NTE1805 データシートの表示（PDF） - NTE Electronics

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NTE1805

Integrated Circuit Recording Video Signal Processing Circuit

NTE Electronics 

NTE1805

Integrated Circuit

Recording Video Signal Processing Circuit

Description:

The NTE1805 is an integrated circuit in a 28–Lead DIP type package designed for use in VCR recording

video signal processing.

Features:

D Dynamic Emphasis Characteristics: 5.5dB (at f = 1MHz, input level = –20dB)

D Built–In Carrier Interleaving Circuit

D Built–In Low Pass Filter (Sync–Separation Circuit)

D Supply Voltage: VCC = 5V

Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V

Power Dissiption (TA = +70°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mW

Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to ∼+150°C

Electrical Characteristics: (VCC = 5V, TA = +25°C unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Circuit Current

I20 Pin12 High (Record)

Pin12 Open (Playback)

14.5 – 35.5 mA

14.5 – 35.5 mA

AGC Output Amplification

u8 Pin12 High, Video Input 1VP–P

0.4 – 0.8 VP–P

AGC Control Sensitivity

Du8 Pin12 High, Video Input 0.5 to 2VP–P

– – 1.5 dB

Playback Amp Gain

G6–8 Pin12 Open

6.8 – 9.9 dB

12dB Amp Gain

G15–16

10.4 – 13.4 dB

FM Oscillation Frequency

FM Output 2nd High Frequency

fo Pin12 High, CO = 39pF, RO = 12kΩ

2fo

2.9 – 3.9 MHz

– – –33 dB

FM Oscillation Output Amplification u28

0.65 – 1.35 VP–P

Frequency Control Sensitivity

FM Oscillation

b28 Pin12 High, CO = 39pF, RO = 8.2 to 15kΩ 11.4 – 14.5 kHz/µA

Note 1. Operating Supply Voltage Range: VCC = 4.5V to 5.5V.

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