MD59-0021 M/A-COM, Inc., MD59-0021 Datasheet - Page 2

• Manufacturer Part Number: MD59-0021
• Description: Downconverter IIP3 LNA: Fixed Gain; Lo-rf ISOlation 50 DB.
• Manufacturer: M/A-COM, Inc.

Specifications subject to change without notice.
Visit www.macom.com for additional data sheets and product information.
Sample Board Schematic
Pin Configuration
1. Saw filter characteristics to be determined by customer, depending on band of operation. Sample boards are supplied with 3 dB pi pad installed in
PIN No.
PCS CDMA LNA / Downconverter, 1.8—2.0 GHz
North America: Tel. [phone], Fax [phone]
Asia/Pacific: Tel.[phone], Fax [phone]
Europe: Tel. [phone], Fax[phone]
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
place of saw filter, to emulate typical worst case loss. Data supplied with sample board is measured over US PCS1900 Rx Band.
LNA V
LNA SRC Source of LNA output stage FET. RF bypassing
LNA V
IF Match
LNA Out
RFA V
LO V
IF BYP
RFA In
LNA In
IF Out
LO In
GND
GND
GND
GND
PIN
DD
DD
DD
DD
1 LNA Stage 1 supply voltage. RF bypassing required.
2 LNA Stage 2 supply voltage. RF bypassing required.
LO Amplifier Supply Voltage. RF bypassing required.
Local Oscillator Input (-10 to -7 dBm) (DC blocked)
DC and RF ground
IF Output and Downconverter - must be externally
matched to input impedance of IF Filter.
Matching between I FA and Mixer - requires an inductor
to ground.
DC and RF ground
RF Input to LNA. External matching required.
required. Off-chip resistor may be used to increase IP
50 ==Output of LNA. (DC Blocked)
DC and RF ground.
IF Bypass of Mixer. Required DC block and RF/IF
ground.
DC and RF ground
RFA supply voltage. RF bypassing required.
50 ==Input of RFA. (DC blocking required)
Description
3
.
Block Diagrams
LNA V
IF MATCH
LO V
IF OUT
LO IN
GND
LNA IN
GND
DD
DD
1
1
MD59-0021
J1
LNA V
LNA SRC1
LNA OUT
RFA IN
RFA V
IF BYP
GND
GND
DD
DD
2
V 2.0