SAW Components
IF Filter for Video Applications
Data Sheet
Standard
s
M
N 3958 M
58,75 MHz
Plastic package
SIP5K
Features
s
TV IF filter with Nyquist slope and sound sup-
pression
s
Constant group delay
Terminals
s
Tinned CuFe alloy
Dimensions in mm, approx. weight 1,0 g
Pin configuration
1
2
3
4
5
Input
Input - ground
Chip carrier - ground
Output
Output
Type
N 3958 M
Ordering code
B39588-N3958-M100
Marking and package
according to
C61157-A1-A15
Packing
according to
F61074-V8067-Z000
Maximum ratings
Operable temperature range
T
A
Storage temperature range
T
stg
DC voltage
V
DC
V
pp
AC voltage
–25/+65
–40/+85
12
10
˚C
˚C
V
V
between any terminals
between any terminals
2
May 08, 2001
SAW Components
IF Filter for Video Applications
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
N 3958 M
58,75 MHz
T
A
= 25 (45) ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
typ.
12,8
max.
14,3
dB
Insertion attenuation
Reference level for the
following data
α
57,08 (57,00) MHz
11,3
Relative attenuation
α
rel
Picture carrier
58,83 (58,75) MHz
Color carrier
55,25 (55,17) MHz
Sound carrier
54,33 (54,25) MHz
Adjacent picture carrier
52,83 (52,75) MHz
Adjacent sound carrier
60,33 (60,25) MHz
Lower sidelobe
45,08 ... 52,83 (45,00 ... 52,75) MHz
Upper sidelobe
60,33 ... 65,08 (60,25 ... 65,00) MHz
Reflected wave signal suppression
1,1
µs
... 6,0
µs
after main pulse
(test pulse 250 ns,
carrier frequency 57,08 (57,00) MHz)
Feedthrough signal suppression
1,2
µs
... 1,1
µs
before main pulse
(test pulse 250 ns,
carrier frequency 57,08 (57,00) MHz)
Group delay ripple
(p-p)
Impedance
at 57,08 (57,00) MHz
Input:
Z
IN
=
R
IN
||
C
IN
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
∆τ
4,8
1,8
30,0
44,0
40,0
40,0
36,0
5,8
2,8
40,0
54,0
48,0
46,0
42,0
6,8
3,8
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
42,0
48,0
—
dB
50,0
56,0
—
dB
—
—
—
60
1,2 || 8,9
0,8 || 2,7
–72
—
—
—
—
ns
kΩ || pF
kΩ || pF
ppm/K
TC
f
—
3
May 08, 2001
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