QCCJ Analog Data Transmission Interfaces 133

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Part	Manufacturer	Telecom IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	No. of Functions	Technology	Nominal Negative Supply Voltage	Maximum Supply Current	Nominal Supply Voltage	Hybrid	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Maximum Noise	Battery Supply (V)	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Seated Height	Width	Qualification	Minimum Power Supply Rejection Ratio (PSRR)	Battery Feed	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
HC5549CMZ	Renesas Electronics	SLIC		J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		8 mA	5 V	2-4 CONVERSION		CHIP CARRIER	LDCC28,.5SQ		1.27 mm	75 Cel	19 dBrnC	-24 TO -48	0 Cel	MATTE TIN	QUAD	S-PQCC-J28	3	4.57 mm	11.505 mm			CONSTANT CURRENT/RESISTIVE	e3	30	245	11.505 mm
HC55143IM	Renesas Electronics	SLIC	INDUSTRIAL	J BEND	32	QCCJ	RECTANGULAR	PLASTIC/EPOXY	YES	1			.003 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC32,.5X.6	Analog Transmission Interfaces	1.27 mm	85 Cel	13 dBrnC	-24 AND -48	-40 Cel	TIN LEAD	QUAD	R-PQCC-J32	1	3.55 mm	11.43 mm	Not Qualified		CONSTANT CURRENT/RESISTIVE	e0			13.97 mm
HC55185AIM	Intersil	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		.0135 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	85 Cel	13 dBrnC	+100	-40 Cel	TIN LEAD	QUAD	S-PQCC-J28	1	4.57 mm	11.505 mm	Not Qualified	45 dB	CONSTANT CURRENT	e0			11.505 mm
HC5517BCM	Intersil	SLIC	COMMERCIAL EXTENDED	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		.006 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	75 Cel		-24	0 Cel	TIN LEAD	QUAD	S-PQCC-J28		4.57 mm	11.505 mm	Not Qualified	20 dB	RESISTIVE	e0			11.505 mm
HC55185AIM96	Intersil	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		.0135 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	85 Cel	14 dBrnC	-24 AND -100	-40 Cel	TIN LEAD	QUAD	S-PQCC-J28	1	4.57 mm	11.505 mm	Not Qualified		CONSTANT CURRENT/RESISTIVE	e0			11.505 mm
73M376-CH	Texas Instruments	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1				5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
L3235	STMicroelectronics	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V	8 mA	5 V	2-4 CONVERSION	+-5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	70 Cel		-48	0 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J28		4.57 mm	11.505 mm	Not Qualified			e0			11.505 mm
L3037TFN	STMicroelectronics	SLIC	INDUSTRIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1		-5 V	10 mA	5 V			CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J44		4.57 mm	16.5862 mm	Not Qualified						16.5862 mm
L3036	STMicroelectronics	SLIC	INDUSTRIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES		BIPOLAR	-5 V		5 V	2-4 CONVERSION	+-5	CHIP CARRIER	LDCC44,.7SQ	Analog Transmission Interfaces	1.27 mm	85 Cel		-24 TO -62	-40 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J44				Not Qualified	20 dB	CONSTANT CURRENT/RESISTIVE	e0
L3235T	STMicroelectronics	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V	8 mA	5 V	2-4 CONVERSION	+-5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	70 Cel		-48	0 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J28		4.57 mm	11.505 mm	Not Qualified			e0			11.505 mm
TDB7711P	STMicroelectronics	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES		BIPOLAR	-5 V	24 mA	5 V	2-4 CONVERSION	+-5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	70 Cel		-30 TO -72	0 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J28				Not Qualified	20 dB	RESISTIVE	e0
L3030P	STMicroelectronics	SLIC	COMMERCIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES		BIPOLAR	-5 V		5 V	2-4 CONVERSION	+-5	CHIP CARRIER	LDCC44,.7SQ	Analog Transmission Interfaces	1.27 mm	70 Cel		-48 TO 72	0 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J44				Not Qualified		CONSTANT CURRENT/RESISTIVE	e0
L3037FNTR	STMicroelectronics	SLIC	COMMERCIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V	10 mA	5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J44		4.57 mm	16.5862 mm	Not Qualified						16.5862 mm
L3037FN	STMicroelectronics	SLIC	COMMERCIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V	10 mA	5 V	2-4 CONVERSION	+-5	CHIP CARRIER	LDCC44,.7SQ	Analog Transmission Interfaces	1.27 mm	70 Cel		-24 TO -62	0 Cel	TIN LEAD	QUAD	S-PQCC-J44		4.57 mm	16.5862 mm	Not Qualified	20 dB	CONSTANT CURRENT/RESISTIVE	e0			16.5862 mm
L3035	STMicroelectronics	SLIC	INDUSTRIAL	J BEND	44	QCCJ	SQUARE	PLASTIC/EPOXY	YES		BIPOLAR	-5 V		5 V	2-4 CONVERSION	+-5	CHIP CARRIER	LDCC44,.7SQ	Analog Transmission Interfaces	1.27 mm	85 Cel		-24 TO -62	-40 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J44				Not Qualified	20 dB	CONSTANT CURRENT/RESISTIVE	e0
PBL38665/2QNS	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38621/2QNT	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		.004 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	85 Cel	12 dBrnC	-40 TO -58	-40 Cel	TIN LEAD	QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified	30 dB	CONSTANT CURRENT	e0			11.5062 mm
