Optical Transceiver Sensitivity, Adsorptive Low Pass Filter
FL7B5B Series
1.0 Description
These filters are manufactured with distributed passive elements in a surface
mountable BGA 4 and 6-pin packages. They perform an absorptive, low pass func-
tion that attenuates high frequencies with low phase dispersion. The high band-
width BGA surface mount construction creates a high performance filter that is eas-
ily placable which aids in your manufacturability. This filter can be used in applica-
tions from loss emulation to adjusting receiver sensitivities.
Specification subject to change - Please call factory.
2.0 Electrical
2520
A
O
1
2
I
In
1
2
B
C
Type
Function
Order
Reference Impedance
Fo Cutoff Freq (-3dB)
Fo Cutoff Tolerance
Return loss
Rejection
Group delay ripple (Max)
Rated current
Isolation resistance
Operating temperature
Storage temperature
1210
A
Out
B
Absorptive Low Pass
Bessel
7th
50 ohm
6.0 to 10.0 GHz in 0.5 GHz steps
Fo (-3dB) ± 5% Fo (i.e: 6.0 ± 0.3 GHz , 10.0 ± 0.5 GHz)
(S11) <12 dB through Fo
(S22) <10 dB through Fo
-10 dB through twice Fc
20 ps Max
100 mA
>100 Mohm @ 50 Vdc
-40°C to +85°C
-55°C to +125°C
Typical Performance for a 10.0 GHz Product:
R
R
EG
I
S
TERE
EG
I
S
TERE
D
ISO9001 ISO14001
A4
303
Manufacturer(s) of the products described on this page are indicated by their respective logos.
D
A8
561
11
Optical Transceiver Sensitivity, Adsorptive Low Pass Filter (Continued)
FL7B5B Series
Specification subject to change - Please call factory.
Application Schematic
3.0 Mechanical
0
>
1.27
1.27
2.54
3.81
5.08
-Please refer to page 43 for land pattern
6.35 ±0.20
5.08
>
>
>
0
0.62
5.08
±0.20
>
0.711 (28mil.) Dia.
0.076
2.50±0.20
1.89
2.50
1.20 Max
>
3.20 ±0.20
>
>
2.54
>
>
>
>
0.076
0.80 Max
>
2520
dimension mm
1210
4.0 Part Number
FL
7B
5
B
*
***
Product designator
Filter order/return function (B = absorptive)
Impedance (5 = 50 ohm)
Filter function (B = Bessel)
Footprint (H = 6 pin; C = 4 pin)
Cutoff frequency (-3dB)
Frequency Designator
6.0 GHz
060
6.5 GHz
065
7.0 GHz
070
7.5 GHz
075
8.0 GHz
080
Frequency Designator
8.5 GHz
085
9.0 GHz
090
9.5 GHz
095
10.0 GHz
100
S
Serial code (S - Single ended), (D = Differential)
R
R
EG
I
S
TERE
EG
I
S
TERE
ISO9001 ISO14001
A4
303
A8
561
Manufacturer(s) of the products described on this page are indicated by their respective logos.
12
>
D
0.305mm(12mil)
D
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