The Communications Edge TM
ML401
1.7–2.2 GHz High IP3 Mixer with Integrated LO Amp
Product Information
Product Features
Product Description
Functional Diagram
• High dynamic range mixer with
The ML401 high linearity upconverter or downconverter
combines passive GaAs MESFET mixer with an
integrated HBT LO driver in low-cost lead-
free/green/RoHS-compliant SOIC-8 package. WJ’s
ML401 uses patented techniques to realize +31 dBm Input
IP3 with 8 dB conversion loss using an LO drive level of 0
dBm in a downconverting application. The on-chip
diplexer in the mixers allows for good matching on the RF
and IF ports. The dual-stage LO driver provides a stable
input power level into the mixer to allow for consistent
performance over a wide range of LO power levels.
LO
1
RF
8
7
6
5
integrated LO driver
a
a
GND
• +31 dBm Input IP3
2
3
GND
Vcc1
• 8 dB Conversion Loss
• RF: 1700 – 2200 MHz
• LO: 1550 – 2150 MHz
• IF: 50 – 250 MHz
• 0 dBm Drive Level
• RoHS-compliant SOIC-8 pkg
GND
IF
Vcc2
4
The backside paddle is Ground.
Typical applications include frequency up/down
conversion, modulation and demodulation for receivers and
transmitters used in 2.5G and 3G GSM/CDMA/W-CDMA
systems in the DCS, PCS, or UMTS frequency bands.
Applications
• 2.5/3G GSM/CDMA/WCDMA
• DCS/PCS-band Mobile
Infrastructure
Specifications (1)
Parameter
Units
MHz
MHz
MHz
dB
dBm
dBm
dB
Min
Typ
1700 – 1800
1550 – 1750
50 – 150
8.2
+31
+17
9
Max
Min
Typ
1800 – 2000
1600 – 1950
50 – 250
8.2
+30
+19
8
Max
Min
Typ
2000 – 2200
1750 – 2150
50 – 250
8.2
+30
+20
8
Max
RF Frequency Range
LO Frequency Range
IF Frequency Range
SSB Conversion Loss
Input IP3 (2)
9
+28
Input P1dB
LO – RF Isolation (3)
LO – IF Isolation (3)
RF – IF Isolation
dB
dB
27
19
27
20
27
21
Return Loss: RF Port
Return Loss: IF Port
Return Loss: LO Port
LO Drive Level
Operating Supply Voltage
Operating Current (4)
dB
dB
dB
dBm
V
16
25
15
0
+5
102
16
25
15
0
+5
105
16
25
15
0
+5
110
-2.5
2.5
-2.5
85
2.5
-2.5
2.5
mA
135
1. Min / max limits are tested for the mixer in downconverting application with a low-side LO at 0 dBm at 25 °C with RF/IF = 1800/50, 2000/50, and 1800/200 MHz.
2. IIP3 is measured with Δf = 1 MHz with RFin = 0 dBm / tone.
3. LO is injected with 0 dBm.
4. This refers to the operating current under LO drive. The current can be reduced by increasing the value of the R2 resistor slightly.
Absolute Maximum Rating
Parameter
Rating
Ordering Information
Operating Case Temperature
Storage Temperature
DC Voltage
-40 to +85 °C
-55 to +150 °C
+5.5 V
Part No. Description
1.7–2.2 GHz High IP3 Mixer w/ Integrated LO Amp
ML401-G
ML401-PCB Full Assembled Evaluation Board
LO Power
Input IF / RF Power
+10 dBm
+20 dBm
(lead-free/green/RoHS-compliant SOIC-8 package)
Operation of this device above any of these parameters may cause permanent damage.
Specifications and information are subject to change without notice
Page 1 of 4 June 2006
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
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