TDA6508TT NXP Semiconductors, TDA6508TT Datasheet - Page 22

• Manufacturer Part Number: TDA6508TT
• Manufacturer: NXP Semiconductors

Specifications of TDA6508TT

• Pin Count: 32
• Screening Level: Commercial
• Package Type: TSSOP
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
13 TEST AND APPLICATION INFORMATION
2005 Mar 25
handbook, full pagewidth
3-band mixer/oscillator and PLL for
terrestrial tuners
Z
V
V
G
PAL f
Z
V
V
G
PAL f
i
i
i
o
i
o
v
v
>> 50
>> 50
= V
= V
= V
= V
= 20 log
= 20 log
IF
IF
i(meas)
i(meas)
o(meas)
o(meas)
= 36.15 MHz.
= 36.15 MHz.
+ 6 dB = 80 dB V.
V
----- -
+ 6 dB = 80 dB V.
V
----- -
V
V
+ 15 dB (transformer ratio N1/N2 and transformer loss).
+ 3.75 dB.
V
o
V
o
i
i
i
i
= 2
= 2
e
V
V
i(meas)
i(meas)
Fig.11 Gain measurement in the LOW-band of the TDA6508A; TDA6509A.
e
Fig.10 Gain measurement in the LOW-band of the TDA6508; TDA6509.
50
= 80 dB V.
= 80 dB V.
V
50
i(meas)
signal
source
V i(meas)
signal
source
voltmeter
V
RMS
voltmeter
V
RMS
50
50
V
i
V i
GND
LOW_RFIN
IFAMP_OUT1
IFAMP_OUT2
D.U.T.
LOW_RFIN
22
IFAMP_OUT1
D.U.T.
V
o
V o
2 x 5
turns
N1/N2 = 5
V o(meas)
27
2
turns
TDA6508; TDA6508A;
V
TDA6509; TDA6509A
o(meas)
mdb265
spectrum
analyzer
50
MDB266
spectrum
50
analyzer
Product specification