PBL38611/2QNT	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38610/2QNS	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38611/2QNS	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38620/2QNS	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38620/2QNT	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		.004 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	70 Cel	12 dBrnC	-40 TO -58	0 Cel	TIN LEAD	QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified	30 dB	CONSTANT CURRENT	e0			11.5062 mm
PBL38665/2QNT	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38650/2QNT	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		.004 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	70 Cel	12 dBrnC	-40 TO -58	0 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified	30 dB	RESISTIVE	e0			11.5062 mm
PBL38610/2QN	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38630/2QNS	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			5 V			CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38610/2QNT	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38621/2QNS	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			5 V			CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38665/2QN	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38630/2QN	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			5 V			CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.51 mm	Not Qualified						11.51 mm
PBL38611/2QN	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38710/1QNT	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR						CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38620/2QN	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.51 mm	Not Qualified						11.51 mm
PBL38710/1QNS	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR						CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38630/2QNT	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		.004 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	85 Cel	12 dBrnC	-40 TO -58	-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified	30 dB	RESISTIVE				11.5062 mm
PBL38650/2QNS	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38640/2QNT	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		.004 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	85 Cel	12 dBrnC	-40 TO -58	-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified	30 dB	RESISTIVE				11.5062 mm
PBL38640/2QNS	Infineon Technologies	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			5 V			CHIP CARRIER			1.27 mm	85 Cel			-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38661/2QNT	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
PBL38661/2QNS	Infineon Technologies	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V		5 V			CHIP CARRIER			1.27 mm	70 Cel			0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.5062 mm	Not Qualified						11.5062 mm
ISL5585AIM	Renesas Electronics	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			3.3 V	2-4 CONVERSION		CHIP CARRIER	LDCC28,.45SQ		1.27 mm	85 Cel	13 dBrnC	-100	-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.505 mm			CONSTANT CURRENT/RESISTIVE				11.505 mm
ISL5586BIM	Renesas Electronics	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR		.0135 mA	5 V	2-4 CONVERSION	5	CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	85 Cel	13 dBrnC	-100	-40 Cel	TIN LEAD	QUAD	S-PQCC-J28	2	4.57 mm	11.505 mm	Not Qualified		CONSTANT CURRENT/RESISTIVE	e0			11.505 mm
HC5515CM	Renesas Electronics	SLIC		J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR	-5 V	9.5 mA	5 V	2-4 CONVERSION		CHIP CARRIER	LDCC28,.5SQ		1.27 mm	70 Cel		-24 TO -58	0 Cel		QUAD	S-PQCC-J28		4.57 mm	11.505 mm			CONSTANT CURRENT/RESISTIVE				11.505 mm
ISL5585ECMZ-T	Renesas Electronics	SLIC	COMMERCIAL EXTENDED	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			3.3 V	2-4 CONVERSION		CHIP CARRIER	LDCC28,.45SQ		1.27 mm	75 Cel	13 dBrnC	-75	0 Cel	MATTE TIN	QUAD	S-PQCC-J28	3	4.57 mm	11.505 mm	Not Qualified		CONSTANT CURRENT/RESISTIVE	e3	30	245	11.505 mm
HC55184ECMZ	Renesas Electronics	SLIC	COMMERCIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			5 V	2-4 CONVERSION		CHIP CARRIER	LDCC28,.5SQ	Analog Transmission Interfaces	1.27 mm	70 Cel	19 dBrnC	-25 AND -75	0 Cel	Matte Tin (Sn) - annealed	QUAD	S-PQCC-J28	3	4.57 mm	11.505 mm	Not Qualified		CONSTANT CURRENT	e3	30	245	11.505 mm
ISL5585AIMZ	Renesas Electronics	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			3.3 V	2-4 CONVERSION		CHIP CARRIER	LDCC28,.45SQ		1.27 mm	85 Cel	13 dBrnC	+100	-40 Cel	MATTE TIN	QUAD	S-PQCC-J28	3	4.57 mm	11.505 mm			CONSTANT CURRENT/RESISTIVE	e3	30	245	11.505 mm
ISL5585CIM-T	Renesas Electronics	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			3.3 V	2-4 CONVERSION		CHIP CARRIER	LDCC28,.45SQ		1.27 mm	85 Cel	13 dBrnC	+100	-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.505 mm			CONSTANT CURRENT/RESISTIVE				11.505 mm
ISL5585DIM-T	Renesas Electronics	SLIC	INDUSTRIAL	J BEND	28	QCCJ	SQUARE	PLASTIC/EPOXY	YES	1	BIPOLAR			3.3 V	2-4 CONVERSION		CHIP CARRIER	LDCC28,.45SQ		1.27 mm	85 Cel	13 dBrnC	-85	-40 Cel		QUAD	S-PQCC-J28		4.57 mm	11.505 mm			CONSTANT CURRENT/RESISTIVE				11.505 mm

