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GSF71 Datasheet, PDF (1/1 Pages) Golledge Electronics Ltd – SM Monolithic Filter
SM Monolithic Filter
GSF-71
7.50
(max)
5.20
(max)
1.10
(max)
ACTUAL SIZE
Features
« Miniature SM package
« Frequencies up to 70.0MHz available
« Custom specifications available
Ordering Information
Product name + model number
eg: GSF-71 21S15A
GSF-71 21S30B
Option code X (eg GSF-71/X) denotes a custom spec.
Í· Available on T&R - 1k pcs per reel.
Í· Refer to our website for T&R and soldering details.
1.00
12
43
SOLDER PAD LAYOUT
1.10
1.40
2.54
1.40
4.50
2.20 4.10 2.20
TOP VIEW
PAD CONNECTION
1 In / Out
2 Ground
3 Out / In
4 Ground
Scale 2:1
21.4MHz Standard Specifications
Model
Number
21S7A
Centre
Frequency
(MHz)
21.400
Number Pass Band
of Poles (dB @ kHz)
2
3 ±3.75
Attenuation
Band
(dB @ kHz)
18 ±18.0
In-Band Insertion
Ripple
Loss
(dB)
(dB)
1.0
1.5
Guaranteed
Attenuation
(dB @ kHz)
50
-910 ±10
Termination
(⏲ // pF)
850 // 6.0
Operating
Temperature
Range (°C)
-20 to +60
No of
Units
1
21S7B
21S12A
21.400
21.400
4
3 ±3.75 35 ±14.0 1.0
2.5
80
2
3 ±6.0 18 ±25.0 1.0
1.5
50
-910 ±10 850 // 3.5 -20 to +60 2
(CC=15.0pF)
-910 ±10 1200 // 3.0 -20 to +60 1
21S12B
21S15A
21.400
21.400
4
3 ±6.0 35 ±20.0 1.0
2.5
80
2
3 ±7.5 15 ±25.0 1.0
1.5
50
-910 ±10 1200 // 1.5 -20 to +60 2
(CC=7.5pF)
-910 ±10 1500 // 2.0 -20 to +60 1
21S15B
21S20A
21.400
21.400
4
3 ±7.5 35 ±25.0 1.0
2.5
80
2
3 ±10.0 15 ±34.0 1.0
2.0
50
-910 ±10 1500 // 0.5 -20 to +60 2
(CC=5.0pF)
-910 ±10 1800 // 0.5 -20 to +60 1
21S20B
21S30A
21.400
21.400
4
3 ±10.0 35 ±34.0 1.0
2.5
80
2
3 ±15.0 15 ±45.0 1.0
1.5
50
-910 ±10 1800 // -1.0 -20 to +60 2
(CC=3.0pF)
-910 ±10 3000 // 0.0 -20 to +60 1
21S30B 21.400
4
3 ±15.0 35 ±50.0 1.0
2.5
80
4-pole models are supplied as two matched units.
-910 ±10 3000 // -1.5 -20 to +60 2
(CC=3.0pF)
Tel: +44 1460 256 100
02 Jan 2002
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com