FMS6406_06 Datasheet, PDF (6/12 Pages) Fairchild Semiconductor – Precision S-Video Filter with Summed Composite Output, Sound Trap, and Group Delay Compensation

Typical Performance Characteristics
T_c = 25°C, V_i = 1V_pp, V_CC = 5V, HD/N_SD = 0, R_SOURCE = 37.5Ω, all inputs AC-coupled with 0.1μF, all outputs
are AC-coupled with 220μF into 150Ω, referenced to 400kHz; unless otherwise noted.
10
5
0
-5
-10
-15
-20
1
-25
-30
-35
-40
-45
-50 _{1 = 4.425MHz (-16.00dB)}
-55
400kHz 5
10
15
20
25
30
Frequency (MHz)
Figure 7. Modulator vs. Frequency Response
1500
1000
500
1
0
-500
-1000
-1500
-2000
-2500
1 = 4.425MHz (198.47ns)
400kHz 5
10 15 20 25 30
Frequency (MHz)
Figure 8. Delay Modulator Output
0.2
NTSC
0.1
0
-0.1
-0.2 _{Min = -0.19}
Max = 0.16
ppMax = 0.34
-0.3
1st 2nd 3rd 4th 5th 6th
Figure 9. Differential Gain, MOD_OUT
0.2
NTSC
0.1
0
-0.1
-0.2 _{Min = -0.17}
Max = 0.07
ppMax = 0.25
-0.3
1st 2nd 3rd 4th 5th 6th
Figure 10. Differential Phase, MOD_OUT
-60
-65
-70
-75
-80
-85
-90
-95
-100
0
1
2
3
4
5
Frequency (MHz)
Figure 11. Noise vs. Freq. Modulator Channel
200
Group Delay @ 3.58MHz = -178ns
150
100
50
0
-50
-100
-150
-200
0
1.0
2.0
3.0
Frequency (MHz)
4.0 4.6
Figure 12. Group Delay vs. Frequency
© 2006 Fairchild Semiconductor Corporation

FMS6406 Rev. 4.0.4
www.fairchildsemi.com