TOKEN
LTA 450kHz~470kHz Ceramic Filters
Ceramic Filters for Radio Cassette Recorder
Ceramic Filters for Radio Cassette Recorder (LTA)
Preview ceramic filters for radio-cassette recorder LTA series are designed to address the needs of standard radio cassette recorder requirements. Recommend for use in low cost products where economically, efficient designs are critical. The nominal frequency tolerance is ±2KHz. Token LTA series ceramic filters conform to the RoHS directive. Ceramic filters for radio cassette recorder LT series can be customed designs and tighter tolerances available on request. Application of ceramic filters specific designs also available including different piezo band-pass devices and Q specifications adjusted to frequency requirements.
Version 2010
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01 of 03
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Dimensions
LTA 450kHz~470kHz Ceramic Filters
7.0 LT 465A ① Input ② Ground ③ Output 3.6
①②③ 2.5 2.5
Technical Characteristics
LT465A 0 Attenuntion (dB) 10 20 30 40 50 45 5 46 5 Frequen cy( KH z )
Part Number LT450A LT455A LT465A Center Frequency (fo)(kHz) 450±2 455±2 465±2 Insertion Loss (dB)max 3 3 3 6dB Band Spurious Width Attenuation (kHz)min (fo±100kHz)(dB)min 8 12 8 12 8 12 Selectivity ±9kHz off (dB)min 11 11 11 Pass Band Ripple (dB)max 1 1 1 Input/Output Impedance (Ω) 2 2 2
5.0
9.0
47 5
Note: Center Frequency (fo) is available in a range of 450 ~ 470kHz. The nominal frequency tolerance is ± 2kHz.
02 of 03
http://www.token.com.tw/
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Version 2010
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Test Circuit
LTA 450kHz~470kHz Ceramic Filters
R1
①
③
Rg
②
~
R2 RF V.M
S.S.G
Rg+ R1= R2=Input/Output Impedance
How to Order
LT455A Part Number Package
P
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Version 2010
http://www.token.com.tw/ rfq token.com.tw
03 of 03
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