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RFVC1838 Schematic ( PDF Datasheet ) - RF Micro Devices

Teilenummer RFVC1838
Beschreibung InGaP MMIC VCO
Hersteller RF Micro Devices
Logo RF Micro Devices Logo 




Gesamt 10 Seiten
RFVC1838 Datasheet, Funktion
RFVC1838
11.57GHz to 12.70GHz MMIC VCO with
Fo/2 and Fo/4 Outputs
RFMD's RFVC1838 is a 5V InGaP MMIC VCO with an integrated
frequency divider providing additional Fo/2 and Fo/4 outputs. With an Fo
frequency range of 11.57GHz to 12.70GHz its monolithic structure
provides excellent temperature, shock, and vibration performance.
Output power (Fo) is +8dBm and is flat across the tuning voltage range
of 1.5V to 14.5V. Phase noise is typically -113dBc/Hz at 100kHz offset.
The device operates from a low supply current of 270mA which can be
further reduced to 210mA by disabling the divider functions if not
required. The RFVC1838 is available in a low cost 5mm x 5mm surface
mount plastic overmolded QFN outline.
RFVC1838
Package: Plastic QFN, 32-pin,
5mm x 5mm x 0.85mm
Features
Multiple Frequency Outputs
Fo: 11.57GHz to 12.70GHz
Fo/2: 5.79GHz to 6.35GHz
Fo/4: 2.89GHz to 3.18GHz
No External Resonator Required
Integrated Frequency Divider
Phase Noise: -113dBc/Hz at
100kHz Offset
Flat Output Power Over Frequency
Tuning Range 1.5V to 14.5V
Fo: 8dBm
Fo/2: 8dBm
Fo/4: -2dBm
Low Power Consumption
5V/270mA (Divider On)
5V/210mA (Divider Off)
32-Lead 5mm x 5mm Plastic
Overmolded QFN
Functional Block Diagram
Ordering Information
RFVC1838S2
Sample bag with 2 pieces
RFVC1838SB
Sample bag with 5 pieces
RFVC1838SQ
Bag with 25 pieces
RFVC1838SR
Bag with 100 pieces
RFVC1838TR7
7" Reel with 750 pieces
RFVC1838PCBA-410 Evaluation Board
Applications
Point-to-Point Radio
Point-to-Multipoint Radio
Satellite Communications
Test Equipment
Military
Aerospace
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
DS140428
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
RF MICRO DEVICES® and RFMD® 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. ©2013, RF Micro Devices, Inc.
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RFVC1838 Datasheet, Funktion
RFVC1838
Pin Names and Descriptions
Pin Name
Description
1-3 N/C No internal connection.
4
RFOUT/4
VCO RF output at Fo/4. Externally DC-blocked.
5
GND
Connect to PCB ground.
6
VCC_DIG
Supply voltage input for the integrated frequency divider. Typical
+5V. Ground this pin to disable digital divider and reduce current
consumption by 65mA.
Interface Schematic
5V
RFOUT/4
GND
VCC_DIG
7-10
11
12
N/C
GND
RFOUT/2
No internal connection.
Connect to PCB ground.
VCO RF output at Fo/2. Internally DC-blocked.
13-18
19
N/C
RFOUT
No internal connection.
VCO RF output at Fo. Internally DC-blocked.
20 N/C No internal connection.
21 VCC_OSC Supply voltage input for the VCO. Typical +5V.
See Pin 5 interface schematic
RFOUT/2
RFOUT
VCC_OSC
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
DS1404281
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
The information in this publication is believed to be accurate. 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.
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