HEWLETT PACKARD HP 5384A HP5384A FREQUENCY COUNTER

Description

Keysight (Agilent/HP) 5384A Opts: no option
Frequency Range Ch. A from 10 Hz to 100 MHz, Ch. B from 50 to 225 MHz. Sensitivity Ch. A 15 - 25 mV, Ch. B 10 mV rms. HP-IB interface.
Option:
no option
Selling item as is. Turns on and display changes when I press buttons.
Agilent 5384A Frequency Counter Data Sheet
Channel A Characteristics Range: 10 Hz to 100 MHz
Sensitivity: [MAIN LEVEL] off
15 mVrms sine wave 50 Hz to 100 MHz
25 mVrms sine wave 10 Hz to 50 Hz
45 mV pk-pk 5 ns minimum pulse width
Dynamic Range: 45 mV to 4 V pk-pk × attenuator setting.
Coupling: AC Impedance: X1: 1 Mohm NOMINAL | | <25 pF
X20: 500 kohm NOMINAL | | <25 pF
Attenuator: X1 or X20 NOMIONAL, X20 increases to X40 below 50 Hz Low Pass Filter: 100 kHz NOMINAL 3 dB point
Channel B Characteristics
Range: 50 to 225 MHz
Sensitivity: 10 mVrms 50 to 200 MHz, 15 mVrms 200 to 225 MHz
Coupling: AC
Dynamic Range: 10 mV to 1 Vrms
Impedance: 50 ohm NOMINAL
Attenuator Level: Manual: variable from X1 to X5 (0 to 14 dB) NOMINAL
Auto: AGC mode for improved noise suppression.
Damage Level: 350 VDC + 5 Vrms AC
Timebase
Frequency: 10 MHz
Aging Rate: <3 × 10e-7/mo.
Temperature: <5 × 10e-6, 0 degrees to 50 degrees C. Ref. to 25 degrees C.
Line Voltage: <1 × 10e-7 for ±10% variation.
Frequency A and B
Range Channel A: 10 Hz - 100 MHz
Range Channel B: 50 MHz - 225 MHz
LSD Displayed: 10 Hz to 1 nHz
LSD ((4 nsec) / (Gate Time)) × FREQ
Resolution: ±1 LSD ± ((1.4 × Trigger Error + 1 nsec rms) / (Gate Time)) × Freq
Accuracy: ± Resolution ± Time Base Error × Period
Agilent technologies-