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Model BD1222J50200AHF
Rev A
Ultra Low Profile 0805 Balun
50Ω to 200Ω Balanced
Description
The BD1222J50200AHF is a low profile sub-miniature balanced to
unbalanced transformer designed for differential inputs and output locations on next
generation wireless chipsets in an easy to use surface mount package covering the
DCS, PCS, UMTS and CDMA frequencies. The BD1222J50200AHF is ideal for high
volume manufacturing and is higher performance than traditional ceramic and
lumped element baluns. The BD1222J50200AHF has an unbalanced port
impedance of 50 and a 200 balanced port impedance. This transformation
enables single ended signals to be applied to differential ports on modern
semiconductors. The output ports have equal amplitude (-3dB) with 180 degree
phase differential. The BD1222J50200AHF is available on tape and reel for pick and
place high volume manufacturing.
Detailed Electrical Specifications: Specifications subject to change without notice.
ROOM (25C)
Parameter Min. Typ. Max Unit
Frequency 1200 2200 MHz
Unbalanced Port Impedance 50 Ω
Balanced Port Impedance 200 Ω
Return Loss 14 18 dB
Insertion Loss* 0.4 0.6 dB
Amplitude Balance 0.4 0.9 dB
Phase Balance 2 6 Degrees
CMRR 30 dB
Power Handling 2 Watts
Features:
1200 – 2200 MHz
0.7mm Height Profile
50 Ohm to 2 x 100 Ohm
DCS/PCS/UMTS/CDMA
Low Insertion Loss
Input to Output DC Isolation
Surface Mountable
Tape & Reel
Non-conductive Surface
RoHS Compliant
Halogen Free
Operating Temperature -55 +85
ºC
* Insertion Loss stated at room temperature (Insertion Loss is approximately 0.1 dB higher at +85 ºC)
Outline Drawing
Mechanical Outline
-Dimensions are in Millimeters
2.04±0.10
1.29±0.10
0.68±0.07
1 2
3
6
5
6x
0.30
6x
0.22
4x 0.65
6x 0.98
Orientation Marker
Denotes Pin Location
4
Orientation Marker
Denotes Pin Location
TOP VIEW (Near Side) SIDE VIEW
BOTTOM VIEW (Far Side)
5
4
2
1
6
3
Pin
Balanced Port
GND
NC
Balanced Port
GND/DC Feed
Unbalanced Port
Designation
2x 0.15
4x 0.37
+RF GND
