EFJK1085ES [PANASONIC]
Ceramic BPF;
| 型号： | EFJK1085ES |
| 厂家： | 
PANASONIC |
| 描述： | Ceramic BPF |
| 文件： | 总1页 (文件大小：92K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Filters
10.8 MHz Ceramic filters, Chip type
Industry/Field:
Mobile communication
The industry’s first
Super small and light weight Ceramic Filter contributes to
miniaturization of PHS hand set.
• Development goals:
Desinged for applications to band-pass-filtering in
2nd IF stage of transmitting / receiving circuits in
PHS. Improves digital telecommunication quality.
• Features:
Super small and light in mass (weight)
(W2.9✕D3.7✕H1.4mm, 70mg)
Excellent group delay characteristics in the
pass-band (1µs. max.)
Stable and tough against mechanical stresses in automated
assembly thanks to the unique monolithic structure.
• Number of industrial property rights:
2 (pending)
• Construction:
• Ratings and Characteristics
Normal center frequency (fn) 10.8MHz
Alumina
Band width (3dB)
Band width (20dB)
±110kHz min.
Adhesive
±420kHz min.
37dB min.
37dB min.
4dB max.
1dB max.
1µs max.
330Ω
Piezoelectric element
Alumina
fn±600kHz
f±1200kHz
Attenuation
(Guaranteed)
Piezoelectric element
Alumina
Insertion loss
Adhesive
Ripple in pass band
Group delay deviation
Input / output impedance
Terminations
• Applications/usage examples:
• Explanation of part numbers:
1
2
3
4
5
6
7
8
9
10
11
• 2nd IF Filters for PHS
E
F
J
K
1
0
8
5
E S
Dimensions in mm
Test circuit diagram
Product code
Type
Nominal Frequency Packaging
Style
Design
No.
R1
R2
1.0±0.3
1.0±0.3
3
Shape
Rg
1
2
C
D
S
3.7±0.3
R1=R2=280Ω
S: Sweep generator (Output inpedance Rg=50Ω)
C: Frequency counter
0.3±0.3
0.3±0.3
0.3±0.3
0.3±0.3
D: Detector (Input inpedance 50Ω)
(1) Input or Output
(2) Ground
(3) Output or Input
(4) N.C.
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