Geosat Block Downconverter Ka-Band (18,2-19,2 GHz) BDC | Model GBDKA181925, GBDKA181950
- 输入频率。- 18.2-19.2 GHz
- LO 频率。- 17.25
- 噪声系数 - 18 dB 最大值
- LO 稳定性 -40 至 +60℃ - +25, 50 KHz 最大值。
- 输入波导法兰- 馈通和/或输出连接器
- 电源 - +15 至 +24V DC
| Parameter | Specification | |
| Input Freq. | 18.2 - 19.2 GHz | |
| Output Freq. | 950 – 1950 MHz | |
| L.O Freq. | 17.25 GHz | |
| Noise figure | 18 dB max | |
| Conversion gain at -40 to +60℃ | 25 dB typ. (22dB min. 28dB max.) | |
| Gain flatness | 4 dBp-p max. | |
| Gain flatness at -40 to +60℃ | 5 dBp-p max. | |
| Gain ripple at per 27MHz, -30 to +60℃ | 1 dBp-p max. | |
| L.O stability at -40 to +60℃ | ±25, 50 KHz max. |
|
| Image rejection | 40 dBc min. | |
| Phase noise | -70 dBc/Hz (@1KHz) -80 dBc/Hz (@10KHz) -95 dBc/Hz (@100KHz) |
|
| Output P1dB | +5 dBm min. | |
| Ext. ref. input freq. & power | 10 MHz, -5 to +5 dBm | |
| Ext. ref. input port | Output connector | |
| Input VSWR | 2.2: 1 max | |
| Output VSWR | 2.2: 1 max | |
| Input connector | SMA-type female (option) | |
| Output connector | SMA, F, N-Type female (option) | |
| Power supply | +15 to +24V DC | |
| Power supply connector | Feed thru and/or output connector | |
| Required current | 300 mA max. | |
| Operating temperature | -40 to +60℃ | |
| Waterproof | IP 67 | |
| Dimension (exclude connector) | 89.6 x 78.0 x 40.0 mm | |
| Weight | 400 g | |