BEREX BD1926

BeRex
BD1926
Dual Band 2-Way SMT Power Divider
1700~2300MHz PCS, WCDMA & TD-SCDMA
Device Features and Description
 24.5dB Typical Isolation
 0.6dB Typical Insertion Loss
 Small Size and Low Profile
 MSL 1 moisture rating
 Lead-free/Green/RoHS compliant package
BD19XX(XX=Wafer number)
 Industry Standard SOT-26 SMT Plastic Package
 Chip is fully passivated for enhanced performance and reliability
Electrical specifications
Parameters
Unit
Min
Typ
Max
Frequency Range
MHz
1700
Insertion Loss
dB
Isolation
dB
IRL(S11)
dB
-16.0
-11.5
ORL(S22,S33)
dB
-24.0
-19.5
Amplitude Balance
dB
0.1
0.2
Phase Balance
deg
1.5
2.0
2300
0.6
16.5
0.8
24.5
All specifications apply with the following test conditions,
1. Device performance is measured on BeRex evaluation board at 25C, 50 ohm system
2. Insertion Loss: Above 3.0dB
Absolute Maximum Ratings
Parameters
Input Power
Storage Temperature
Operating Temperature
Rating
1W CW
-55 to +155C
-40C to +85C
Operation of this device above any of these parameters may result in permanent damage.
http: //www.berex.com
BeRex
BD1926
Evaluation Board Drawing
Function Block Diagram
Pins 2,4 and 6 must be DC and RF grounded.
Typical Test Data
Parameters
Unit
PCS, WCDMA & TD-SCDMA
Frequency Range
MHz
1700
1800
1900
2075
2250
Insertion Loss
dB
0.51
0.51
0.55
0.63
0.76
Isolation
dB
20.1
22.5
24.8
21.6
16.8
IRL(S11)
dB
-17.4
-17.1
-16.3
-14.1
-11.9
ORL(S22,S33)
dB
-24.9
-25.0
-24.4
-22.7
-19.9
Phase Diff.
deg
1.4
1.5
1.5
1.5
1.4
Amplitude Balance
dB
0.04
0.07
0.07
0.06
0.04
Insertion Loss vs. Frequency
Isolation vs. Frequency
0
-2
-3
-4
-5
-10
-15
-20
-5
-25
-6
-30
1700 1800 1900 2000 2100 2200 2300
Freq [MHz]
Isolation
Isolation[dB]]
Insertion Loss [dB]
-1
0
S21
1700 1800 1900 2000 2100 2200 2300
Freq [MHz]
http: //www.berex.com
BeRex
BD1926
IRL vs. Frequency
ORL vs. Frequency
0
0
S11
-5
-10
-10
ORL[dB]
IRL[dB]
-5
S22
-15
-20
-15
-25
-20
1700 1800 1900 2000 2100 2200 2300
Freq [MHz]
-30
1700 1800 1900 2000 2100 2200 2300
Freq [MHz]
http: //www.berex.com
BeRex
BD1926
Suggested PCB Land Pattern and PAD Layout
PCB Land Pattern
PCB Mounting
Ø0.8
2.3
0.4
0.9
0.65
2.2
Ø0.8
Note : All dimension are in millimeters
Visit http://www.berex.com for PCB layout
Lead plating finish
100% Tin Matte finish.
(All BeRex products undergoes a 1 hour, 150 degree C, Anneal bake to eliminate thin
whisker growth concerns)
MSL / ESD Rating
MSL Rating:
Standard:
Level 3 at +265C convection reflow
JEDEC Standard J-STD-020
NATO CAGE code:
2
N
9
6
F
NOTICE
BeRex Corporation reserves the right to make changes of product specification or to
discontinue product at any time without notice.
http: //www.berex.com