Data Sheet
Part Number 854667
70 MHz SAW Filter
Electrical Specifications (1)
Operating Temperature: (2) +25
oC
Parameter Minimum Typical Maximum Unit
Center Frequency 69.8 70 70.2 MHz
Insertion Loss at FO - 12.5 13 dB
1 dB Bandwidth 13.35 13.55 - MHz
3 dB Bandwidth 14 14.45 - MHz
40 dB Bandwidth - 19.5 20.25 MHz
Passband Ripple
63.7 - 76.3 MHz
-
0.7
1
dB
Phase Linearity
63.7 - 76.3 MHz
-
9
11.5
deg
Group Delay Variation
63.7 - 76.3 MHz
-
65
90
nsec
Absolute Delay - 1.07 - µsec
Temperature Coefficient - -94 - ppm/ oC
Source Impedance (3) - 50 -
Ω
Load Impedance (3) - 50 -
Ω
Notes:
1. All specifications are based on the test circuit shown below
2. All specifications are tested at room temperature only
3. This is the optimum impedance in order to achieve the performance shown
Test Circuit:
Actual matching values may vary due to PCB layout and parasitics
50 Ω
Single-ended
Input
1,2,3,4,6,
7,8,9,10,12
11 5
50 50
ΩΩ
100nH 120nH
50 Ω
Single-ended
Output
Subject to change or obsolescence without notice Rev - 14-Mar-2005 Page 2 of 5