Agilent E4401B Data Sheet

All specifications apply over 0 °C to + 55 °C unless otherwise noted.
The analyzer will meet its specifications after 2 hours of storage within
the operating temperature range, 5 minutes after the analyzer is turned
on, and after AUTO ALIGN [ALL] has been run.

Frequency specifications

Frequency range

E4401B

50 Ω 9 kHz to 1.5 GHz
75 Ω 1 MHz to 1.5 GHz

E4402B 9 kHz to 3.0 GHz

(opt. UKB)
dc coupled 100 Hz to 3 GHz
ac coupled 100 kHz to 3 GHz

E4404B

dc coupled 9 kHz to 6.7 GHz

(opt. UKB) 100 Hz to 6.7 GHz
ac coupled 100 kHz to 6.7 GHz
Band

0 9 kHz to 3.0 GHz

(opt. UKB) 100 Hz 3.0 GHZ

1 2.85 GHz to 6.7 GHz

E4405B

dc coupled 9 kHz to 13.2 GHz

(opt. UKB) 100 Hz to 13.2 GHz
ac coupled 100 kHz to 13.2 GHz
Band N

4

0 1– 9 kHz to 3.0 GHz

(opt. UKB) 100 Hz 3.0 GHZ
1 1– 2.85 GHz to 6.7 GHz
2 2– 6.2 GHz to 13.2 GHz

E4407B

internal mixing 9 kHz to 26.5 GHz
external mixing (opt. AYZ) 18 GHz to 325 GHz
Band N

4

0 1– 9 kHz to 3.0 GHz
1 1– 2.85 GHz to 6.7 GHz
2 2– 6.2 GHz to 13.2 GHz
3 4– 12.8 GHz to 19.2 GHz
4 4– 18.7 GHz to 26.5 GHz

Agilent E4401B, E4402B, E4404B,
E4405B, and E4407B

Technical Specifications

ESA-E Series Spectrum Analyzers

These specifications apply to the Agilent
Technologies E4401B, E4402B, E4404B,
E4405B, and E4407B spectrum analyzers.

2

Frequency reference (Opt. 1D5)

Aging ±2×10–6/year ±1×10–7/year
Temperature stability ±5×10

–6

±1×10

–8

Settability ±5×10

–7

±1×10

–8

Frequency readout accuracy

(Start, Stop, Center, Marker) ±(frequency indication x

frequency reference error

1

+ span
accuracy
+15% of RBW + 10 Hz + 1 Hz x N

4

)

Marker frequency counter

2

Accuracy

3

±(marker frequency × frequency
reference error

1

+ counter

resolution)

Counter resolution Selectable from 1 Hz to 100 kHz

Frequency span

Range 0 Hz (zero span), 100 Hz to the

range of the spectrum analyzer

Resolution Four digits or 2 Hz × N

4

whichever is greater
Accuracy ±0.5% of span
(8192 sweep points)

Frequency sweep time

Range 1 ms to 4000 s

Span = 0 Hz 10 µs to 4000 s

(Opt. AYX) 50 ns to 4000 s

(Opt. B7D) 25 ns to 4000 s
Accuracy ±1%
Sweep trigger Free run, Single, Line, Video,

External, Delay, Gate (Opt.1D6),
and TV (Opt. B7B)

Delay trigger range 1 µs to 400 s

Sweep (trace) point range 101 to 8192

Span = 0 Hz 2 to 8192

Resolution bandwidth 1 kHz to 5 MHz (–3 dB) in 1-3-10

sequence.
9 kHz and 120 kHz (–6 dB) EMI
bandwidths.

Option 1DR Adds 10, 30, 100, and 300 Hz (–3 dB)

bandwidths and 200 Hz (–6 dB)
EMI bandwidth.

