聲表面諧振器規(guī)格參數聲表面濾波器尺寸聲表面濾波器測試波形聲表面諧振器規(guī)格Attenuation(ref.:37.40MHz):FREQUENCY(MHz)VALUEunitMinTyp.Max.Insertionattenuation37.40MHz11.513.515.5dBPicturecarrier38.90MHz4.05...

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聲表面諧振器規(guī)格參數

聲表面濾波器尺寸

聲表面濾波器測試波形

聲表面諧振器規(guī)格
Attenuation ( ref. : 37.40 MHz):

FREQUENCY(MHz)	VALUE			unit
	Min	Typ.	Max.
Insertion attenuation 37.40 MHz	11.5	13.5	15.5	dB
Picture carrier 38.90 MHz	4.0	5.5	7.0	dB
Color carrier 34.47MHz	1.5	3.0	4.5	dB
Sound carrier 33.40 MHz	38.0	45.0	-	dB
Adjacent picture carrier 30.90 MHz 31.90 MHz 32.40MHz	42.0	53.0	-	dB
	42.0	53.0	-	dB
	38.0	49.0	-	dB
Adjacent sound carrier 40.15 MHz 40.40MHz 41.40 MHz	30.0	42.0	-	dB
	42.0	52.0	-	dB
	38.0	48.0	-	dB
Lower sidelobe: 25.00-31.90 MHz	36.0	45.0	-	dB
Upper sidelobe: 40.40-45.00 MHz	35.0	40.0	-	dB
Reflected wave signal suppression 1,1 ms ... 6,0 ms after main pulse (test pulse 250 ns,carrier frequency 37,40 MHz)	40.0	50.0	-	dB
Feedthrough signal suppression 1,2 ms ... 1,0 ms before main pulse (test pulse 250 ns,carrier frequency 37,40 MHz)	46.0	56.0	-	dB
Group delay predistortion (reference frequency 38,90 MHz) 36,70 MHz 34,47 MHz	- -	-80 20	- -	ns ns
Impedance at 37.40 MHz Input Impedance Output Impedance	1.5\|\| 14.1 1.3 \|\| 5.6			KW \|\| pF KW \|\| pF
Temperature coefficient TC	-	-72	-	ppm/K