TDA5732 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

TDA5732

Low power VHF, UHF mixer/oscillator for TV and VCR 2-band tuners

Philips Electronics 

Philips Semiconductors

Low power VHF, UHF mixer/oscillator

for TV and VCR 2-band tuners

Preliminary specification

TDA5732M

handbook, full pagewidth

signal

source

50 Ω

e

Vmeas V

A IN

IF

25 Ω

out

50 Ω Vin

D.U.T.

Vout

V'meas

spectrum

analyzer

50 Ω

A IN

RMS

voltmeter

MBE290

Zi >> 50 Ω ≥ Vi = 2Vmeas (Vi = 80 dBµV); Vo = V'meas × (50 + 25)/50; voltage gain for band A = 20log(Vo/Vi).

Fig.3 Band A gain measurement.

handbook, full pagewidth signal

source

50 Ω

e

Vmeas V

50 Ω

RMS 50 Ω

voltmeter

A

C

HYBRID

B

D

C IN

IF

out

D.U.T.

25 Ω

Vout

V' meas

50 Ω

C IN

MBE289

spectrum

analyzer

Vi = Vmeas (Vi = 70 dBµV); Vo = V'meas × (50 + 25)/50; voltage gain for band C = 20log(Vo/Vi).

Fig.4 Band C gain measurement.

1995 Mar 22

9

Share Link: