Available on Tape
and Reel for Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 411-6596
+44 2392-232392
Model BD2425NnRF Rev B
Ultra Low Profile 0404 Balun
For nRF24L01 and nRF24L01+
(Anaren Application Note Ann-3001)
Description
The BD2425NnRF is a low cost, low profile sub-miniature unbalanced to
balanced transformer designed for differential inputs and output, tuned to provide
optimal performance in tandem with the Nordic Semiconductor nRF24L01 and
nRF24L01+. The BD2425NnRF is ideal for high volume manufacturing and delivers
higher performance than a discrete implementation. The BD2425NnRF has an
unbalanced port impedance of 50& and matched balanced port impedance when
used in the specified matching network, which is the conjugate match of the
nRF24L01 and nRF24L01+ devices. This transformation enables single ended
signals to be applied to differential ports on the nRF24L01 and nRF24L01+. The
BD2425NnRF is available on tape and reel for pick and place high volume
manufacturing.
Detailed Electrical Specifications:
Specifications subject to change without notice.
ROOM (25?/DIV>
??/DIV>
癈)
Parameter
Min.
Typ.
Max
Unit
Frequency
2400
2525
MHz
Unbalanced Port Impedance**
50
Balanced Port Impedance**
Matched
Return Loss**
10.2
dB
Insertion Loss* **
1.25
dB
Power Handling
1
Watts
Features:
" 2400 2525 MHz
" 0.57 mm Height Profile
" Matched to Nordic Semiconductor
nRF24L01 and nRF24L01+
" Low Insertion Loss
" Surface Mountable
" Tape & Reel
" Non-conductive Surface
" RoHS Compliant
Operating Temperature
-55
+85
篊
* Insertion Loss stated at room temperature (Insertion Loss is approximately 0.1 dB higher at +85 篊)
** Stated performance assumes proper matching network found in application note: Ann-3001
Outline Drawing
Mechanical Outline
Dimensions are in Inches [Millimeters]
Tolerances are Non-Cumulative
Bottom View (Far-side)
Side View
Top View (Near-side)
Unbalanced Port
GND / DC Feed
+ RF GND
4
3
Designation
Pin
1
2
1
2
3
4
Balanced Port
.041
?004
[1.05
?.10
]
.041
?004
[1.05
?.10
]
.022?/SPAN>.001
[0.57
?.03
]
.020 [0.50]
.020 [0.50]
Balanced Port
3x.010
[0.25]
3x.010
[0.25]
0.12 [0.30]
.012 [0.30]
发布紧急采购，3分钟左右您将得到回复。
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