Frequency Conversion Board

Parameter Category

Specific Specifications

Input & output

Input frequency: 6~18GHz;

Conversion channel gain: 25±1 dB;

Output P-1 (1dB compression point): ≥7dBm;

Output saturation power: ≤10dBm (under LDZC mode with large signal input);

Output frequency: 1800MHz±500MHz (1000MHz bandwidth), 1800MHz±30MHz (60MHz bandwidth);

Power range to AD acquisition module port: direction-finding channel linear power (-45~5dBm), side-lobe suppression channel linear power (-45~5dBm)

Channel Performance

Inter-channel amplitude consistency (pre-calibration): ≤±2dB (within 1GHz bandwidth);

Inter-channel amplitude stability: ≤±0.5dB (within 1GHz bandwidth);

Inter-channel phase consistency (pre-calibration): ≤±45° (within 1GHz bandwidth);

Inter-channel phase stability: ≤±5° (within 1GHz bandwidth);

Channel isolation: ≥55dBc;

Noise figure: better than 15dB

Signal Quality

Phase Linearity: ≤±15° (within bandwidth, between two points with 5MHz interval);

Two-tone instantaneous dynamic:

 ≥50dB (TZ mode, 1MHz two-tone interval), ≥35dB (LZ mode, 1MHz two-tone interval);

Spurious suppression: ≥55dBc;

In-band flatness: ≤±3dB (1GHz bandwidth), ≤±1dB (60MHz bandwidth);

Image rejection: ≥55dBc (LD mode), ≥60dBc (TX mode)

Interface Parameters

VPX interface model: JVPX-61T8aNN8DDDN8-A;

RF input/output interface: JVPX-12S10;

Power input interface: VPX P0 Port;

VSWR (voltage standing wave ratio): ≤2.0 (RF input/output, LO input);

LO input power: (0±2)dBm

IF Parameters

IF attenuation: ≥30dB, 1dB step (10dB preset for IF power adjustment);

IF out-of-band suppression:

1.8GHz±500MHz: ≥55dBc @ (DC~1100MHz, 2500~10000MHz);

1.8GHz±30MHz: ≥60dBc @ (DC~1700MHz, 1900~10000MHz, 8x decimation)