VIDEO PREAMPLIFIER Audio & Video Amplifiers 117

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Part	Manufacturer	General IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	No. of Functions	No. of Channels	Technology	Nominal Bandwidth	Maximum Supply Current	Power Supplies (V)	Harmonic Distortion	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Gain	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width	Qualification	Minimum Supply Voltage (Vsup)	Additional Features	JESD-609 Code	Length
STV5723/P	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		3	BIPOLAR		115 mA	5		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V		e0	12.8 mm
STV5712	STMicroelectronics	VIDEO PREAMPLIFIER		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		2	BIPOLAR	8 kHz	80 mA	5		SMALL OUTLINE	SOP16,.25	Audio/Video Amplifiers	1.27 mm		68 dB		TIN LEAD	DUAL	R-PDSO-G16	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V		e0	9.9 mm
STV5702AD	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2			55 mA			SMALL OUTLINE			1.27 mm	70 Cel	60 dB	0 Cel		DUAL	R-PDSO-G20	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V			12.8 mm
STV5726A	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	4	BIPOLAR		100 mA	5		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	57 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V		e0	12.8 mm
TDA9203B	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	24	SDIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BIPOLAR			12		IN-LINE, SHRINK PITCH	SDIP24,.3	Audio/Video Amplifiers	1.778 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDIP-T24		5.08 mm	7.62 mm	Not Qualified			e0
STV5722A	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2	BIPOLAR		88 mA	5		SMALL OUTLINE	SOP16,.25	Audio/Video Amplifiers	1.27 mm	70 Cel	57 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G16	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V		e0	9.9 mm
TDA9203A	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	24	SDIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BIPOLAR	.07 kHz		12		IN-LINE, SHRINK PITCH	SDIP24,.3	Audio/Video Amplifiers	1.778 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDIP-T24	13.2 V	5.08 mm	7.62 mm	Not Qualified	10.8 V		e0	22.86 mm
TEA5701	STMicroelectronics	VIDEO PREAMPLIFIER		GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		3	BIPOLAR	9.5 kHz	60 mA	5		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm		60 dB		TIN LEAD	DUAL	R-PDSO-G20	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V	ALSO REQUIRES 12V POWER SUPPLY IN RECORD MODE	e0	12.8 mm
TDA9207	STMicroelectronics	VIDEO PREAMPLIFIER		THROUGH-HOLE	24	SDIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BIPOLAR	130 kHz		5,8		IN-LINE, SHRINK PITCH	SDIP24,.3	Audio/Video Amplifiers	1.778 mm		16 dB		TIN LEAD	DUAL	R-PDIP-T24	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	IT ALSO REQUIRES 4.5V TO 8.8V SUPPLY	e0	22.86 mm
STV5727	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2	BIPOLAR		70 mA	5		SMALL OUTLINE	SOP14,.25	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G14	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V		e0	8.65 mm
STV5722	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1	BIPOLAR		88 mA	5		SMALL OUTLINE	SOP16,.25	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G16	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V		e0	9.9 mm
TEA5703	STMicroelectronics	VIDEO PREAMPLIFIER		GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2	BIPOLAR		55 mA	5,10		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm		60 dB		TIN LEAD	DUAL	R-PDSO-G20	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V		e0	12.8 mm
TDA9201	STMicroelectronics	VIDEO PREAMPLIFIER		THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	1		.12 kHz	100 mA			IN-LINE			2.54 mm					DUAL	R-PDIP-T20	5.5 V	5.1 mm	7.62 mm	Not Qualified	4.5 V
STV5725	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	4	BIPOLAR		95 mA	5		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V		e0	12.8 mm
TEA5706A	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2			75 mA			SMALL OUTLINE			1.27 mm	70 Cel	60 dB	0 Cel		DUAL	R-PDSO-G28	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V			17.9 mm
TDA9210	STMicroelectronics	VIDEO PREAMPLIFIER		THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BIPOLAR	130 kHz		5,8		IN-LINE	DIP20,.3	Other Consumer ICs	2.54 mm	150 Cel	16 dB		TIN LEAD	DUAL	R-PDIP-T20	5.5 V	3.93 mm	7.62 mm	Not Qualified	4.5 V	IT ALSO REQUIRES 4.5V TO 8.8V SUPPLY	e0	25.15 mm
