NTE7116 Просмотр технического описания (PDF) - NTE Electronics
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NTE7116 Datasheet PDF : 5 Pages
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AC Characteristics (Cont’d): (VS = 8.5V, TA = +25°C, AC Conditions: (1) Input signal (Vi) of
815mVP–P for L = 1, R = 1 (mono), fm = 1kHz (80% modulation); (2)
MUX input signal (Vi) of 1.2VP–P for L = 1, R = 0 and no dbx, fm = 1kHz
(stereo) and Vpilot = 200VP–P; (3) S1 open, unless specified (without
L – R filter), VCO measured with an external IF roll–off network (–2dB
at 31.5kHz = 2fH) at the input. All the above conditions apply unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Carrier & Harmonic Suppression at the Output (Note 3)
Pilot Signal Suppression
Subcarrier Suppression
VCO Suppression
SAP Signal Suppression
(Second Audio Program)
αfH
α2fH
α12fH
α5fH
fpilot = 15.734kHz (1fH)
f = 2fH
f = 12fH
f = 5fH
32
36
–
60
–
75
–
60
– dB
– dB
– dB
– dB
Intermodulation Suppression
fm = 8.367kHz
α2 Spurious Signal, fs = 1kHz
–
80
– dB
fm = 10.832kHz
α3 Spurious Signal, fs = 1kHz
–
70
– dB
Ripple Rejection
RR120 f = 120Hz, Vripple = 100mV, mono –
50
– dB
Voltage Controlled Oscillator (VCO)
R Adjust (R5)
Radj fOSC = 188.808kHz,
0
–
8 kΩ
R7 = 10kΩ 5%, C6 = 820pF 1%
Capture Range
Temperature Coefficient
∆f/f Deviation from fOSCcenter
frequency: Vpilot = 200mVP–P
TC Uncompensated
–
45
–%
– 250 x 10–6 – K–1
Output Amplifiers
Gain
MUX
External Signal
Input Impedance
Output Impedance
External Load Impedance
External Load Capacitance
Mute Suppression
MUX Signal
External Signal
DC Offset Voltage at Outputs
GV
Zi
Zo
Z1
Z1
α
∆V Mute OFF–to–ON
Mute ON–to–OFF
6.7
7.2
7.7 dB
–0.5
0
+0.5 dB
–
50
– kΩ
–
10
–Ω
10
–
– kΩ
–
–
1.5 nF
56
60
– dB
56
60
– dB
–
10
50 mV
–
10
50 mV
Source Selector (Pin6)
Suppression of MUX Signal
α V6 ≥ 2V
Suppression of External Signal α V6 ≤ 0.8V
Switching Level (MUX Selected)
Voltage
VIL
Current
IIL Vi = 0.8V
80
90
56
60
– dB
– dB
–
–
0.8 V
–
10
25 µA
Note 3. S1 closed; reference: AF output voltage f = 1kHz mono.
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