[PPRAANet] Unique Test Gear available

[Dave Richey]

I am working to clear out 20+ years of Ham stuff. Two items are unique to
people who have a high interest in the technical side of Ham radio.

 

1.       HP 8754A Network Analyzer, 4 Mhz to 1300 Mhz, the ultimate antenna
analyzer. $600 (Google search will show units to be $750 ->$2000)

2.       HP 54201A Digital Oscilloscope 300Mhz repetitive, 50 Mhz single
shot. $175

 

I can be contacted at 970-690-2500 or dbrichey at comcast.net
<mailto:dbrichey at comcast.net> 

 

Dave

 

KG0WL

 

Details

 

The HP (Keysight/Agilent) 8754A network analyzer consists of an internally
leveled, 4 to 1300 MHz swept source. Polar or rectangular measurements are
displayed on a CRT through two independent channels. With appropriate signal
routing accessories, the 8754A is a fully integrated stimulus/response test
system that measures magnitude and phase characteristics of linear networks
by comparing the incident signal with the signal transmitted by the device
under test or reflected from its input.

 

The receiver provides 80 dB dynamic range in two independent measurement
channels to provide simultaneous measurement of any two transmission or
reflection parameters using a single test setup. The basic transmission
measurements are insertion loss or gain, insertion phase, and transmission
coefficient (S21 or S12). The basic reflection measurements are return loss,
from which SWR can be calculated, and reflection coefficient (S11 or S22),
from which impedance can be calculated or read from a Smith chart overlay.

 

A full line of 50 ohm and 75 ohm test sets let you tailor your test setup
for specific measurements with the minimum of equipment, or provide maximum
versatility for a wide range of applications.

 

    Frequency range: 4 MHz to 1300 MHz

    Sweep modes: Linear full sweep and calibrated sweep widths with variable
start or center frequency

    Markers

        Internal, crystal-generated harmonic markers; amplitude markers for
rectangular displays, intensity markers for polar displays

        Spacing: 1, 10, and 50 MHz

        Accuracy: ±0.01%

    Output power: Calibrated 0 to +10 dBm, accuracy ±0.8 dB, flatness ±0.5
dB

    Three input channels, R, A, B

        Two test inputs, A, B with dynamic range of 80 dB

        Reference input, R, with dynamic range of 40 dB, minimum input level
of -40 dBm

    Maximum input level: 0 dBm

    Damage level: +20 dBm (50 Vdc)

    Noise level: <-80 dBm

    Crosstalk between channels: >83 dB

    Receiver flatness

        Absolute (A, B, R): ±1 dB

        Ratio (A/R, B/R): ±0.3 dB

    Phase range: ±180°

    Phase frequency response: ≤±2.5°

    Display: CRT displays either polar trace or two independent rectangular
traces

        Channel 1: A Magnitude Absolute (dBm), R Magnitude Absolute (dBm),
A/R Magnitude Ratio (dB), B/R Magnitude Ratio (dB)

        Channel 2: B Magnitude Absolute (dBm), B/R Magnitude Ratio (dB), B/R
Phase (degrees)

        Polar: A/R Magnitude Ratio (dB) and Phase (degrees) 

    External sweep input: 0 to +10 V nominal

    Sweep output: -5 V to +5 V nominal

    External marker input: Typically, -13 dBm RF signal into the External
Marker Input will produce an amplitude or intensity marker on the trace at
the frequency of the RF signal

 

Digital Oscilloscope HP/Keysight 54201A - $175

 

condition: excellent

make / manufacturer: Hewlett Packard/Keysight

model name / number: HP54201A

Keysight - HP54201A Oscilloscope

300MHz repetitive bandwidth

Dual 200 megasample/second digitizers

50MHz single-shot bandwidth

2 Channels

Pre-trigger display

Auto scaling of input signal

Automatic measurements of waveform parameters

Infinite persistance display, plus envelope and average display modes

 

With one HP10400 probe