TDA9209	STMicroelectronics	VIDEO PREAMPLIFIER		THROUGH-HOLE	24	SDIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BIPOLAR	130 kHz		5,8		IN-LINE, SHRINK PITCH	SDIP24,.3	Other Consumer ICs	1.778 mm		16 dB		TIN LEAD	DUAL	R-PDIP-T24	5.5 V	5.08 mm	7.62 mm	Not Qualified	4.5 V	IT ALSO REQUIRES 4.5V TO 8.8V SUPPLY	e0	22.86 mm
STV5742	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2	BIPOLAR		115 mA	5		SMALL OUTLINE	SOP16,.25	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G16	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V		e0	9.9 mm
STV5715	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2	BIPOLAR		52 mA	5,11.3		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V		e0	12.8 mm
TEA5704	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		4	BIPOLAR	12 kHz	75 mA	5		SMALL OUTLINE	SOP28,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G28	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V	ALSO REQUIRES 9V POWER SUPPLY IN RECORD MODE	e0	17.9 mm
STV5716A	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2	BIPOLAR	13.5 kHz	52 mA	5,11.3		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	59 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V	ON CHIP 2 PLAYBACK AMPLIFIERS AND 1 RECORD AMPLIFIER	e0	12.8 mm
STV5728D	STMicroelectronics	VIDEO PREAMPLIFIER		GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	6						SMALL OUTLINE			1.27 mm					DUAL	R-PDSO-G28		2.65 mm	7.5 mm	Not Qualified		4 VIDEO + 2 HIFI HEAD AMPLIFIER		17.9 mm
STV5726/P	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		4	BIPOLAR		115 mA	5		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V		e0	12.8 mm
STV5743	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	3	BIPOLAR		115 mA	5		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V		e0	12.8 mm
STV5722/P	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		2	BIPOLAR		95 mA	5		SMALL OUTLINE	SOP16,.25	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G16	5.25 V	1.75 mm	3.9 mm	Not Qualified	4.75 V		e0	9.9 mm
TEA5705	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2	BIPOLAR		70 mA	5,11.3		SMALL OUTLINE	SOP28,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G28	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V		e0	17.9 mm
TDA9205	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	24	SDIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BICMOS	130 kHz		12		IN-LINE, SHRINK PITCH	SDIP42,.6	Audio/Video Amplifiers	1.778 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDIP-T24		5.08 mm	7.62 mm	Not Qualified			e0	22.86 mm
TEA5725	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		4	BIPOLAR	13.5 kHz	80 mA	5		SMALL OUTLINE	SOP28,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G28	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V		e0	17.9 mm
STV5728	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	28	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	6	BIPOLAR		104 mA	5		SMALL OUTLINE	SOP28,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	70 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G28	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V		e0	17.9 mm
STV5744AD	STMicroelectronics	VIDEO PREAMPLIFIER		GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	4						SMALL OUTLINE			1.27 mm					DUAL	R-PDSO-G20		2.65 mm	7.5 mm	Not Qualified				12.8 mm
STV5742D	STMicroelectronics	VIDEO PREAMPLIFIER		GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	2						SMALL OUTLINE			1.27 mm					DUAL	R-PDSO-G16		1.75 mm	3.9 mm	Not Qualified				9.9 mm
STV5726	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		4	BIPOLAR		100 mA	5		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	60 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.25 V	2.65 mm	7.5 mm	Not Qualified	4.75 V		e0	12.8 mm
STV5716	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		2	BIPOLAR	13.5 kHz	52 mA	5,11.3		SMALL OUTLINE	SOP20,.4	Audio/Video Amplifiers	1.27 mm	70 Cel	59 dB	0 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2.65 mm	7.5 mm	Not Qualified	4.5 V		e0	12.8 mm
TDA9206	STMicroelectronics	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	24	SDIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BIPOLAR			12		IN-LINE, SHRINK PITCH	DIP24,.6	Audio/Video Amplifiers	1.778 mm	70 Cel		0 Cel	TIN LEAD	DUAL	R-PDIP-T24		5.08 mm	7.62 mm	Not Qualified			e0	22.86 mm
STV9211	STMicroelectronics	VIDEO PREAMPLIFIER		THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3				5,8		IN-LINE	DIP20,.3	Other Consumer ICs	2.54 mm				Matte Tin (Sn)	DUAL	R-PDIP-T20	5.5 V	3.93 mm	7.62 mm	Not Qualified	4.5 V	IT ALSO REQUIRES 4.5V TO 8.8V SUPPLY	e3	25.15 mm
STV5725D	STMicroelectronics	VIDEO PREAMPLIFIER		GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	4						SMALL OUTLINE			1.27 mm					DUAL	R-PDSO-G20		2.65 mm	7.5 mm	Not Qualified				12.8 mm
