TDA5636BT PHILIPS [NXP Semiconductors], TDA5636BT Datasheet - Page 13
TDA5636BT
Manufacturer Part Number
TDA5636BT
Description
9 V VHF hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.TDA5636BT.pdf
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Philips Semiconductors
1996 Dec 02
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9 V VHF hyperband and UHF mixer/oscillator for
TV and VCR 3-band tuners
V
Voltage gain for band B and C = 20log
loss
Loss of the hybrid: 1 dB.
NF = NF
i
= V
(hybrid)
meas ;
meas
= 1 dB.
V
e
o
= V’
loss of the hybrid.
50
meas
V
meas
signal
source
50
------------------ -
SOURCE
50
+
voltmeter
NOISE
V
27
RMS
+ 15.4 dB (transformer ratio
50
50
V
----- -
V
Fig.9 Noise figure measurement in bands B and C.
o
i
50
+ loss
Fig.8 Gain measurement in bands B and C.
V
i
(hybrid).
A
B
HYBRID
A
B
HYBRID
C
D
C
D
N1
------- -
N2
CIN1
CIN2
and transformer loss).
D.U.T.
13
RFB
(RFC)
RFB
(RFC)
IFOUT1
IFOUT2
D.U.T.
out
out
IF
IF
N1/N2 = 5
turns
2 x 5
V
o
2 x 5
turns
TR
TDA5636B; TDA5637B
TR
2
turns
N1/N2 = 5
2
turns
METER
NOISE
V'
27
MBH049
meas
Product specification
spectrum
50
MGC506
analyzer
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