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參數(shù)資料
| 型號(hào)： | TDA5630BT |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 9 V VHF and UHF mixer/oscillator for TV and VCR cable tuners |
| 中文描述： | 2-BAND, VIDEO TUNER, PDSO16 |
| 封裝： | 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SOP-16 |
| 文件頁(yè)數(shù)： | 10/28頁(yè) |
| 文件大?。?/td> | 252K |
| 代理商： | TDA5630BT |
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1996 Mar 21
10
Philips Semiconductors
Product specification
9 V VHF, hyperband and UHF
mixer/oscillator for TV and VCR 3-band tuners
TDA5630;
TDA5631
Fig.4 Gain measurement in band A.
Z
in
(AIN)
>>
50
=> V
i
= 2
×
V
meas
.
V
i
= V
meas
+ 6 dB.
V
o
= V’
meas
+ 15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
G
v
= 20 log (V
o
/V
i
) = 20 log (V’
meas
/V
meas
) + 9.4 dB.
handbook, full pagewidth
MGD264
signal
source
V
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
meas
V'
RMS
voltmeter
spectrum
analyzer
TR
N1/N2 = 5
Fig.5 Input circuit for optimum noise figure in band A.
(a) For f
RF
= 50 MHz:
mixer A frequency response measured = 57 MHz, loss = 0 dB
image suppression = 16 dB
C1 = 9 pF
C2 = 15 pF
L1 = 7 turns (diam. = 5.5 mm, wire diam. = 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 f
RF
= 180 MHz:
mixer A frequency response measured = 150.3 MHz, loss = 1.3 dB
image suppression = 13 dB
C3 = 5 pF
C4 = 25 pF
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
plug
BNC
BNC
RIM-RIM
I1
C4
C3
PCB
RIM-RIM
I3
I2
(a)
(b)
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| TDA5631 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:9 V VHF, hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners |
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