HP 181A manual Channel 2 Input Specifications3, Channel 2 Input Characteristics

Chapter 8 HP 53181A Specifications

Instrument Inputs (Continued)

Instrument Inputs (Continued)

Channel 2 Input Specifications3, 4

Frequency Range
Opt. 015	100	Mhz to 1.5 Ghz
Opt. 030	100	MHz to 3 GHz
Opt. 050	200MHz to 5 GHz
Opt. 124	200	MHz to 12.4 GHz

Channel 2 Input Characteristics

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

Power Range and Sensitivity (Sinusoid)

Option 015

100 MHz to 1.5 GHz: –27 dBm to +19 dBm

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

200MHz to 12.4 GHz: –23 dBm to +13 dBm

Damage Level:
Option 015, 030	5 Vrms
Option 050, 124	+25 dBm

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 available for all measurements except Peak Volts.

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

8

3Channel 2 is available as an option.

4When ordered with optional rear terminals, the Channel 2 connector on the front panel for Options 015 or 030 will be removed. There is no degradation in specifications for this input. Option 050 and Option 124 input connectors are available on the front panel only.

Assembly-Level Service Guide 8-3