Accuracy

1 kHz to 3 MHz ±15%
5 MHz ±30%

10 Hz to 300 Hz (Opt. 1DR) ±10%

Selectivity (characteristic)

–60 dB/–3 dB

10 Hz to 300 Hz <5:1

6

1 kHz to 5 MHz <15:1

6

Video bandwidth range 30 Hz to 3 MHz

6

in 1-3-10
sequence
1 Hz to 3 MHz

6

(Opt. 1DR)

Stability

Noise sidebands (1 kHz RBW, 30 Hz VBW and sample detector)

≥10 kHz offset from CW signal ≤–90 dBc/Hz + 20 Log N

4

≥20 kHz offset from CW signal ≤–98 dBc/Hz + 20 Log N

4

≥30 kHz offset from CW signal ≤–100 dBc/Hz + 20 Log N

4

≥100 kHz offset from CW signal ≤–112 dBc/Hz + 20 Log N

4

Residual FM

1 kHz RBW, 1 kHz VBW ≤150×N

4

Hz pk-pk in 100 ms

Option 1D5 ≤100×N

4

Hz pk-pk in 100 ms

Option 1DR ≤10×N

4 Hz6

pk-pk in 20 ms

Option 1DR and 1D5 ≤2×N

4

Hz pk-pk in 20 ms

System-related sidebands

≥30 kHz offset from CW signal ≤–65 dBc + 20 Log N

4

Amplitude specifications

Amplitude range

Measurement range Displayed average noise level

(DANL) to maximum safe input level

Input attenuator range

E4401B 0 to 60 dB, in 5 dB steps
E4402B/04B/05B/07B 0 to 65 dB, in 5 dB steps

Maximum safe input level

Average continuous power

(input attenuator ≥15 dB)
E4401B +30 dBm (1 W)
E4401B (75 Ω Opt. 1DP) +75 dBmV (0.4 W)

(input attenuator ≥5 dB)
E4402B/04B/05B/07B +30 dBm (1 W)

Peak pulse power

(input attenuator ≥30 dB)
E4401B +30 dBm (1 W)
E4401B (75 Ω Opt. 1DP) +75 dBmV (0.4 W)
E4402B/04B/05B/07B +50 dBm (100 W)

dc

E4401B, E4402B 100 Vdc
E4401B (75 Ω Opt. 1DP) 100 Vdc
E4404B, E4405B 0 Vdc (dc coupled)

50 V (ac coupled)
E4407B 0 Vdc

1 dB gain compression (total power at input mixer

5

)

50 MHz to 6.7 GHz 0 dBm

6.7 GHz to 13.2 GHz –3 dBm

13.2 GHz to 26.5 GHz –5 dBm

Figure 1. Noise sidebands for E4402B, E4404B, E4405B, and E4407B

3

Displayed Average Noise Level (DANL) (dBm)

(Input terminated, 0 dB attenuation, sample detector)
1 kHz RBW; 30 Hz VBW
10 Hz RBW; 1 Hz VBW

1 kHz RBW 10 Hz RBW 1 kHz RBW 10 Hz RBW

(Opt. 1DR) (w/preamp (w/preamp

Opt. 1DS) Opt. 1DR

Opt. 1DS)

E4401B

400kHz-1MHz ≤–115 ≤–134 ≤–131 ≤–149
1MHz-500MHz ≤–119 ≤–138 ≤–135 ≤–153
500MHz-1GHz ≤–117 ≤–136 ≤–133 ≤–151
1GHz-1.5GHz ≤–113 ≤–132 ≤–129 ≤–147

E4402B

30 Hz to 9 kHz6na ≤–85 na na
(opt. UKB)
9 kHz to 100 kHz6na ≤–105 na na
100 kHz to 1 mHz6na ≤–131 na na
1MHz-10MHz6≤–117 ≤–136 ≤–132 ≤–150
10MHz-1GHz ≤–117 ≤–136 ≤–132 ≤–150
1GHz-2GHz ≤–116 ≤–135 ≤–131 ≤–149
2GHz-3GHz ≤–114 ≤–133 ≤–129 ≤–147

