TDA5630 Philips Semiconductors, TDA5630 Datasheet - Page 12

• Manufacturer Part Number: TDA5630
• Description: 9 V VHF/ hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1996 Mar 21
handbook, full pagewidth
handbook, full pagewidth
9 V VHF, hyperband and UHF
mixer/oscillator for TV and VCR 3-band tuners
Loss of the hybrid: 0.8 to 1 dB depending on frequency.
V
V
G
Loss of the hybrid: 0.8 to 1 dB depending on frequency.
NF = NF
i
o
v
= V
= V’
= 20 log (V
meas
meas
meas
+ 15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
e
loss of the hybrid.
o
/V
loss of the hybrid.
50
i
) = 20 log (V’
V
meas
signal
source
SOURCE
NOISE
voltmeter
meas
V
RMS
/V
meas
50
50
Fig.9 Noise figure measurement in bands B and C.
) + 15.4 dB + loss of the hybrid.
50
Fig.8 Gain measurement in bands B and C.
A
B
HYBRID
A
B
HYBRID
C
D
C
D
BIN1
(CIN1)
BIN2
(CIN2)
V i
D.U.T.
12
BIN1
(CIN1)
BIN2
(CIN2)
IFOUT1
IFOUT2
D.U.T.
IFOUT1
IFOUT2
N1/N2 = 5
turns
2 x 5
V
o
turns
2 x 5
TR
TR
2
turns
N1/N2 = 5
2
turns
METER
NOISE
V' meas
MBH049
Product specification
spectrum
50
MBH048
analyzer
TDA5630;
TDA5631