Agilent
Modules and Accuracy Specifications

		Multiplexer			Actuator	Matrix	RF Multiplexer		Multifunction
		34901A	34902A1	34908A	34903A	34904A	34905A	34906A	34907A
General
Number of channels		20 + 2 2/4 wire	16 2/4 wire	40 1 wire	20 SPDT	4 x 8 2 wire	Dual 1 x 4		See page 22 of data sheet
							50 Ω	75 Ω
Connects to Internal DMM		•	•	•
Scanning Speed		60 ch/s	250 ch/s	60 ch/s
Open/Close Speed		120/s	120/s	70/s	120/s	120/s	60/s
Input
Voltage (dc , ac rms)2		300V	300V	300V	300V	300V	42V
Current (dc , ac rms)		1A	50mA	1A	1A	1A	0.7A
Power (W , VA)		50W	2W	50W	50W	50W	20W
DC characteristics
Offset Voltage 3		<3uV	<6uV	<3uV	<3uV	<3uV	<6uV
Initial Closed Channel R 3		<1Ω	<1Ω	<1Ω	<0.2Ω	<1Ω	<0.5Ω
Isolation ch-ch, ch-earth		>10GΩ	>10GΩ	>10GΩ	>10GΩ	>10GΩ	>1GΩ
AC characteristics
Bandwidth4		10 MHz	10 MHz	10 MHz	10 MHz	10 MHz	2 GHz 5	2 GHz 5
Insertion Loss (dB)	10 MHz	—	—	—	—	—	-0.1	-0.1
	100 MHz	—	—	—	—	—	-0.4	-0.4
	500 MHz	—	—	—	—	—	-0.6	-0.5
	1 MHz	—	—	—	—	—	-1	-1
	1.5 MHz	—	—	—	—	—	-1.2	-1.5
	2 MHz	—	—	—	—	—	-3	-2
SWR	10 MHz	—	—	—	—	—	1.02	1.02
	100 MHz	—	—	—	—	—	1.05	1.05
	500 MHz	—	—	—	—	—	1.20	1.25
	1 MHz	—	—	—	—	—	1.20	1.40
	1.5 MHz	—	—	—	—	—	1.30	1.40
	2 MHz	—	—	—	—	—	1.40	2.0
ch-ch Cross Talk (dB)4	10 MHz	-45	-45	-186	-45	-33	-100	-85
	100 MHz	—	—	—	—	—	-85	-75
	500MHz	—	—	—	—	—	-65	-65
	1MHz	—	—	—	—	—	-65	-65
	1.5MHz	—	—	—	—	—	-45	-40
	2MHz	—	—	—	—	—	-35	-35
Risetime							<300ps
Signal delay							<3ns
Capacitance	HI-LO	<50pF	<50pF	<50pF	<10pF	<50pF	<20pF
	LO-Earth	<80pF	<80pF	<80pF	<80pF	<80pF	—
Volt-Hertz limit		108	108	108	108	108	1010
Other
T/C Cold Junction Accuracy3	(typical)	0.8ºC	0.8ºC	0.8ºC8
Switch life	No Load (typical)	100M	100M	100M	100M	100M	5M	5M
	Rated Load (typical)7	100K	100K	100K	100K	100K	100K	100K	100K
Temperature	Operating	all cards ¾ 0ºC to 55ºC
	Storage	all cards ¾ -20ºC to 70ºC
Humidity	(non-condensing)	all cards ¾ 40ºC / 80% RH

1. Not recommended for connection to ac line without external transient suppression
2. Channel-to-channel or channel-to-earth
3. Errors included in DMM measurement accuracy specifications
4. 50Ω source, 50Ω load
5. Bandwidth direct to card SMB connectors
6. Isolation within channel 1 to 20 or 21 to 40 banks is -40 dB
7. Applies to resistive loads only
8. Thermocouple measurements not recommended with 34908A module due to common lo configuration

