If and display specifications if bandwidths, Demodulation, Maximum safe input level – Atec Agilent-8542E-8546A User Manual

Page 4: Input attenuation, Averaging bandwidths, Detectors, Preamplification, Input vswr, Front panel outputs, Rear panel inputs and outputs

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IF and Display Specifications

IF Bandwidths

Measurement (6 dB)

200 Hz, 9 kHz, 120 kHz
(conforms to CISPR Publication 16)

Bandwidth accuracy

1 MHz, 6 dB BW ± 10%

Diagnostic (3 dB)

30 Hz to 300 kHz in 1-3-10 steps
(± 20% characteristic), also 3 MHz
and 5 MHz

Demodulation

AM and FM

Inputs and Outputs Specifications

Front Panel Inputs

8542E/8546A
Low frequency

Type-N female, 50

nominal

High frequency

Type-N female, 50

nominal

85422E/85462A

Type-N female, 50

nominal

Maximum Safe Input Level

8542E/8546A
dc voltage

0 V

Average continuous power
9 kHz to 2.9 GHz

137 dBµV (30 dBm)

1 GHz to 6.5 GHz*

137 dBµV (30 dBm) with

10 dB

input attenuation

Peak pulsed power
Band 1 ( 9 kHz to 50 MHz)

2 kW peak for 10 µs, > 20 dB
input attenuation

Band 2 (20 MHz to 2.9 GHz) 100 W peak for < 10 µs, <1% duty

cycle and > 30 dB input attenuation

85422E/85462A
dc voltage

0 V (dc coupled), 50 V (ac coupled)

Average continuous power

9 kHz to 2.9 GHz

137 dBµV (30 dBm)

2.9 GHz to 6.5 GHz*

137 dBµV (30 dBm) with 10 dB
input attenuation

Peak pulsed power

50 dBm (100 W) for 10 µs pulse
width and 1% duty (Preamp off)
cycle, input attenuation

30 dB

Input Attenuation

8542E/8546A
Input attenuator

0 to 50 dB in 10 dB steps

Linearity test attenuator

4 dB

85422E/85462A
Input attenuator

0 to 70 dB in 10 dB steps

9 to 74 kHz

fixed

74 to 198 kHz

fixed

198 to 525 kHz

fixed

525 to 1025 kHz

fixed

1 to 2 MHz

fixed

2 to 6 MHz

tunable (20% 3 dB bandwidth)

6 to 17 MHz

tunable (10% 3 dB bandwidth)

17 to 29 MHz

tunable (7% 3 dB bandwidth)

29 to 52 MHz

tunable (8% 3 dB bandwidth)

52 to 98 MHz

tunable (6% 3 dB bandwidth)

98 to 152 MHz

tunable (6% 3 dB bandwidth)

152 to 216 MHz

tunable (6% 3 dB bandwidth)

216 to 330 MHz

tunable (5% 3 dB bandwidth)

330 to 500 MHz

tunable (5% 3 dB bandwidth)

0.5 to 1 GHz

tunable (4% 3 dB bandwidth)

1 to 2.9 GHz

fixed

2.9 to 6.5 GHz*

fixed

Averaging Bandwidths

30 Hz to 1 MHz in 1-3-10 steps
(± 30% characteristic) and 3 MHz.
Post-detection single pole
low-pass filters. 1, 3 and 10 Hz
digital filters with anti-aliasing

Detectors

Measurement

Peak, Quasi-Peak and Average
Quasi-Peak time constants
conform with CISPR Publication 16

Overload

8542E/8546A

Broadband RF (Bands
1 and 2 only) and IF

85422E/85462A

IF

Preamplification

8542E/8546A
Bands 1 and 2

12 dB

Band 3* and BYPASS

27 dB ± 4 dB

85422E/85462A

27 dB ± 1.5 dB

500 MHz,

± 4 dB > 500 MHz

Input VSWR

0 dB input attenuation

1.0 GHz

2 : 1

1.0 GHz <

f

0

2.9 GHz

2.5 : 1

10 dB input attenuation

1.2 GHz

1.2 : 1

1.2 GHz<

f

0

1.7 GHz

1.3 : 1

1.7 GHz<

f

0

2.9 GHz

1.6 : 1

Front Panel Outputs

Tracking generator

Type-N female, 50

nominal

85422E/85462A only
Probe power

+15 Vdc ± 7% at 150 mA max
–12.6 Vdc ± 10% at 150 mA max

Earphone jack

1/8 in monoaural jack

Calibrator signal

Type-N female, 50

nominal,

300 MHz, –20 dBm ± 0.4 dB

External ALC

negative detector

Rear Panel Inputs and Outputs

10 MHz REF OUTPUT

BNC female, 50

Output amplitude

> 0 dBm

EXT REF IN

BNC female

Frequency 10

MHz

Input amplitude range

-2 to 10 dBm

* For 8546A EMI receiver only

Input Filter Bandwidths

(all 3 dB bandwidths are characteristics)

4

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