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Details, datasheet, quote on part number:21M7C
 
 
Part:21M7C
Category:Timing Circuits => Crystal Filters => Monolithic Crystal Filters
Description: 
Company:Fox Electronics
Datasheet:Download 21M7C datasheet   File size : 147 kB
Request For quote:  Find where to buy 21M7C
 



Datasheet text preview:
MONOLITHIC CRYSTAL

FILTERS
Fox filters offer excellent features such as sharp cut off characteristics, low loss and high stability over a wide temperature range which are superior to LC Filters and Ceramic Filters. The basic building block for all custom built Fox filters is the twopole monolithic filter available in standard package as shown. Twopole monolithic filters are cascaded to produce four, six and eight pole filter responses with the addition of coupling capacitors between two-pole sections. Standard Fox filters are available with center frequencies from 10.7 MHz to 90 MHz, and from two to eight poles.
For custom made filters, please specify the following: · Ripple · Holder Size · Insertion Loss · Terminating Impedance · Nominal Frequency · Attenuation · Pass Bandwidth · Spurious Response · Operating Temp. Range
Note: 45F Series 45.000 MHz fundamental is a special filter designed for mobile radio and cellular phone applications.

· MULTI-POLE PACKAGE DIMENSIONS
CASE TYPE C D CN
FILTERS

L 0.590 0.728 0.433 (15.0) (18.5) (11.0) 0.472 0.472 0.335

W (12.0) (12.0) (8.5) 0.591 0.591 0.453

H (15.0) (15.0) (11.5) 0.354 0.531 0.291

A (9.0) (13.5) (7.4) 0.197 0.197 0.157

B (5.0) (5.0) (4.0)

70 FOX Electronics

5570 Enterprise Parkway Fort Myers, Florida 33905 USA +001(239)693-0099 FAX +001(239)693-1554 http://www.foxonline.com
© 2002 FOX ELECTRONICS

· STANDARD MONOLITHIC CRYSTAL FILTERS
Type
10M7A 10M7B 10M7C 10M7D 10M12A 10M12B 10M12C 10M12D 10M15A 10M15B 10M15C 10M15D 10M20A 10M20B 16M15A 16M15B 16M15C 16M15D 21M7A 21M7B 21M7C 21M7D 21M12A 21M12B 21M12C 21M12D 21M15A 21M15B 21M15C 21M15D 21M20A 21M20B 21M30A 21M30B 45F15A 45F15B 45F20A 45F20B 45F30A 45F30B 45M15A 45M15B 45M20A 45M20B 70M15A 70M15B 70M20A 70M20B

Frequency MHz
10.700 10.700 10.700 10.700 10.700 10.700 10.700 10.700 10.700 10.700 10.700 10.700 10.700 10.700 16.900 16.900 16.900 16.900 21.400 21.400 21.400 21.400 21.400 21.400 21.400 21.400 21.400 21.400 21.400 21.400 21.400 21.400 21.400 21.400 45.000 45.000 45.000 45.000 45.000 45.000 45.000 45.000 45.000 45.000 70.000 70.000 70.000 70.000

Pole
2 4 6 8 2 4 6 8 2 4 6 8 2 4 2 4 6 8 2 4 6 8 2 4 6 8 2 4 6 8 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4 2 4

Case
49U 49Ux2 C D 49U 49Ux2 C D 49U 49Ux2 C D 49U 49Ux2 49U 49Ux2 C D HC80 HC80x2 CN CN HC80 HC80x2 CN CN HC80 HC80x2 CN CN HC80 HC80x2 HC80 HC80x2 HC80 HC80x2 HC80 HC80x2 HC80 HC80x2 HC80 HC80x2 HC80 HC80x2 HC80 HC80x2 HC80 HC80x2
Rev. 05/01/02

Pass Band d B kHz
3 3 3 3 3 3 3 6 3 3 3 6 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ±3.75 ±3.75 ±3.75 ±3.75 ±6.0 ±6.0 ±6.0 ±6.0 ±7.5 ±7.5 ±7.5 ±7.5 ±10.0 ±10.0 ±7.5 ±7.5 ±7.5 ±7.5 ±3.75 ±3.75 ±3.75 ±3.75 ±6.0 ±6.0 ±6.0 ±6.0 ±7.5 ±7.5 ±7.5 ±7.5 ±10.0 ±10.0 ±15.0 ±15.0 ±7.5 ±7.5 ±10.0 ±10.0 ±15.0 ±15.0 ±7.5 ±7.5 ±10.0 ±10.0 ±7.5 ±7.5 ±10.0 ±10.0

dB
20 40 45 65 20 40 50 65 18 40 50 65 18 40 18 40 45 65 20 40 45 65 20 40 45 65 18 40 45 65 18 40 15 40 15 30 15 40 15 40 18 40 15 35 15 25 15 35

