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BUC units of L/S -band and C-band mainly consists of frequency conversion unit, L/S-band power amplifier, C-band power amplifier, power supply and control unit. The frequency conversion module is used to complete up-conversion of the IF signals input at L band to L/S-band and C-band for outputting. The internal is integrated switch, filter, IF amplifier, mixer and phase-locked loop circuit, which is able to realize signal up-conversion and meet the gain control, signal pre-amplification and filtering requirements at the same time.
a.Main Technical Indicator Requirements:
1) IF Input Power: 950MHz~1750MHz；
2) IF Input Level: -30dBm~-10dBm；
3) Output Power & Frequency: ≥50W（1.5GHz~2.7GHz）,≥100W（5.6GHz~6.5GHz）；
4) Frequency Synthesizer Switching and Frequency Locking Time: ≤100us；
5) Isolation of Input/Output Ports: ≥Gain+35dB；
6) Gain: ≥60dB；
7) Gain Adjustment Range: 30dB, (Stepping: 0.5dB)；
8) Gain Flatness: ≤4dB/Full spectrum band @25℃；
9) Gain Stability: ≤0.5dB；
10)Detection Accuracy of Output Power: 1.5dB；
11)Input Standing Wave: ≤1.5:1；
12)Output Standing Wave: ≤2.0:1；
13)Phase Noise: ≤-75dBc/Hz@1kHz；
14)Spurious: ≤-55dBc；
15)Third-order Intercept: ≤-25dBc（Interval: 5MHz）；
16)NPSD: ≤-70dBW/4KHz（1.5GHz~2.7GHz、5.6GHz~6.5GHz in-band）；
17)Reference Signal Level @ 100MHz: 0dBm±5dB（sine wave）；
18)Reference Phase Noise @ 100MHz: ≤-150dBc/Hz@1kHz。
b.Structural Appearance Requirements:
Overall Dimensions: L*W*H ≤335mm*250mm*100mm。
