HMC421QS16
/
421QS16E
v04.0810
PCS/UMTS HIGH IP3 RFIC
DOWNCONVERTER, 1.4 - 2.3 GHz
Pin Descriptions
Pin Number
1, 7, 9, 14, 16
Function
N/C
Description
Not Connected
Interface Schematic
9
MIXERS - DOWNCONVERTERS - SMT
9-6
2
LO
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.
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.
10
IF
Output of IF and bias port for amplifier. A pull up
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