Stop Band dB kHz
±18 ±14 ±8.75 ±8.75 ±25 ±20 ±14 ±14 ±25 ±25 ±17.5 ±17.5 ±34 ±34 ±25 ±25 ±17.5 ±17.5 ±18 ±14 ±8.75 ±9.0 ±25 ±20 ±14 ±14 ±25 ±25 ±17.5 ±17.5 ±34 ±34 ±45 ±50 ±25 ±25 ±34 ±48 ±50 ±60 ±28 ±30 ±30 ±40 ±30 ±25 ±40 ±40 65 90 65 90 65 90 65 90 65 90 65 90 65 90

kHz

Ripple Max dB
0.5 1.0

Loss Max dB
1.5 2.5 3.5 4.0 1.5 2.5 3.0 3.5 1.5 2.5 3.0 3.5 1.5 2.5 1.5 2.5 3.0 3.5 1.5 2.5 3.0 4.0 1.5 2.5 2.5 3.0 1.5 2.5 2.5 3.0 2.0 2.5 1.5 2.5 2.0 3.0 2.0 3.0 2.0 3.0 2.0 3.0 2.0 3.0 2.0 3.0 2.0 3.0

Attenuation Guaranteed d B to ±kHz
35 40 50 70 65 90 35 40 50 70 65 90 35 40 50 70 65 90 35 40 50 70 35 40 50 70 65 90 35 50 65 80 65 90 35 50 65 80 65 90 35 50 65 80 65 90 35 50 65 80 35 50 65 80 35 40 70 35 40 70 35 70 35 70 35 70 35 70 35 70 +300 ~ +1000 -200 ~ -1000 +300 ~ +1000 -200 ~ -1000 ±12.5 ~ ±300 ±12.5 ~ ±300 +300 ~ +1000 -200 ~ -1000 +300 ~ +1000 -200 ~ -1000 ±20 ~ ±300 ±20 ~ ±300 +300 ~ +1000 -200 ~ -1000 +300 ~ +1000 -200 ~ -1000 ±25 ~ ±300 ±25 ~ ±300 +300 ~ +1000 -200 ~ -1000 +300 ~ +1000 -200 ~ -1000 +300 ~ +1000 -200 ~ -1000 +300 ~ +1000 -200 ~ -1000 ±25 ~ ±300 ±25 ~ ±300 +350 ~ +1000 -200 ~ -1000 +350 ~ +1000 -200 ~ -1000 ±12.5 ~ ±300 ±12.5 ~ ±300 +350 ~ +1000 -200 ~ -1000 +350 ~ + 1000 -200 ~ - 1000 ±20 ~ ±300 ±20 ~ ±300 +350 ~ +1000 -200 ~ -1000 +350 ~ +1000 -200 ~ -1000 ±25 ~ ±300 ±25 ~ ±300 +350 ~ +1000 -200 ~ -1000 +350 ~ +1000 -200 ~ -1000 +350 ~ +1000 -300 ~ -1000 +350 ~ +1000 -300 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -300 ~ -1000 +500 ~ +1000 -300 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000 +500 ~ +1000 -200 ~ -1000

Terminating Impedance ohms/pF
1.8K//6.0 1.8K//5.0 Cc = 11pF 1.8K//5.0 1.8K//5.0 3.3K//1.5 3.3K//1.5 Cc = 6pF 3.3K//2.0 3.3K//2.0 3.0K//2.0 3.0K//2.0 Cc = 5pF 3.3K//1.5 3.3K//1.5 3.9K//1.0 3.9K//1.0 Cc = 3pF 1.8K//2.0 1.8K//1.5 Cc = 7.5pF 1.8K//1.5 1.8K//1.5 850//6.0 850//5.0 Cc = 16pF 850//5.0 850//5.0 1.2K//3.0 1.2K//2.5 Cc = 10.5pF 1.2K//2.5 1.2K//2.5 1.5K//2.0 1.5K//2.0 Cc = 8pF 1.5K//2.0 1.5K//2.0 1.8K//1.5 1.8K//1.5 Cc = 5pF 3.0K//0.5 3.0K//-0.5 Cc = 3pF 650//4.5 650//1.5 Cc = 9pF 700//2.5 700//1.5 Cc = 6.5pF 800//1.5 800//1.0 Cc = 5pF 4K//-1.0 4K//-1.0 Cc = -1pF 5K//-1.0 5K//-1.0 Cc = -1.5pF 2.0K//-1.0 2.0K//-1.0 Cc = -1pF 2.5K//-1.0 2.5K//-1.0 Cc = -1pF

±12.5 ±12.5

2.0 2.0 0.5 1.0

±20 ±20

2.0 2.0 0.5 1.0

±25 ±25

2.0 2.0 0.5 1.0 0.5 1.0

±25 ±25

2.0 2.0 0.5 1.0

±12.5 ±12.5

2.0 2.0 0.5 1.0

±20 ±20

2.0 2.0 0.5 1.0

±25 ±25

2.0 2.0 0.5 1.0 0.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0

FILTERS

All specifications subject to change without notice.

Note: Operating Temperature -20°C to +70°C

FOX Electronics

5570 Enterprise Parkway Fort Myers, Florida 33905 USA +001(239)693-0099 FAX +001(239)693-1554 http://www.foxonline.com
© 2002 FOX ELECTRONICS

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