± (% of reading + % of range)1 Includes measurement error, switching error, and transducer conversion error
	Range3	Frequency, etc.	24 Hour2 23ºC ± 1ºC	90 Day 23ºC ± 5ºC	1 Year 23ºC ± 5ºC	Temperature Coefficient 0ºC–18ºC, 28ºC–55ºC
DC voltage
	100.0000mV		0.0030 + 0.0035	0.0040 + 0.0040	0.0050 + 0.0040	0.0005 + 0.0005
	1.000000V		0.0020 + 0.0006	0.0030 + 0.0007	0.0040 + 0.0007	0.0005 + 0.0001
	10.00000V		0.0015 + 0.0004	0.0020 + 0.0005	0.0035 + 0.0005	0.0005 + 0.0001
	100.0000V		0.0020 + 0.0006	0.0035 + 0.0006	0.0045 + 0.0006	0.0005 + 0.0001
	300.000V		0.0020 + 0.0020	0.0035 + 0.0030	0.0045 + 0.0030	0.0005 + 0.0003
True RMS AC Voltage4
	100.0000mV to 100.0000V	3 Hz–5 Hz	1.00 + 0.03	1.00 + 0.04	1.00 + 0.04	0.100 + 0.004
		5 Hz–10 Hz	0.35 + 0.03	0.35 + 0.04	0.35 + 0.04	0.035 + 0.004
		10 Hz–20 kHz	0.04 + 0.03	0.05 + 0.04	0.06 + 0.04	0.005 + 0.004
		20 kHz–50 kHz	0.10 + 0.05	0.11 + 0.05	0.12 + 0.05	0.011 + 0.005
		50 kHz–100 kHz	0.55 + 0.08	0.60 + 0.08	0.60 + 0.08	0.060 + 0.008
		100 kHz–300 kHz5	4.00 + 0.50	4.00 + 0.50	4.00 + 0.50	0.20 + 0.02
	300.0000V	3 Hz–5 Hz	1.00 + 0.05	1.00 + 0.08	1.00 + 0.08	0.100 + 0.008
		5 Hz–10 Hz	0.35 + 0.05	0.35 + 0.08	0.35 + 0.08	0.035 + 0.008
		10 Hz–20 kHz	0.04 + 0.05	0.05 + 0.08	0.06 + 0.08	0.005 + 0.008
		20 kHz–50 kHz	0.10 + 0.10	0.11 + 0.12	0.12 + 0.12	0.011 + 0.012
		50 kHz–100 kHz	0.55 + 0.20	0.60 + 0.20	0.60 + 0.20	0.060 + 0.020
		100 kHz–300 kHz5	4.00 + 1.25	4.00 + 1.25	4.00 + 1.25	0.20 + 0.05
Resistance6
	100.0000kΩ	1mA current source	0.0030 + 0.0035	0.008 + 0.004	0.010 + 0.004	0.0006 + 0.0005
	1.000000kΩ	1mA	0.0020 + 0.0006	0.008 + 0.001	0.010 + 0.001	0.0006 + 0.0001
	10.00000kΩ	100mA	0.0020 + 0.0005	0.008 + 0.001	0.010 + 0.001	0.0006 + 0.0001
	100.0000kΩ	10mA	0.0020 + 0.0005	0.008 + 0.001	0.010 + 0.001	0.0006 + 0.0001
	1.000000MΩ	5.0mA	0.002 + 0.001	0.008 + 0.001	0.010 + 0.001	0.0010 + 0.0002
	10.00000MΩ	500nA	0.015 + 0.001	0.020 + 0.001	0.040 + 0.001	0.0030 + 0.0004
	100.0000MΩ	500 nA/10MΩ	0.300 + 0.010	0.800 + 0.010	0.800 + 0.010	0.1500 + 0.0002
Frequency and Period7
	100mV to 300V	3 Hz–5 Hz	0.10	0.10	0.10	0.005
		5 Hz–10 Hz	0.05	0.05	0.05	0.005
		10 Hz–40 Hz	0.03	0.03	0.03	0.001
		40 Hz–300 kHz	0.006	0.01	0.01	0.001
DC Current (34901A only)
	10.00000mA	< 0.1V burden	0.005 + 0.010	0.030 + 0.020	0.050 + 0.020	0.002+ 0.0020
	100.0000mA	< 0.6V	0.010 + 0.004	0.030 + 0.005	0.050 + 0.005	0.002 + 0.0005
	1.000000A	< 2V	0.050 + 0.006	0.080 + 0.010	0.100 + 0.010	0.005 + 0.0010
True RMS AC Current (34901A only)
	10.00000mA and4 1.000000A	3 Hz–5 Hz	1.00 + 0.04	1.00 + 0.04	1.00 + 0.04	0.100 + 0.006
		5 Hz–10 Hz	0.30 + 0.04	0.30 + 0.04	0.30 + 0.04	0.035 + 0.006
		10 Hz–5 kHz	0.10 + 0.04	0.10 + 0.04	0.10 + 0.04	0.015 + 0.006
	100.0000 mA8	3 Hz–5 Hz	1.00 + 0.5	1.00 + 0.5	1.00 + 0.5	0.100 + 0.06
		5 Hz–10 Hz	0.30 + 0.5	0.30 + 0.5	0.30 + 0.5	0.035 + 0.06
		10 Hz–5 kHz	0.10 + 0.5	0.10 + 0.5	0.10 + 0.5	0.015 + 0.06
Temperature	Type	1-Year Accuracy9		Extended Range	1-Year Accuracy9
Thermocouple10	B	1100ºC to 1820ºC	1.2ºC	400ºC to 1100ºC	1.8ºC
	E	-150ºC to 1000ºC	1.0ºC	-200ºC to -150ºC	1.5ºC
	J	-150ºC to 1200ºC	1.0ºC	-210ºC to -150ºC	1.2ºC
	K	-100ºC to 1200ºC	1.0ºC	-200ºC to -100ºC	1.5ºC	0.03ºC
	N	-100ºC to 1300ºC	1.0ºC	-200ºC to -100ºC	1.5ºC
	R	300ºC to 1760ºC	1.2ºC	-50ºC to 300ºC	1.8ºC
	S	400ºC to 1760ºC	1.2ºC	-50ºC to 400ºC	1.8ºC
	T	-100ºC to 400ºC	1.0ºC	-200ºC to -100ºC	1.5ºC
RTD	R0 from 49Ω to 2.1kΩ	-200ºC to 600ºC	0.06ºC			0.003ºC
Thermistor	2.2k, 5k, 10k	-80ºC to 150ºC	0.08ºC			0.002ºC

1. Specifications are for 1 hr warm-up and 61/2 digits, Slow ac filter
2. Relative to calibration standards
3. 20% over range on all ranges except 300 Vdc and ac ranges and 1 Adc and ac current ranges
4. For sinewave input > 5% of range. For inputs from 1% to 5% of range and < 50 kHz, add 0.1% of range additional error
5. Typically 30% of reading error at 1 MHz, limited to 1 x 108 V Hz
6. Specifications are for 4- wire ohms function or 2-wire ohms using Scaling to remove the offset. Without scaling, add 4 ? additional error in 2-wire Ohms function
7. Input > 100 mV. For 10 mV inputs multiply % of reading error x 10
8. Specified only for inputs >10 mA
9. For total measurement accuracy, add temperature probe error
10. Thermocouple specifications not guaranteed when 34970A module is present

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