NTE7050 查看數據表（PDF） - NTE Electronics

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NTE7050

Integrated Circuit Phase Lock Loop (PLL) Stereo Decoder

NTE Electronics 

AC Electrical Characteristics (Cont’d): (All parameters are measured in the circuit at nominal

supply voltage(VCC = 8.5V) and TA = +25°C)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Carrier and Harmonic Suppression at the Output (Cont’d) (Note 3)

ACI (Adjacent Channel Interference) α114 f = 114kHz, Note 7

– 90 –

dB

α190 f = 190kHz, Note 7

– 60 –

dB

Ripple Rejection

RR100 f = 100Hz,

V9 = 8.5V – 46 –

dB

VRIPPLE = 100mV V9 = 7.0V – TBD –

dB

VCO (Voltage–Controlled Oscillator)

Oscillator Frequency Adjustable

fOSC

with R8

– 228 – kHz

Capture Range (Deviation from

228kHz Center Frequency)

∆f/f VPILOT = 32mV

–4 –

%

Temperature Drift (Uncompensated) TC

Muting Circuit (Pin11)

– +200 – ppm/°C

Input Voltage (Mute “ON”)

VDlow

Input Voltage (Mute “OFF”)

VDhigh

Input Current (Mute “ON”)

–IDlow

Input Current (Mute “OFF”)

IDhigh

Source Selector (Pin10) Switching Level

– – 0.8 V

2.0 – 8.0 V

25 10 –

µA

– – TBD µA

Cassette–to–Radio

VClow

– – 0.8 V

–IClow

25 10 –

µA

Radio–to–Cassette

VChigh

2.0 – 8.0 V

IChigh

– – TBD µA

Note 3. Reference output voltage at 1kHz (measured channel R (Pin2)).

Note 7. ACI (Adjacent Channel Interference):

α114 = VO (signal) at 1kHz

VO (spurious) at 4kHz

:

fS = 110kHz – (3 x 38kHz)

α190 =

VO (signal) at 1kHz

VO (spurious) at 4kHz

:

fS = 186kHz – (3 x 38kHz)

measured with: 90% mono signal; fS = 1kHz; 9% pilot signal; 1% spurious signal

(fS = 110 or 186kHz, unmodulated).

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