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RF SYNTHESIZERS SINGLE CHANNEL PLATFORM

Holzworth's RF Synthesizers Modules were originally designed as the internal, tunable LO test sources for Holzworth phase noise analyzer products. Due to the need for easy integration, the HSM Series designs incorporate a long list of electrical and mechanical features to satisfy the demanding requirements of today's high performance communications systems and integrated test systems. FIELD PROVEN RELIABLITY with MTBFs exceeding 240 kHrs.

 

HSM SERIES: SINGLE CHANNEL MODULES

The Holzworth HSM Series RF Synthesizers are microwave CW sources that are architected on a non-PLL based platform.

The digital-analog hybrid design provides excellent phase noise performance and spurious response, which complement the phase coherent nature of these digital-analog hybrid signal sources.

The HSM Series offers several models that cover increasingly wider bandwidths so users can best match an application requirement while optimizing the price point.

 

HSM SERIES SPECIFICATIONS

PART NUMBER Bandwidth Output Power Phase Noise (10kHz OS) 2nd Harmonic Spurious Download
HSM1001B 10 MHz to 1 GHz -50 dBm to +20 dBm -132 dBc/Hz at 1 GHz -42 dBc -70 dBc Datasheet
HSM2001B 10 MHz to 2 GHz -50 dBm to +20 dBm -126 dBc/Hz at 2 GHz -45 dBc -70 dBc
HSM3001B 10 MHz to 3 GHz -50 dBm to +20 dBm -122 dBc/Hz at 3 GHz -45 dBc -65 dBc
HSM4001B 10 MHz to 4 GHz -50 dBm to +20 dBm -120 dBc/Hz at 4 GHz -45 dBc -65 dBc
HSM6001B 10 MHz to 6.4 GHz -50 dBm to +20 dBm -116 dBc/Hz at 6 GHz -50 dBc -60 dBc
HSM12001B 10 MHz to 12.5 GHz -20 dBm to +20 dBm -110 dBc/Hz at 12 GHz -35 dBc -65 dBc Datasheet
HSM18001B 10 MHz to 20 GHz -20 dBm to +20 dBm -106 dBc/Hz at 18 GHz -25 dBc -60 dBc

 

HSM SERIES FREQUENCY SWITCHING SPEED

The frequency switching speed of the HSM Series is faster than most. Unlike PLL based architectures, the non-PLL based HSM Series does not exhibit any significant settling time after a frequency change. Settling time is not always clearly specified in PLL based synthesizer datasheets even though it is often a large contributor to the overall switching speed.

 

COMMAND MODE Typical Switching Speed
SPI (ASCII) 350µs
SPI (BINARY) 200µs
List/Step Sweep Mode (WB) 70µs
List/Step Sweep Mode (NB) 6µs

 

BURST MODE SELF PULSE MODULATION

Pulse modulation "burst mode" does not require an external stimulus signal. The programmable self pulse modulation function exhibits very fast rise and fall times with minimal overshoot or ringing.

The screen shot shown here demonstrates an approximate 10ns risetime (Tr) when operating at a frequency of 500MHz. The pulse width is approximately 100us in this example.

Refer to the product datasheet for more details.

 

COMMAND / CONTROL

The native I/O interface for the HSM Series is via SPI, which is preferred for most integrated applications. When used with a USB Communications Module or an Ethernet Communications Module, these synthesizer modules can be controlled with the Holzworth Application GUI or directly via addressed command lines.

 

HCM Model No. HCM Description Matching HSM Model(s)
HCM1 USB Communications Module HSM1001B through HSM6001B
HCM3 Ethernet Communications Module HSM1001B through HSM6001B
HCM6 USB Communications Module HSM12001B and HSM18001B
HCM7 Ethernet Communications Module HSM12001B and HSM18001B

 

DO YOU NEED BETTER PERFORMANCE? Check out the HSX SERIES SIGNAL GENERATORS

 

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