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RFVC1800
RFVC1800
WIDEBAND MMIC VCO WITH BUFFER
AMPLIFIER, 8GHz to 12GHz
Package: 4mmx4mmx1.1mm
Product Description
Features
RFMD’s RFVC1800 wideband Voltage Controlled Oscillator is a GaAs InGaP HBT
MMIC with integrated VCO core and RF output buffer. The part operates from a single +5V supply for circuit bias and 0 to +13V Vtune for frequency control. The
RFVC1800 is in an RoHS Compliant, compact QFN 4mmx4mm package that offers
low phase noise and low power consumption.

Wideband Performance

POUT +4dBm Typ.

External Resonator Not Required

Single Bias Supply: +5V at 55mA


Optimum Technology
Matching® Applied
GaAs HBT

Output Phase Noise: -93dBc/Hz
at 100kHz
Low Profile 4mmx4mm QFN
Package
Applications
GaAs MESFET
InGaP HBT

SiGe BiCMOS
Si BiCMOS

SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
Military - Radar, Communications, ECM/IED
Satcomm - Communication
Modems

Test Instrumentation

Industrial/Medical Equipment
InP HBT
RF MEMS
LDMOS
Parameter
Min.
Specification
Typ.
Max.
Frequency of Operation
8.0
12.0
4.75
5.00
5.25
Supply Voltage (VS)
Supply Current
40
55
70
Tuning Voltage (Vtune)
0
13
Tuning Sensitivity
565
Output Power
2
4
Output Phase Noise at 10kHz
-66
Output Phase Noise at 100kHz
-93
2nd Harmonic
-20
Frequency Pushing
90
Frequency Pulling (2:1 VSWR)
7
RF Output Return Loss
8
Frequency Drift Rate
-0.7
Vtune port input capacitance
4
Thermal Resistance
75
Test Conditions: VS =5V, Freq=8GHz to 12GHz, T=25°C unless noted otherwise
Unit
GHz
V
mA
V
MHz/V
dBm
dBc/Hz
dBc/Hz
dBc
MHz/V
MHz pp
dB
MHz/°C
pF
°C/W
Condition
Recommended operating range.
junction to paddle
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.
DS110829
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
www.BDTIC.com/RFMD
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RFVC1800
Absolute Maximum Ratings
Parameter
Device Operating Voltage (VS)
Rating
Unit
5.5
V
0 to +15
V
730
mW
Operating Temperature Range
-40 to +85
°C
Storage Temperature Range
-65 to +150
°C
+140
°C
Vtune (Vt)
Power Dissipation at T=85°C
(Derate 13.3mW/°C above T=85°C)
Operating Junction Temperature (TJ)
ESD Rating - Human Body Model
(HBM)
Caution! ESD sensitive device.
Exceeding any one or a combination of the Absolute Maximum Rating conditions may
cause permanent damage to the device. Extended application of Absolute Maximum
Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied.
RoHS status based on EUDirective2002/95/EC (at time of this document revision).
The information in this publication is believed to be accurate and reliable. However, no
responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any
infringement of patents, or other rights of third parties, resulting from its use. No
license is granted by implication or otherwise under any patent or patent rights of
RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice.
Class 1A
Typical Evaluation Board Performance (VS =5.0V unless otherwise noted)
Supply Current versus Vtune
66
64
62
Current
(mA)
60
58
56
54
Trace 1, +25°C
Trace 2, -40°C
52
Trace 3, +85°C
50
0
1
2
3
4
5
6
7
8
9
10
11
12
13
Vtune (V)
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7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
www.BDTIC.com/RFMD
DS110829
RFVC1800
Typical Evaluation Board Performance (VS =5.0V Unless otherwise noted)
Phase Noise at 10kHz offset versus Frequency
-20
-30
-40
-50
Phase
Noise
(dBc/Hz)
-60
-70
-80
-90
T=-40C
-100
T=25C
-110
T=85C
-120
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
Frequency (GHz)
Modulation Sensitivity versus Frequency
Pushing versus Frequency
140
1000
900
120
800
Mod
Sense
(MHz/V)
100
700
Pushing
(MHz/V)
600
80
500
60
400
300
40
T=-40C
200
T=-40C
T=25C
100
20
T=85C
T=25C
T=85C
0
8.0
8.5
9.0
9.5
10.0
Frequency (GHz)
DS110829
10.5
11.0
11.5
12.0
0
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
Frequency (GHz)
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
www.BDTIC.com/RFMD
3 of 7
RFVC1800
Pin Out
Pin
1-3, 5-11, 13, 17-24
4
12
14, 16
15
Paddle
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Function
NC
VTUNE
VS
GND
RFOUT
GND
Description
No internal connection. Connect to PCB ground.
VCO control voltage input.
Supply voltage input for the VCO and Buffer stage.
Pin internally bonded to package paddle. Connect to PCB ground.
VCO RF output. Pin is internally DC-blocked.
Exposed paddle on backside needs to be soldered to PCB ground.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
www.BDTIC.com/RFMD
DS110829
RFVC1800
Evaluation Board
Item
Description
U1
RFVC1800
C1
CAP, 1000pF, 0402
C2
CAP, 4.7uF, TANT-A
C3
CAP, 22uF, TANT-D
R1
Jumper, 0 , 0402
P1
CONN, HDR, ST, PLRZD, 4-Pin, 0.100”
J1
CONN, SMA, END LAUNCH
Evaluation Board Layout
DS110829
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
www.BDTIC.com/RFMD
5 of 7
RFVC1800
Package Drawing.
Notes:
1.
2.
3.
4.
Dimensions in mm.
Dimensions are for reference only.
Package body material: Alumina.
Lead and paddle plating: Au, 30u" minimum.
Recommended PCB Layout
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7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
www.BDTIC.com/RFMD
DS110829
RFVC1800
Ordering Information
Part Number
DS110829
Description
RFVC1800S2
2 piece sample bag
RFVC1800SB
5 piece bag
RFVC1800SQ
25 piece bag
RFVC1800SR
100 pieces on 7” reel
RFVC1800TR7
750 pieces on 7” reel
RFVC1800TR13
2500 pieces on 13” reel
RFVC1800PCK-410
Populated evaluation board with 2 piece sample bag
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
www.BDTIC.com/RFMD
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