HP 54118A 18 GHz Trigger for the HP 54750A High-Bandwidth Digitizing Oscilloscope

The HP 54118A is a very high bandwidth trigger available for the HP 54750-series oscilloscopes. It offers low jitter and good sensitivity for triggering and capturing those tough, very high speed signals. It extends triggering the capability of the HP 54750-series scopes beyond 2.5 GHz up to 18 GHz.

The HP 54118A is also compatible with the HP 54120-series high bandwidth oscilloscopes.

• Frequency range 500 MHz to 18 GHz
  
  
• Nominal impedance 50 ohm
  
  
• Extend the triggering capability of the HP 54750-series or HP 54120-series scopes up to 18 GHz

Input Specifications

Frequency Range: 	        500 MHz to 18 GHz  

Connector: 		        3.5 mm (male)  

Nominal Impedance:	        50 ohms 

Coupling ac Input Sensitivity: 	
			        500 MHz to 2.0 GHz <= 50 mVp-p (-22 dBm)  
			        2.0 GHz to 12.4 GHz <= 500 mVp-p (-2 dBm)  
			        12.4 GHz to 18 GHz <=1.0 Vp-p (+4 dBm)  

Maximum Safe Input:   	        25 Vdc, 4 Vp-p ac (+16 dBm) 

Percent Reflection:   	        <= 5% for 30 ps risetime  
 
Trigger Level:		        0 V to 2 Vp-p (+10 dBm)  

Arming Level:      	        0 V to 2 Vp-p (+10 dBm)  

Holdoff:		        50 µs to 200 µs 


Output Specifications
 
Connector:       	        3.5 mm (male)  

Nominal Impedance 	        50 ohms 

Coupling:    		        ac  

Maximum Safe External Voltage: 
			        25 Vdc,  4 Vp-p ac (+16 dBm)  

Jitter (1 sigma):               <=3 % of input signal period   
			        <=2.5 ps at 12.4 GHz   
			        <=1.7 ps at 18.0 GHz


Output Operating Characteristics
Signal (into 50 ohms):   200 mV positive pulse 5 ns wide  

Delay From Trigger Edge	4 ns (approximate) 

Kickout @ Signal Input	A single, positive pulse, under 300 mV and 
			900 ps wide at the beginning of the sweep.  

Power Input Connector: 	SMB snap-on coaxial 

Voltage: 	        + 15 Vdc ± 5%  

Current:  	        150 mA max, 130 mA Typical  

Power: 	        	2.4 Watts max  


Environmental Characteristics
Temperature, Operating:          +15 °C to +35 °C 

Temperature, Storage: 	        -40 °C to +70 °C  

Humidity, Operating: 	        90 % at 35 ° C 
 
Humidity, Nonoperating: 	95 % at 65 °C  

Altitude, Operating: 	        4,600 meters  

Altitude, Nonoperating:	        15,300 meters 

Dimensions:		        212.3 mm (8.36 in) wide
			        105.3 mm (4.146 in) high
         			269.2 mm (10.6 in) long 

HP 54118A        18 GHz Trigger for the HP 54750A High-Bandwidth
                 Digitizing Oscilloscope

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