參數(shù)資料
型號: TDA5630BT-T
廠商: NXP SEMICONDUCTORS
元件分類: 調(diào)諧器
英文描述: 2-BAND, VIDEO TUNER, PDSO16
封裝: 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SOP-16
文件頁數(shù): 23/24頁
文件大?。?/td> 146K
代理商: TDA5630BT-T
1996 Jun 06
8
Philips Semiconductors
Product specication
9 V VHF and UHF mixer/oscillator for TV
and VCR cable tuners
TDA5630BT
Fig.3 Gain measurement in band A.
Zin (AIN) >> 50 V i =2 × Vmeas.
Vi =Vmeas + 6 dB.
Vo =V’meas + 15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
Gv =20log
V
o
V
i
------
handbook, full pagewidth
MGD264
signal
source
V
D.U.T.
AIN
GND
IF
out
IF
out
e
50
50
50
V
o
2 x 5
turns
2
turns
i
V
meas
V'
RMS
voltmeter
spectrum
analyzer
TR
N1/N2 = 5
Fig.4 Input circuit for optimum noise figure in band A.
(a) For fRF = 50 MHz:
mixer A frequency response measured = 57 MHz, loss = 0 dB
image suppression = 16 dB
C1 = 9 pF
C2 =15pF
L1 = 7 turns (diameter = 5.5 mm, wire diameter = 0.5 mm)
l1 = semi rigid cable (RIM): 5 cm long
(semi rigid cable (RIM); 33 dB/100 m; 50
; 96 pF/m).
(b) For fRF = 150 MHz:
mixer A frequency response measured = 150.3 MHz, loss = 1.3 dB
image suppression = 13 dB
C3 = 5 pF
C4 =25pF
l2 = semi rigid cable (RIM): 30 cm long
l3 = semi rigid cable (RIM): 5 cm long
(semi rigid cable (RIM); 33 dB/100 m; 50
; 96 pF/m).
handbook, full pagewidth
MBE286 - 1
L1
C2
C1
PCB
plug
BNC
RIM-RIM
I1
C4
C3
PCB
RIM-RIM
I3
I2
(a)
(b)
相關(guān)PDF資料
PDF描述
TDA5630BTD-T 2-BAND, VIDEO TUNER, PDSO16
TDA5630BTD 2-BAND, VIDEO TUNER, PDSO16
TDA5630CTD 3-BAND, VIDEO TUNER, PDSO20
TDA5630CTD-T 3-BAND, VIDEO TUNER, PDSO20
TDA5630TD-T 3-BAND, VIDEO TUNER, PDSO20
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