HP 181A manual Instrument Inputs, Channel 3 Input Specifications4, Channel 3 Input Characteristics

Chapter 7 HP 53131A/132A Specifications

Instrument Inputs (Continued)

Instrument Inputs (Continued)

Channel 3 Input Specifications4, 5

Frequency Range
Option 030	100	MHz to 3 GHz
Option 050	200MHz to 5 GHz
Option 124	200	MHz to 12.4 GHz

Channel 3 Input Characteristics

Impedance:	50 Ω
Coupling:	AC
VSWR:	< 2.5:1

Power Range and Sensitivity (Sinusoid)

Option 030
100 MHz to 2.7 GHz:	–27 dBm to +19 dBm
2.7 GHz to 3 GHz:	–21 dBm to +13 dBm
Option 050
200MHz to 5 GHz:	–23 dBm to +13 dBm
Option 124
200 MHz to 12.4 GHz	–23 dBm to +13 dBm
Damage Level:
Option 030	5 Vrms
Option 050	+25 dBm
Option 124	+25 dBm

7

External Arm Input Specifications

Signal Input Range:

TTL compatible
Timing Restrictions:
Pulse Width:	> 50 ns
Transition Time:	< 250 ns
Start-to-Stop Time:	> 50 ns
Damage Level:	10 Vrms

External Arm Input Characteristics

Impedance:	1 kΩ
Input Capacitance:	17 pF
Start Slope:	Positive or Negative
Stop Slope:	Positive or Negative

Notes:

External Arm is available for all measurements except Peak Volts.

External Arm is referred to as External Gate for some measurements.

4Channel 3 is available as an option.

5When ordered with optional rear terminals, the Channel 3 connector on the front panel for Option 030 will be routed to the rear panel (rear panel only). There is no degradation in specifications for this input. Option 050 and Option 124 input connectors are available on the front

panel only.

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Assembly-Level Service Guide 7-3