SignalHawk™ PC and Rack Mount Models
39
Preamp
Controls the built-in amplifier on the signal input. This lowers the noise floor,
allowing very low power signals be detected, by giving a 24 dB nominal gain
boost.
Note:
Attenuation is automatically disabled to 0 when Preamp is
activated.
Note:
The preamp should not be used with input signals greater
than -30 dBm.
Offset
Shifts the signal to compensate for external factors (attenuation, couplers,
amplifiers, etc.) This allows for a true signal level reading.
1.
Measure the total amount of loss for all attached signal devices.
2.
Enter the measured amount as the Offset value or gain.
Example -
The system has 10 dB of loss due the use of a coupler;
enter the value of 10 in the Offset. Offset range is -100 to +100.
Units
dBm
dBm
10
Log Power Watts
30
dB
+
=
dBuV
dBm
dBuV
10
50
log
90
–
–
=
dBmV
dBm
dBmV
10
50
log
30
–
–
=
dBV
dBm
dBV
10
50
log
30
+
–
=
Volts
dBm
20
Log Power Volts
=
30
dB
+
Watts
Watts
10
dBm
30
–
10
=
Trace
Opens a trace submenu with the following options:
Clear Write
Switches off the Average and Max Hold functions.
Max Hold
Holds and displays the highest point of a any given sweep until Max Hold is
turned off.
Summary of Contents for SignalHawk SH-36S-PC
Page 26: ...SignalHawk PC and Rack Mount Models 11 Figure 7 Select DSP Device List ...
Page 67: ...Measurements 52 Figure 41 Example Channel Power Integration Bandwidth STEP 2 STEP 3 ...
Page 116: ...SignalHawk PC and Rack Mount Models 101 Figure 75 Menu Map BW Sweep Menu All Measurements ...
Page 117: ...Menu Maps 102 Figure 76 Menu Map Amplitude All Measurements ...
Page 118: ...SignalHawk PC and Rack Mount Models 103 Figure 77 Menu Map Measurement All Measurements ...
Page 119: ...Menu Maps 104 Figure 78 Menu Map Mark Limit Menu All Measurements ...
Page 120: ...SignalHawk PC and Rack Mount Models 105 Figure 79 Menu Map File Help All Measurements ...
Page 121: ...Menu Maps 106 Setup Function Menu Maps Figure 80 Map Setup Mode Main Screen ...
