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HMC421QS16_10 Datasheet, PDF (6/8 Pages) Hittite Microwave Corporation – PCS/UMTS HIGH IP3 RFIC DOWNCONVERTER, 1.4 - 2.3 GHz
v04.0810
HMC421QS16 / 421QS16E
PCS/UMTS HIGH IP3 RFIC
DOWNCONVERTER, 1.4 - 2.3 GHz
Pin Descriptions
Pin Number
Function
1, 7, 9, 14, 16
N/C
2
LO
Description
Not Connected
This pin is AC coupled and matched to 50 Ohm
from 1.3 - 2.5 GHz.
3, 4, 11, 12, 13
GND
Pin must connect to RF ground.
Interface Schematic
9
5
Vdd LO
Power supply for the LO amplifier. One external RF
bypass capacitor (10,000 pF) is required.
6
Vdd IF
Bias voltage for IF amplifier. One external RF bypass
capacitor (10,000 pF) is required.
8
IF Bias
DC bias setting for IF amplifier.
Output of IF and bias port for amplifier. A pull up
10
IF
inductor (L1), output matching network (C5, C6, L2),
and 10,000 pF bypass capacitor (C4) are required.
15
RF
This pin is DC coupled and matched to 50 Ohm
from 1.7 - 2.5 GHz.
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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