TDA6405A PHILIPS [NXP Semiconductors], TDA6405A Datasheet - Page 15

• Manufacturer Part Number: TDA6405A
• Description: 5 V mixer/oscillator-PLL synthesizers for hyperband tuners
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
TEST AND APPLICATION INFORMATION
1999 Jan 13
handbook, full pagewidth
handbook, full pagewidth
5 V mixer/oscillator-PLL synthesizers for
hyperband tuners
(1) N1 is 2
(2) N2 is 2 turns
Z
V
G
(1) N1 is 2
(2) N2 is 2 turns
V
V
G
i
o
i
o
v
v
>> 50
= V
= V’
= 20 log
= V’
= 20 log
meas
meas
e
meas
; V
+ 16 dB (transformer ratio
+ 16 dB (transformer ratio
V
----- -
V
V
----- -
V
i
o
50
i
o
= 70 dB V
5 turns
V
i
5 turns
i
+ 1 dB (1 dB = correction for hybrid loss)
e
= 2
V meas
signal
source
V
50
meas
; V
voltmeter
V
V meas
signal
source
RMS
i
= 80 dB V
50
voltmeter
Fig.4 Voltage gain (G
Fig.5 Voltage gain (G
50
V
N1
------- -
N2
N1
------- -
N2
RMS
=
=
5
5
V i
50
and transformer loss)
and transformer loss)
B
A
HYBRID
V i
C
D
VHFIN
v
v
D.U.T.
) measurement in the UHF band.
) measurement in the VHF band.
UHFIN1
UHFIN2
IFOUT1
IFOUT2
15
D.U.T.
IFOUT1
IFOUT2
V o
C
V o
N1
(1)
T
N2
(2)
C
N1
(1)
TDA6404; TDA6405;
V' meas
T
N2
(2)
V' meas
spectrum
analyzer
50
MGK828
Product specification
TDA6405A
spectrum
analyzer
50
MGK829