M52334FP

更新时间： 2024-01-17 00:44:31

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M52334FP 技术参数

M52334FP

Pin 5, Pin 6 (VCO COIL)

Connecting a tuning coil and capacitor to these pins enables

an oscillation.

The tuning capacitor of about 30 pF is recommended.

The oscillation frequency is tuned in f0.

In the actual adjustment, the coil is tuned so that the AFT

voltage is reached to V_CC/2 with f0 as an input.

The printed pattern around these pins should be designed

carefully to prevent an pull-in error of VCO, caused by the

laekage interference from the large signal level oscillator to

adjacent pins.

850

466

The interconnection should be designed as short as possible.

In case the printed pattern has the interference problem, a

capacitor of about 1 pF is connected between pin 5 or 6 and

GND so as to cancel the interference and keep enough pull-

in range even in a weak electric field.

Pin 7 (V_CC)

V_CC

The recommended supply voltage is 5 V or 9 to 12 V.

In the case of 5 V supply, it should be tied to pin 17.

In the case of 9 to 12 V supply, a regulated output of 5 V are

available in pin 17.

Pin 8 (VIDEO OUT)

An output amplitude is positive 2 V_P-Pin the case of 87.5%

video modulation.

Internal driving current: 2 mA

Pin 9 (SIF GND)

It is ground (GND) for the SIF.

Rev.2.00 Jun 14, 2006 page 14 of 18

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