NJS8487E新的日本电台C-频带的外部参照PLL频头
输入频率：3.625 至 4.20 GHz.
LO 稳定性：锁相至外部参考值
噪声温度：15° K.典型值最大为 30°
输出连接器：F 型母头.
型号: NJS8487E
$295.00
NJS8487E 扩展 C 波段外部参考 PLL LNB
NJRC NJS8487E C 波段外部参考 PLL LNB。 输入频率：3.625-4.200 Ghz （标准 C 波段）。 LO 频率：5.15 GHz。 噪声系数：0.22 dB。 输出连接器：F 型母头。 转换增益：59 dB| NJS8487E Specifications | |
|---|---|
| Input Frequency | 3.625 to 4.200 GHz (Standard C-Band) |
| LO Frequency | 5.15 GHz |
| IF Connector | 950 to 1525 MHz |
| LO Stability | Depends on External Reference |
| IF Connector | F-type |
| Input Interface | Waveguide, CPR229 (with Groove) |
| Output Interface | F-Type Female |
| Noise Temperature (Ta.:+25C) | 15 K typ., 30 K max. |
| Linear Gain (Ta.:+25C) | 59 dB min., 66 dB max. |
| Requirement for External Reference | |
| Input Port | IF Output connector |
| Frequency | 10 MHz (sine-wave) |
| Input Power | -5 to +5 dBm @ Input port |
| Phase Noise | -135 dBc/Hz max. @ 100 Hz -143 dBc/Hz max. @ 1 kHz -145 dBc/Hz max. @ 10 kHz |
| L.O. Phase Noise | -70 dBc/Hz typ. @ 100 Hz -80 dBc/Hz typ. @ 1 kHz -85 dBc/Hz typ. @ 10 kHz -95 dBc/Hz typ. @ 100 kHz |
| Spurious | a) -140 dBm max. at input, Fixed frequency spur, unrelated to test CW signal (Measured at specified IF band). b) -55 dBc max. with test CW signal -10 dBm IF output (Measured at specified IF band). |
| Input V.S.W.R. | 3.0:1 typ. |
| Output V.S.W.R. | 2.5:1 max. |
| Power Requirement | +24 VDC (+12 to +24 VDC) |
| Current Drain | 350 mA max. |
| Temperature Range (ambient) | -40 to +60 C (operating) -40 to +8- C (storage) |
| Dimension & Housing (L x W x H) (without Interface Connectors) |
80.8 mm x 99.6 mm x 76 mm (3.18" x 3.92" x 2.99") |
| Weight | 800 g (1.76 lbs) |