950-2150MHz L Band LNB 高频头 降频器 低噪声下变频器

Frequency Step

1 kHz

Gain

≥30 dB

Gain Flatness

±1.0 dB / 36 MHz

Gain Stability

±0.25 dB/day (constant temperature)
±1.5 dB (0 ℃ to +50 ℃)

Attenuation Control

0–30 dB, step 0.5 dB

Third-order Intermodulation

-40 dBc @ (P1dB -10 dB), Δf = 5 MHz

Image Rejection

≥80 dBc (downconverter only)

LO Leakage

≤ -70 dBm (RF port)

Spurious Output

≤ -60 dBc (carrier-related spurious)
≤ -60 dBm (carrier-unrelated spurious)

Reference Clock

External 10 MHz, 0 ± 3 dBm (preferred)
Internal/external clock auto-switching

Phase Noise

-80 dBc/Hz @ 100 Hz
-85 dBc/Hz @ 1 kHz
-90 dBc/Hz @ 10 kHz
-100 dBc/Hz @ 100 kHz

VSWR

1.35:1

RF Interface

SMA-50K (optional N-50K)

IF Interface

SMA-50K (optional N-50K)

External Ref Interface

BNC-50K

Control Interface

RJ-45 (Ethernet)
DB-9S (female) (RS-232/RS-422/RS-485)
Optional DB-9P (male)

Power Interface

IEC-320 C14

Operating Temperature

0 ℃ to +50 ℃

Storage Temperature

-30 ℃ to +70 ℃

Dimensions

19-inch rack, 1U height

Weight

Approx. 6 kg

Power Supply

AC 220 V, 50 Hz

Power Consumption

40 W (typical)