參數(shù)資料
型號(hào)： TB1254N
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝： 0.600 INCH, PLASTIC, SDIP-56
文件頁(yè)數(shù)： 17/58頁(yè)
文件大?。?/td> 526K
代理商： TB1254N
Ver3.7
00/01/28 24
AC CHARACTERISTIC
PIF STAGE
ITEM
SYMBOL
TEST
CIRCUIT
TEST
CONDITON
MIN
TYP
MAX
UNIT
PIF input sensitivity
vin min(p)
-
42
47
PIF maximum input signal
vin max(p)
-
100
105
-
dB
V
PIF gain control range
RAGC(p)
-
P1
53
63
-
dB
RF AGC maximum output voltage
VAGC max
-
RF AGC minimum output voltage
VAGC min
-
P2
--
0.3
V
RF AGC delay point (minimum)
v Dly min
-
70
80
RF AGC delay point (maximum)
v Dly max
-
P3
100
110
-
dB
V
PIF input resistance (*)
Zin R(p)
-
--
k
PIF input capacitance (*)
Zin C(p)
-
P4
--
pF
Differential gain
DG
-
2.0
5.0
%
Differential phase
DP
-
P5
-
2.0
5.0
deg.
Intermodulation
I M
-
P6
40
45
-
dB
Video output signal amplitude (Nega)
V Det (p)n
-
2.0
2.2
2.4
Video output signal amplitude (Posi)
V Det (p)p
P7
2.0
2.2
2.4
V
Video output S/N
S/N(p)
-
P8
50
55
-
dB
Synchronous signal level (Nega)
Vsync n
-
2.6
Synchronous signal level (Posi)
Vsync p
-
P9
2.6
V
Video bandwidth (-3dB)
fDet(p)
-
P10
6
8
-
MHz
Capture range of the PLL (Upper)
fpH(p)
-
1.5
3.5
-
Capture range of the PLL (Lower)
fpL(p)
-
-2.2
-1.5
Hold range of the PLL (Upper)
fhH(p)
-
1.5
3.5
-
Hold range of the PLL (Lower)
fhL(p)
-
P11
-
-2.2
-1.5
MHz
Control steepness of the VCO
-
P12
-
3.0
-
MHz/V
Steepness of the AFT Detection
(steep)
SAFT(S)
-
20
25
30
Steepness of the AFT Detection
(gentle)
SAFT(G)
75
100
125
kHz/V
AFT maximum output voltage
VAFT max
-
4.5
4.8
-
AFT minimum output voltage
VAFT min
-
P13
-0.2
0.5
AFT output voltage on defeating
AFT Def
-
P14
2.3
2.5
2.7
V
(*) Not tested
SIF STAGE
ITEM
SYMBOL
TEST
CIRCUIT
TEST
CONDITION
MIN
TYP
MAX
UMIT
Limiting sensitivity (4.5MHz High)
vin lim(s)4.5MH
-45
50
Limiting sensitivity (4.5MHz Low)
vin lim(s)4.5ML
-40
45
Limiting sensitivity (5.5MHz)
vin lim(s)5.5M
-
40
45
Limiting sensitivity (6.0MHz)
vin lim(s)6.0M
-
40
45
Limiting sensitivity (6.5MHz)
vin lim(s)6.5M
-
S1
-45
50
AM reduction ratio (4.5MHz High)
AMR4.5MH
-
50
55
-
AM reduction ratio (4.5MHz Low)
AMR 4.5ML
-
50
55
-
dB
AM reduction ratio (5.5MHz)
AMR5.5M
-
50
55
-
dB
AM reduction ratio (6.0MHz)
AMR6.0M
-
50
55
-
AM reduction ratio (6.5MHz)
AMR6.5M
-
S2
50
55
-
dB
AF output signal amplitude (4.5MHz
High)
vDet(s)4.5MH
-
649
927
1324
mVrms
AF output S/N AF output signal
amplitude (4.5MHz High)
S/N(s)4.5MH
-
50
55
-
dB
Total harmonics distortion AF output
signal amplitude (4.5MHz High)
THD4.5MH
-
S3
-0.5
1.0
%
AF output signal amplitude (4.5MHz
Low)
vDet(s)4.5ML
S4
350
500
710
mVrms
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