10MHz 8-way splitter and 1pps distributor
Active 8-way 10MHz/1PPS reference distributor - LED indication, per-port filtering, no buil-in TCXO
This is a sophisticated active 8-way reference signal distributor. The FDIS-8-8 model includes a 10 MHz signal distributor with the option of generating 1PPS. If you also connect a 1PPS signal to the input, it will switch from 10 MHz (divider) and distribute this signal as well - see the manual for connection details. Both the 10 MHz and 1PPS inputs include a detector and LED indication. The output signals are shaped and filtered, with the 10 MHz outputs including BPF filters. The 1PPS input is high impedance and therefore does not load the output from the signal source (GPS, GPSDO, etc.).
This is a model without a built-in TCXO - the distributed signal(s) must be connected to the input. It is an ideal distributor of reference signals for synchronized SDRs, measuring instruments, and laboratories.
Specifications
| Function | Reference signal distributor, LNB EXT bias tee reference, lab/generator/transverter reference |
|---|---|
| Supply voltage | DC 11.7 - 12.9 V |
| RF frequency distributor | 10 MHz |
| 1PPS distributor | Built-in 1PPS divider from 10 MHz (see manual) |
| Ports | 1 input to 8 outputs |
| Amplifier | Active, low noise |
| DC current | < 300 mA @ 12V, typ. 4 W |
| 10 MHz input signal | 0.1 to 5 Vpp |
| 10 MHz output | Sine wave, filtered per port |
| Output level | typ. 13 dBm ± 2 dBm @ 50 Ohm |
| 1PPS input | 0 - 3V3/5V, 0.5 to 200 MHz |
| 1PPS output | Frequency and duty cycle as at input, 3V3 or 5V (preset to 3V3) |
| LED indication | PWR, EXT 10M, EXT PPS, 1 PPS |
| RF connectors | BNC female |
| Dimensions | 177x124x62 mm |
1PPS Output voltage
You can set the output PPS voltage as needed. The 3V3 voltage should be "universal." However, if you need 5V, you must open the device and re-solder the shorting resistor from R69 to R67.
Downloads & Resources
In the box
- 10MHz 8-way distributor
- Power adapter




















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