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odel
05   0
HF 
Rev B
 
Ultra Low Profile 1608 Balun
50 to 50 Balanced
 
 
Description
 
 
 
 
 
 
 
  The BD0205F5050AHF is a low profile sub-miniature balanced to unbalanced
transformer designed for differential input locations on data conversion devices such
as A to D and D to A converters. In an easy to use surface mount package covering
75 MHz to 1000 MHz and with CMRR performances over 2x that of the incumbent
wire wound products, this transformer is optimized to offer improved SFDR
management during operation of the data converter device. The BD0205F5050AHF
is ideal for high volume manufacturing and is higher performance and smaller form
factor than traditional wire wound transformers. The BD0205F5050AHF has an
unbalanced port impedance of 50 and a 50 balanced port impedance. This
transformation enables single ended signals to be applied to differential ports on the
data converter devices. The output ports have equal amplitude (-3dB) with 180
degree phase differential. The BD0205F5050AHF is available on tape and reel for
pick and place high volume manufacturing. 
Detailed Electrical Specifications:
 Specifications subject to change without notice. 
 
ROOM (25?/SPAN>
??/DIV>
?SPAN class="pst BD0205F5050AHF_2591984_11">C) 
 
Parameter
Min.
Typ.
Max
Min.
Typ.
Max
Unit
Frequency
70
 
1000
200
 
500
MHz
Unbalanced Port Impedance
 
50
 
 
50
 
Ohm
Balanced Port Impedance
 
50
 
 
50
 
Ohm
Return Loss
4
4.6
 
11
13
 
dB
Insertion Loss*
 
3.0
3.4
 
0.9
1.1
dB
Amplitude Balance
 
0.2
0.6
 
0.2
0.6
dB
Phase Balance
 
1
3
 
1
3
Degrees
CMRR
 
36
 
 
36
 
dB
Power Handling
 
 
2
 
 
2
Watts
 
Features:
 
" 70  1000 MHz (IL 3dB BW) 
" 200-500 MHz ( IL 1dB BW) 
" 0.83 mm Height Profile 
" 50 Ohm to 2 x 25 Ohm 
" Excellent CMRR (36dB typical)
" Input to Output DC Isolation 
" Surface Mountable 
" Tape & Reel 
" Non-conductive Top Surface 
" RoHS Compliant 
" Halogen Free 
Operating Temperature
-55
 
+85
-55
 
+85
 
* Insertion Loss stated at room temperature (Insertion Loss is approximately 0.1 dB higher at +85 篊)
Outline Drawing
 
4x .96
4x .35
4x .28
10x .30
10x .22
2x .35
Orientation
Marker
Orientation
Marker
1
2
3
4
5
8
7
6
10
2
1   Unbalanced
OPEN
Pin Designation
3
4
5
GND
GND
GND
7
6
Balanced port 1
Open
Pin Designation
8
9
10
GND
GND
Balanced port 2
.84?/SPAN>.08
4.10?/SPAN>.10
2.10?/SPAN>.10
9
Top View (Near-side)
Side View
Bottom View (Far-side)
Mechanical Outline
Dimensions are in Millimeters
相关PDF资料
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