NTE1860 Datasheet, PDF (3/5 Pages) NTE Electronics – Integrated Circuit TV Stereo Multiplexing Decoder

Electrical Characteristics (Cont’d): (V_CC = 9V, dBs = 0.775V_rms, T_A = 25°C)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
MAIN Balance
Between Channels
CB_MAIN Pin34 Input f_H (−18dBs)
−0.3 0 0.3
dB
Input 1kHz (−4dBs) to Pin28 and
find the output level difference
between Pin22 and Pin23 by
measuring the outputs of Pin22
and Pin23 independently
SUB Balance
Between Channels
CB_SUB Input 1kHz (−4dBs) to Pin27 and −0.3 0 0.3
dB
find the output level difference
between Pin22 and Pin23 by
measuring the outputs of Pin22
and Pin23 independently. The
above applicable to Pin28 ex-
cept that non−input to Pin28.
Separation Check 1kHz
SEP_1k Pin1 input L Ch 100% DSB 1kHz 46 60 −
dB
Measure phase difference be-
tween the outputs of Pin24 and
Pin23.
Crosstalk
(L − R) ↔ (SAP)
CT_{L−R SAP} Pin26 and Pin41 Input 1kHz − −80 −67
dB
(−4dBs)
Pin24 Output +1kHz BPF
Crosstalk L ↔ SAP
CT_LSAP Pin27 and Pin28 Output 1kHz − −80 −74 dB
(−4dBs)
Pin23 Output + 1kHz BPF
Crosstalk R ↔ SAP
CT_RSAP Pin27 and Pin28 Input 1kHz − −80 −74 dB
(−4dBs)
Pin22 Output + 1kHz BPF
Stereo LPF Frequency
Characteristics (6f_H)
(L + R) LPF Frequency
Characteristics
(12kHz)
ALP1 6f_H
ALP2 12k
Pin1 Input 6f_H (−10dBs)
Pin37 Output
Pin34 Input 12kHz (−4dBs)
Pin29 Output
− −45 −36 dB
−5.2 −4.3 −2.8 dB
(L + R) LPF Frequency
Characteristics (2f_H)
L − R LPF Frequency
Characteristics
(12kHz)
ALP2 2f_H
ALP3 12k
Pin34 Input 2f_H (−4dBs)
Pin29 Output
Pin26 Input 12kHz (−4dBs)
Pin24 Output
− −52 −43 dB
−6.5 −5.3 −4.0 dB
L − R LPF Frequency
Characteristics (2f_H)
Stereo Capture Range
LOW
ALP3 2f_H Pin26 Input 2f_H (−4dBs)
−
Pin24 Output
CR_LO
Pin34 Input f_H vicinity (−18dBs) −
Measure the input frequency
when the LED of Pin19 goes on
and off by changing the burst
signal frequency
−52 −43 dB
− 14.95 kHz
Stereo Capture Range
HIGH
CR_HI Pin35 and Pin36, 1µF and 4.7µF 16.52 −
−
kHz
560Ω