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SG 1

DUT

VLO IN

IFOUT1

IFOUT2

50

Ω

50

Ω

50

Ω

Modulatio

n

Analyzer

2.2 nF

2.2 nF

2.2 nF

SG 2

50

Ω

Des = 80 dB

µV

Des

±6 MHz

AM30%,

1 kHz

50

Ω

SG 1

50

Ω

50

Ω

Modulatio

n

Analyzer

SG 2

50

Ω

Des = 80 dB

µV

Des

±6 MHz

AM30%,

1 kHz

DUT

IFOUT1

IFOUT2

50

Ω

2.2 nF

2.2 nF

2.2 nF

VHI IN1

(UHF IN1)

VHI IN2

(UHF IN2)

2.2 nF

50

Ω

V

Spectrum

Analyzer

50

SG

DUT

VLO IN

IFOUT1

IFOUT2

50

Ω

50

Ω

50

Ω

Spectrum

Analyzer

2.2 nF

2.2 nF

2.2 nF

SG

DUT

IFOUT1

IFOUT2

50

Ω

50

Ω

50

Ω

Spectrum

Analyzer

2.2 nF

2.2 nF

2.2 nF

VHI IN1

(UHF IN1)

VHI IN2

(UHF IN2)

2.2 nF

50

Ω

V

Spectrum

Analyzer

SN761685

TV TUNER IC

SLES175 – APRIL 2006

Figure 16. VHF-L 1% Cross-Modulation Distortion Measurement Circuit

Figure 17. VHF-L 1% Cross-Modulation Distortion Measurement Circuit

Figure 18. VHF-L Output Voltage Measurement Circuit

Figure 19. VHF-H, UHF Output Voltage Measurement Circuit

10

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