NTE1522 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit B/W Video IF

NTE1522
Integrated Circuit
B/W Video IF
Description:
The NTE1522 is a silicon monolithic integrated circuit designed for VIF section in B/W television re-
ceivers. This IC has all functions including a video IF amplifier, video low−loevel detector, RF AGC,
IF AGC and noise canceller. The IC is a 14 Pin Dual In−Line Package with a Heat tab.
Features:
D High Input Sensitivity: 30dBμ (Typ.)
D It can be used both of keyed type AGC and peak type AGC.
D It can be operated with the power supply voltage above 7V.
D Since the video detector has a wide bandwidth, it’s suitable for the sound carrier frequency of
4.5, 5.5, 6.0 and 6.5MHz
D As input is in differential mode, it can be used with SAW filter.
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage, V₇ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Input Signal Voltage, V₈, V₉ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V_p−p
Power Dissipation (Note 1), P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 875mW
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C
Note 1. T_A = +75°C Free Air
Electrical Characteristics: (T_A = +25°C, V_CC = 12V, f = 58.75MHz, f_M = 15.75kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Total Supply Current
Input Sensitivity
Max. Input Voltage
Video Output Voltage
Video Output DC Voltage
Signal to Noise Ratio
RF AGC Voltage (High)
RF AGC Voltage (Low)
Differential Gain
Differential Phase
I_CC
n_i(sens)
n_i(max)
n_o
V_O
S/N
V_6H
V_6L
DG
DP
I₇ + I₁₂, RA = 150Ω
MOD = 80%, V_o = 1.4V_p−p
MOD = 80%, −1dB Point
MOD = 80%, V_i = 3_mV_rms
No Signal
MOD = 80% to 0%, n_i = 3_mV_rms
V₅ = 0V
V₅ = 7V
Stair Step f_M = 3.58MHz
40 50 60 mA
− 30 35 dBμ
100 − − dBμ
1.0 1.4 1.7 V_p−p
3.3 3.8 4.3 V
40 50 − dB
8 9 11 V
− 0 0.5 V
− − 10 %
− − 10 deg.
Video Detector Bandwidth BW −3dB Point
5.5 − − MHz
Input Resistance
R_IN
Input Capacitance
C_IN
− 1.5 − kΩ
− 3.3 − pF