6 8 10 12 14 16 18 20 freq, GHz
V ar a ct o r Cap ac i t an c e
F r e q u e n c y (G H z)
P o u t (d B m)
Varactor capacitance= 0.1 pF
Phase Noise
-90
dBm(Voutput) 20 0 -20 -40 -60 -80 0 10
Power Output
-92 pnmx, dBc -94 -96 -98 -100 0.0 0.2 0.4 0.6 0.8 1.0
20
30
40
50
60
70
noisefreq, MHz
freq, GHz
Oscillation Build Up
600 400
S teady S Oscillations tate
600 400
Voutput, mV
Voutput, mV
0 2 4 6 8 10 12 14 16 18 20
200 0 -200 -400 -600
200 0 -200 -400 -600 19.0 19.1 19.2 19.3 19.4 19.5 19.6 19.7 19.8 19.9 20.0
time, nsec
time, nsec
March 12, 2007
www.rficsolutions.com
Page 2 of 3
RFIC Solutions Inc. Proprietary Information
Data subject to change without Notice
RFIC Solutions Inc.
VCO
Varactor capacitance =0.5 pF
Preliminary Datasheet GRV02
Phase Noise
-90
dBm(Voutput) 10 0 -10 -20 -30 -40 -50 0 5
Power Output
-95 pnmx, dBc -100 -105 -110 -115 0.0 0.2 0.4 0.6 0.8 1.0
10 15 20 25 30 35 40 45 freq, GHz
noisefreq, MHz
Oscillation Build Up
600 400
S teady S Oscillations tate
600 400
Voutput, mV
Voutput, mV
0 2 4 6 8 10 12 14 16 18 20
200 0 -200 -400
200 0 -200 -400 19.0 19.1 19.2 19.3 19.4 19.5 19.6 19.7 19.8 19.9 20.0
time, nsec
time, nsec
March 12, 2007
www.rficsolutions.com
Page 3 of 3
RFIC Solutions Inc. Proprietary Information
Data subject to change without Notice