HP 70340A Microwave Synthesizer, 1 GHz to 20 GHz

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The HP 70340A is a 1 to 20 GHz synthesizer in a 4-slot MMS module. With <-55 dBc harmonics and <-60 dBc spurious, and optional 1 Hz frequency resolution, the HP 70340A is a smart choice for ATE systems. Because fundamental oscillators are used, no subharmonics are generated. Accurate internal leveling provides ±0.5dB flatness at the RF output. Accurate leveled power can also be extended to distant test ports using a power meter and the built-in level correction. Modulation includes pulse, FM, and log AM. High fidelity pulses are created with <10 ns rise and fall time. An optional built-in pulse generator can be used with variable pulse rates, widths, and delays. Combining pulse modulation with log AM allows realistic simulation of antenna scanning patterns. For frequency coverage from 10 MHz to 20 GHz, the HP 70340A can be combined with the HP 70341A frequency extension module.


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All specifications below 1 GHz require use of the HP 70341A Frequency 
Extension Module.




General Specifications

Frequency Range:              0.01-20 GHz
Frequency Resolution:         1 kHz, with 1 Hz optional
Leveled Output Power (with optional step attenuator installed)
        0.01 to 1 GHz:        +13 to -90 dBm 
        1 to 18 GHz:          +10 to -90 dBm
        18 to 20 GHz:         +8 to -90 dBm
Power Resolution:             0.01 dB
Output Power
Accuracy:                     ±2 dB
Flatness:                     ±0.5 dB
Spectral Purity  			
Harmonics:                    <-55 dBc
Sub-Harmonics:                None
Non-Harmonic Spurious:        <-60 dBc
SSB Phase Noise @ 10 kHz offset:
                              -103 dBc/Hz at 500 MHz 
                              -91 dBc/Hz at 2 GHz
                              -73 dBc/Hz at 18 GHz



Pulse Modulation

On/Off Ratio:                 80 dB
Minimum Pulse Width
        0.5 to 20 GHz:        <25 ns
        0.064 to 0.5 GHz:     <100 ns
        0.01 to 0.064 GHz:    <1 µs
Rise/Fall Time  
        1 to 20 GHz:          <10 ns
        0.5 to 1 GHz:         <15 ns
        0.128 to 0.5 GHz:     <35 ns



Frequency Modulation

Rates:                        1 kHz to >1 MHz
Maximum Deviation:            10 MHz
Maximum Modulation Index:     >300




Log Amplitude Modulation

Depth:                        0-60 dBc
Sensitivity:                  -10 dB/V
Step Response:                <5 µs for 50 dB step


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HP 70340A     Microwave Synthesizer 1 to 20 GHz
   Opt 1E1    Add output step attenuator
   Opt 1E2    Add internal pulse modulation source
   Opt 1E8    Add 1 Hz frequency resolution
   Opt 1E9    3.5 mm RF output connector
   Opt 0B2    extra operating manual
   Opt 0B3    service manuals

Requires HP 70001A mainframe or HP 70004A display/mainframe.

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HP 70340A Modular Signal Generator/HP 70341A Frequency Extension Module, Data Sheet ( PDF)
HP 70340A Signal Generator, Data Sheet ( PDF)
Modular Measurement System HP 70000 Family, Catalog Supplement ( PDF)

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