Frequency Synthesizer Model : DPL-4.2GF
Frequency Synthesizer
Programmable Frequency Synthesizer
Product Summary
DPL-4.2GF is a frequency Synthesizer which can generate any frequency from 50MHz to 4.2GHz ,
utilizing PLL technique(Phase Locked Loop)in 1Hz step.
It can be used as a clock source or local oscillator for any application because of its excellent phase noise and low spurious level.
When a sine wave is needed, low pass filter should be attached for removing harmonics.
The frequency can be set not only with asynchronous serial data but by SPI serial data.
USB Interface adaptor is available as an option.
utilizing PLL technique(Phase Locked Loop)in 1Hz step.
It can be used as a clock source or local oscillator for any application because of its excellent phase noise and low spurious level.
When a sine wave is needed, low pass filter should be attached for removing harmonics.
The frequency can be set not only with asynchronous serial data but by SPI serial data.
USB Interface adaptor is available as an option.
Specification
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| Power Supply / Current |
+6V±5%, <700mA |
|---|---|
| Frequency Range | 50MHz to 4.2GHz |
| Frequency Resolution | 1 Hz step |
| Output Level | >+10dBm |
| Output Impedance | 50 Ohm |
| Spurious | <-60 dBc |
| Harmonics | <-8 dBc |
| Internal Reference Clock Accuracy | <±2ppm 0 to 50 degC |
| External Reference Clock and Level | 10MHz -6dBm to +6dBm |
| External Clock Input Impedance | High Impedance (>1k Ohm) |
| Lock Time |
max 5msec (1) SPI: from SPI_STRB rise edge to detection of PLL_LD (2) SCI: from receipt of "CR" to detection of PLL_LD |
| Interface |
(1)Asynchronous Serial Communication
9600bps, 8 bit, 1 stop bit, non parity 3.3V CMOS level (2)SPI serial communication 3 bytes data 3.3V CMOS level |
Environmental condition
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| Operating Temperature Range |
0 to +50 degC (In case of being installed with thermal resistance 5.0 degC/W heat sink) |
|---|
Size / Weight
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| Outer Dimensions | 50 x 60 x 12.5 mm |
|---|---|
| Weight |
about 80gs (module) about 160gs (including heat Sink) |
Phase noise
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Phase Noise (Typical)@4GHz
| Offset frequency [Hz] | Phase Noise [dBc/Hz] |
|---|---|
| 100 | -80 |
| 1k | -97 |
| 10k | -102 |
| 100k | -105 |
| 1M | -126 |
Reference material
Block diagram
Option
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USB Interface USBIF-01