E4404/05/07B

30 Hz to 9 kHz6na ≤–85 na na
(opt. UKB)
9 kHz to 100 kHz6na ≤–105 na na
100 kHz to 1 mHz6na ≤–131 na na
1MHz-10MHz6≤–116 ≤–135 ≤–131 ≤–149
10MHz-1GHz ≤–116 ≤–135 ≤–131 ≤–149
1GHz-2GHz ≤–115 ≤–134 ≤–129 ≤–147
2GHz-3GHz ≤–112 ≤–131 ≤–127 ≤–145
3GHz-6GHz ≤–112 ≤–131 na na
6GHz-12GHz ≤–110 ≤–129 na na
12GHz-22GHz ≤–107 ≤–126 na na

22GHz-26.5GHz ≤–101 ≤–120 na na
E4407B (Opt. AYZ)
External mixer6≤–134+ ≤–153+ na na

external mixer external mixer

conversion conversion

loss loss

Display range

Log scale 0.1, 0.2, 0.5 dB/division and 1 to 20

dB/division in 1dB steps;
ten divisions displayed.

RBW ≥1 kHz 0 to -85 dB from reference level is

calibrated

RBW ≤300 Hz (Opt. 1DR) 0 to -120

13

dB from reference level

is calibrated
Linear scale 10 divisions
Scale units dBm, dBmV, dBµV, Volts, and Watts

(Opt. BAA) add Hz

Marker readout resolution

Log scale

0 to –85 dB 0.04 dB
0 to –120 dB (Opt. 1DR) 0.04 dB

Linear scale 0.01% of reference level

Fast sweep times for zero span (Option AYX)
Log scale

0 to –85 dB 0.3 dB

Linear 0.3% of reference level

Frequency response (10 dB input attenuation)

Absolute

7

Relative flatness

8

30 Hz to 3 GHz

6

±0.5 dB ±0.5 dB

(opt. UKB)

9 kHz to 3.0 GHz ±0.5 dB ±0.5 dB

3.0 GHz to 6.7 GHz ±1.5 dB ±1.3 dB

6.7 GHz to 26.5 GHz ±2.0 dB ±1.8 dB

Input attenuation switching uncertainty at 50 MHz

Attenuation setting

0 dB to 5 dB ±0.3 dB
10 dB reference
15 dB ±0.3 dB
20 to 60 dB (E4401B) ±(0.1 dB + 0.01 x attenuator setting)
20 to 65 dB ±(0.1 dB + 0.01 x attenuator setting)

Absolute amplitude accuracy

At reference settings

15

±0.34 dB

Preamp on

16

(Opt. 1DS) ±0.5 dB

External mixer (Opt. AYZ) IF INPUT absolute amplitude

accuracy + external mixer
conversion loss accuracy

17

Overall amplitude accuracy

9

±(0.54 dB + absolute frequency

response)

RF input VSWR

6

(at tuned frequency, ≥10 dB attenuation)

E4401B

1 MHz to 1.1 GHz 1.35:1

1.1 GHz to 1.5 GHz 2:1

E4402B

9 kHz to 100 kHz 2:1
100 kHz to 3 GHz 1.4:1

E4404B/05B

9 kHz to 100 kHz 2:1
100 kHz to 6.7 GHz 1.3:1

6.7 GHz to 13.2 GHz 1.5:1

E4407B

9 kHz to 6.7 GHz 1.3:1

6.7 GHz to 13.2 GHz 1.5:1

13.2 GHz to 22 GHz 2:1
22 GHz to 26.5 GHz 2.2:1

Resolution bandwidth switching uncertainty

(Referenced to 1 kHz RBW, at reference level)
10 Hz to 3 MHz RBW ±0.3 dB
5 MHz RBW ±0.6 dB

Reference level

Range same as amplitude range
Resolution

Log scale ±0.1 dB
Linear scale ±0.12% of reference level

Accuracy (reference level ±0.3 dB @–10 dBm to –60 dBm

– attenuator setting ±0.5 dB @–60 dBm to –85 dBm
+ preamp gain) ±0.7 dB @–85 dBm to –90 dBm

Display scale fidelity

Log maximum cumulative

0 dB to –85 dB ±(0.3 dB + 0.01 x dB from reference

level)

Log incremental accuracy

0 dB to –80 dB ±0.4dB/4dB from reference level

Linear accuracy ±2% of reference level

Linear-to-log switching ±0.15 dB at reference level