Analog Data Transmission Interfaces

Analog data transmission interfaces are used to transmit analog signals between electronic devices. They are commonly used in a variety of applications, such as audio and video equipment, medical devices, and industrial control systems.

Analog data transmission interfaces typically consist of a transmitter and a receiver. The transmitter converts the analog signal into a form that can be transmitted over a communication channel, such as a wire or radio frequency signal. The receiver then converts the transmitted signal back into its original analog form.

Some common types of analog data transmission interfaces include:

1. Analog audio interfaces: These are used to transmit audio signals between electronic devices, such as microphones, amplifiers, and speakers. Examples include XLR, RCA, and TRS connectors.

2. Composite video interfaces: These are used to transmit analog video signals, such as those used in standard definition television. Examples include RCA and BNC connectors.

3. VGA interfaces: These are used to transmit analog video signals from computers and other devices to displays, such as computer monitors and projectors.

4. Analog sensor interfaces: These are used to transmit analog signals from sensors, such as temperature sensors or pressure sensors, to electronic devices that can process and analyze the data.

Analog data transmission interfaces offer several advantages over digital interfaces. They are often simpler and less expensive to implement, and they can provide high-quality audio and video signals without the need for compression or conversion. However, they can also be susceptible to interference and noise, and their performance may be limited by the quality of the transmission channel.