HMC990LP4E Datasheet, PDF (15/24 Pages) Hittite Microwave Corporation – BROADBAND HIGH IP3 DUAL CHANNEL DOWNCONVERTER

HMC990LP4E
v00.0312
BROADBAND HIGH IP3 DUAL CHANNEL DOWNCONVERTER,
0.7 - 3.5 GHz
Pin Descriptions (continued)
Pin Number
Function
Description
Interface Schematic
12,19
IFA2_EN,
IFA1_EN
Enable pins for IF Amplifiers. When connected to LOW
or left unconnected, amplifiers are enabled.
For disable mode connect to HIGH.
13,14
LO_BIAS2,
LO_BIAS1
Bias control pins for LO Amplifiers. Connect to 5V
supply through 270 Ohms resistors. Refer to applica-
tion section for proper volues of resistors to adjust LO
amplifier current.
15,17
GND
These pins and package base must be connected to
RF and DC ground.
LO input of the mixer. Internally matched to 50 Ohms.
16
LO_IN
Requires off chip DC blocking capacitor.
See application circuit.
Enable for LO Amplifiers. When connected to LOW or
18
LO_EN
left unconnected, amplifiers are enabled.
For disable mode connect to HIGH.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
15
Phone: [phone] Fax: [phone] Order On-line at www.hittite.com
Application Support: Phone: [phone] or [e-mail]