RFVC1821 Datasheet, PDF (4/6 Pages) RF Micro Devices – Low Noise MMIC VCO with Buffer Amplifier

RFVC1821
Pin Names and Descriptions
Pin
Name
Description
1-14
N/C
No internal connection. Connect to PCB ground.
15
GND
Connect directly to PCB ground for best performance.
Interface Schematic
16
RFOUT
RF out. This pad is AC coupled and matched for optimum POUT. A
50Ω termination is recommended for this pin.
17-19
20
21
22
23-24
PKG BASE
N/C
VCC
N/C
No internal connection. Connect to PCB ground.
Connect 3V to power both the oscillator core and the buffer
amplifier.
No internal connection. Connect to PCB ground.
VTUNE
Direct connection to the varactor diodes used to vary the frequency
of oscillation.
N/C
GND
No internal connection. Connect to PCB ground.
Ground connection. Solder package bottom directly to ground
plane for best performance.
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
DS140501
For sales or technical support, contact RFMD at +1.336.678.5570 or [e-mail].
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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