TDA4884N	NXP Semiconductors	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BIPOLAR	85 kHz	60 mA			IN-LINE				70 Cel	1 dB	-20 Cel		DUAL	R-PDIP-T20	8.8 V			Not Qualified	7.2 V
OM3026	NXP Semiconductors	VIDEO PREAMPLIFIER		THROUGH-HOLE	11	SIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	1						IN-LINE					14 dB			SINGLE	R-PSIP-T11	12 V			Not Qualified	12 V
TDA4883	NXP Semiconductors	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3		70 kHz	56 mA			IN-LINE			2.54 mm	70 Cel	2 dB	0 Cel		DUAL	R-PDIP-T20	8.8 V	4.2 mm	7.62 mm	Not Qualified	7.2 V			26.73 mm
NE542N	NXP Semiconductors	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	2		.1 kHz	15 mA		.3 %	IN-LINE			2.54 mm	70 Cel	104 dB	0 Cel		DUAL	R-PDIP-T8	24 V	4.06 mm	7.62 mm	Not Qualified	9 V			9.425 mm
TDA4887PS	NXP Semiconductors	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	24	SDIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BIPOLAR	160 kHz	30 mA	8		IN-LINE, SHRINK PITCH	SDIP24,.4	Audio/Video Amplifiers	1.778 mm	70 Cel		-20 Cel	MATTE TIN	DUAL	R-PDIP-T24	8.8 V	4.7 mm	10.16 mm	Not Qualified	7.6 V		e3	21.85 mm
OM3016	NXP Semiconductors	VIDEO PREAMPLIFIER		THROUGH-HOLE	10	SIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	1						IN-LINE					12 dB			SINGLE	R-PSIP-T10	12 V			Not Qualified	12 V
TDA4884	NXP Semiconductors	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	20	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	3	BIPOLAR	85 kHz	60 mA	8		IN-LINE	DIP20,.3	Audio/Video Amplifiers	2.54 mm	70 Cel	1 dB	-20 Cel	TIN/NICKEL PALLADIUM GOLD	DUAL	R-PDIP-T20	8.8 V	4.2 mm	7.62 mm	Not Qualified	7.2 V		e3/e4	26.73 mm
TA1249F	Toshiba	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	16	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES			BIPOLAR		79 mA	5		SMALL OUTLINE, SHRINK PITCH	SOP16,.25,40	Audio/Video Amplifiers	1 mm	70 Cel		-20 Cel		DUAL	R-PDSO-G16		1.9 mm	4.6 mm	Not Qualified				8.2 mm
TA1250F	Toshiba	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	24	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES			BIPOLAR		40 mA	5		SMALL OUTLINE, SHRINK PITCH	SOP30,.3,32	Audio/Video Amplifiers	1 mm	70 Cel		-20 Cel		DUAL	R-PDSO-G24		2.2 mm	6 mm	Not Qualified				13 mm
TA7772P	Toshiba	VIDEO PREAMPLIFIER		THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	2						IN-LINE			2.54 mm				TIN LEAD	DUAL	R-PDIP-T16	5.5 V	4.45 mm	7.62 mm	Not Qualified	4.5 V		e0	19.25 mm
TA1273F	Toshiba	VIDEO PREAMPLIFIER	COMMERCIAL	GULL WING	36	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES					130 mA	5		SMALL OUTLINE, SHRINK PITCH	SOP36,.4,40	Audio/Video Amplifiers	1 mm	70 Cel		-20 Cel		DUAL	R-PDSO-G36		2.7 mm	7.5 mm	Not Qualified				18.4 mm
TA7622AP	Toshiba	VIDEO PREAMPLIFIER	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		1			40 mA			IN-LINE			2.54 mm	65 Cel	21 dB	-20 Cel	TIN LEAD	DUAL	R-PDIP-T16	12 V	4.45 mm	7.62 mm	Not Qualified	12 V		e0	19.25 mm

Audio & Video Amplifiers

Audio and video amplifiers are electronic devices that increase the amplitude or power of an audio or video signal. These amplifiers are commonly used in home theater systems, music players, and sound reinforcement systems to provide a higher-quality audio or video experience.

Audio amplifiers are designed to amplify the electrical signals that represent sound, such as music or speech. These amplifiers can be classified into several types based on the way they amplify the signal. Some of the most common types of audio amplifiers include:

1. Class A amplifiers - These amplifiers use a single transistor or tube to amplify the signal. They provide high-quality sound but are less efficient than other types of amplifiers.

2. Class B amplifiers - These amplifiers use two transistors or tubes to amplify the signal. They are more efficient than class A amplifiers but can suffer from distortion at low volume levels.

3. Class AB amplifiers - These amplifiers combine the characteristics of class A and class B amplifiers, providing a balance of high-quality sound and efficiency.

Video amplifiers are designed to amplify the electrical signals that represent video, such as those from a DVD player or cable box. These amplifiers can be used to improve the quality of the video signal, reduce noise and interference, and provide a clearer picture.

Both audio and video amplifiers can be integrated into a variety of different devices, such as receivers, preamplifiers, and power amplifiers. They can also be designed to work with specific types of audio or video signals, such as analog or digital.