tda5737 NXP Semiconductors, tda5737 Datasheet - Page 13

• Manufacturer Part Number: tda5737
• Description: 5 V Vhf, Hyperband And Uhf Mixers/oscillators For Tv And Vcr 3-band Tuners
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1997 Feb 24
handbook, full pagewidth
handbook, full pagewidth
5 V VHF, hyperband and UHF mixers/oscillators
for TV and VCR 3-band tuners
loss
V
V
Voltage gain for band B and C = 20 log (V
Loss of the hybrid: 1 dB.
NF = NF
i
o
= V
= V’
(hybrid)
meas
meas
meas
= 1 dB.
+ 15.4 dB (transformer ratio N1/N2 and transformer loss).
e
loss
loss of the hybrid.
(hybrid)
50
V
.
meas
signal
source
SOURCE
NOISE
voltmeter
V
RMS
50
50
Fig.10 Noise figure measurement in bands B and C.
o
50
/V
i
Fig.9 Gain measurement in bands B and C.
).
A
B
HYBRID
A
B
HYBRID
C
D
C
D
CIN1
CIN2
V i
D.U.T.
13
CIN1
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
TDA5736; TDA5737
2
turns
METER
NOISE
V' meas
MBH049
Product specification
spectrum
50
MBH048
analyzer