TDA5630T PHILIPS [NXP Semiconductors], TDA5630T Datasheet - Page 10

• Manufacturer Part Number: TDA5630T
• Description: 9 V VHF, hyperband and UHF mixer/oscillator for TV and VCR 3-band tuners
• Manufacturer: PHILIPS [NXP 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
Z
V
V
G
(a) For f
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
in
i
o
v
= V
= V’
= 20 log (V
(AIN)
meas
meas
RF
+ 6 dB.
= 50 MHz:
+ 15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
BNC
50
o
/V
L1
i
) = 20 log (V’
=> V
C1
e
i
= 2
50
V
meas
V
meas
meas
C2
signal
source
/V
.
(a)
meas
I1
voltmeter
Fig.5 Input circuit for optimum noise figure in band A.
V
RMS
) + 9.4 dB.
96 pF/m).
RIM-RIM
50
Fig.4 Gain measurement in band A.
PCB
plug
V
i
GND
AIN
D.U.T.
10
(b) For f
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
out
out
IF
IF
BNC
RF
= 180 MHz:
V
C3
o
turns
2 x 5
TR
C4
N1/N2 = 5
I2
2
turns
I3
V'
(b)
meas
RIM-RIM
96 pF/m).
spectrum
50
MGD264
MBE286 - 1
analyzer
PCB
plug
Product specification
TDA5630;
TDA5631