NTE713 TV Chroma Demodulator PDIP-14

Info as pdf-file

Description:

The NTE713 is a monolithic integrated circuit in a 14-Lead DIP type package that contains two sets of synchronous detectors with matrix circuits to achieve the R-Y, G-Y, and B-Y color difference output signals. The chroma input signal is applied to Pin3 and Pin4 while the oscillator injection signal is applied to Pin6 and Pin7. The color difference signals, after matrix, have fixed a relationship of amplitude and phase nominally equal DC voltage levels. The outputs of the NTE713 are suitable for driving high level color difference or R, G, B output amplifiers. Emitter-follower output stages used to drive the high level color amplifiers have short-circuit protection.

Features:

• Synchronous Detector with Color Difference Matrix
• Emitter-Follower Output Amplifier with Short-Circuit Protection

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

DC Supply Voltage (Pin8 to Pin14)		27V
Reference Input Voltage		5VP-P
Chroma Input Voltage		5VP-P
Device Dissipation (TA </= +70°C)		530mW
Derate Linearly Above +70°C		6.7mW/°C
Operating Ambient Temperature Range		-40° to +85°C
Storage Temperature Range		-65° to +150°C
Lead temperature (During Soldering, 1/32" from seating plane, 10sec max)		+265°C

Electrical Characteristics: (T_A = +25°C, V+ = 24V unless otherwise specified)

Parameter		Symbol	Test Conditions	Min	Typ	Max	Unit
Static Characteristics
Supply Current	With Output Loads	IT	S1 Closed	16.5	-	26.5	mA
	With No Output Loads		S1 Open	-	9.0	-	mA
G-Y, R-Y, B-Y Outputs		V9, V11, V13	S1 Closed	13.2	14.7	15.8	V
Chroma Inputs		V3, V4	S1 Open	-	3.3	-	V
Reference Subcarrier		V6, V7	S1 Open	-	6.2	-	V
Dynamic Characteristics
Demodulator Unbalance		v9, v11, v13	V3 = V4 = 0	-	-	0.8	vP-P
Maximum Color Difference Output Voltage		v13	V3 = V4 = 0.6VP-P	8.0	-	-	vP-P
		v11		5.5	-	-	vP-P
		v9		1.2	-	-	vP-P
Chroma Input Sensitivity		v3	Adjust ec for 5vP-P @ Pin13 (B-Y)	-	0.2	0.35	vP-P
Relative R-Y Output		v11		3.5	-	4.2	vP-P
Relative G-Y Output		v9		0.75	-	1.25	vP-P
VDC Difference Between Any Two Output Pins		|V9| - |V11| |V9| - |V13| |V11| - |V13|	ec = 0	-	-	0.6	V
Input Impedance Reference Subcarrier Inputs		ri6, 7		-	1.7	-	k Ohm
Input Capacitance Reference Subcarrier Inputs		ci6, 7		-	6	-	pF
Input Impedance at Chroma Inputs		ri3, 4		-	0.95	-	k Ohm
Input Capacitance at Chroma Inputs		ci3, 4		-	5	-	pF
Output Resistance		ro9, ro11, ro13		-	180	-	W

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