ADL5920 9 kHz to 7 GHz bidirectional RMS and VSWR detector detection module

Description

ADL5920 9 kHz to 7 GHz bidirectional RMS and VSWR detector detection module
Description
First, the core chip parameters introduced
The ADL5920 is an ultra-wideband bidirectional detector that measures both forward and reverse rms power levels and return loss in a single signal path.
The forward and reverse power flowing through the integrated bidirectional bridge will be measured using two 50 dB dB linear rms detectors. The detector output voltages provided on the VRMSF and VRMSR pins are proportional to the forward and reflected power (in dBm). The third differential output generates a voltage proportional to the return loss (reflectance, in dB), which is closely related to the voltage standing wave ratio (VSWR). The common mode level of this output can be externally adjusted via the VOCM pin.
The primary transmission line of the bidirectional bridge from RFIN to RFOUT (and vice versa) is a DC-coupled line that allows a small amount of DC bias current to flow through the bridge. When DC is coupled to the source and load, the positive and negative supply pins of the ADL5920 must be tied to +5 V and −2.5 V, respectively (relative to the DC voltage on RFIN and RFOUT). The internal detector circuit is also DC coupled to the bidirectional bridge to support measurements down to 9 kHz.
For open and shorted terminals, the maximum input signal on each RF port (RFIN and RFOOUT) is 30 dBm and the matched terminal electrode is 33 dBm.
The ADL5920 consumes 160 mA from a 5 V supply and has a low-power shutdown mode controlled by the PWDN/TADJS pin.
Second, the core chip application
1. Broadband online power and return loss measurement
2. Transmit power control and automatic level control in wireless transmitters, signal generators, network analyzers and wireless communication testers
3. Stateful monitoring of system modules, cables and connectors
Third, the core chip features
1. Broadband matching 9 kHz to 7 GHz operation
2. Forward and reverse power and return loss measurements
3. Input range is 49 dB ±1.0 dB, minimum input level is −19 dBm, ±1.0 dBdB at 1 GHz Linear rms (crest factor sensitive) output
4. Insertion loss: 1.1 dB at 1 GHz and 1.9 dB at 6 GHz
5, input and output return loss and VSWR
1 GHz: 22 dB/1.16:1
3 GHz: 14 dB/1.5:1
6 GHz: 12 dB/1.7:1
6. Output IP3: 70.5 dBm at 1 GHz
7, directionality
20 dB at 1 GHz
13 dB at 3 GHz
5 dB at 6 GHz
8, the maximum input power
9. Open or shorted terminal electrode is 30 dBm
10, the matching terminal electrode is 33 dBm
Fourth, the main parameters of the module
Operating frequency range: 9 kHz to 7 GHz;
Size: 3.5cm * 4cm (without protruding SMA);
Power supply: +7-+10V (module has LDO chip, voltage regulator gets 5V to power the chip)
Reserve 6 SMA interfaces, only RF input, RF output, forward power, reverse power, differential + power, differential-power.
Package Included:
1 x
ADL5920 9 kHz to 7 GHz bidirectional RMS and VSWR detector detection module
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