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The electrical specifications apply for configuration A at TA=+25°C in a 50Ω system. Min and Max limits are guaranteed at TA=+25°C.

Parameter

Frequency (GHz)

Min

Typ.

Max

Average Coupling Factor (dB)

2-40

15.5

16.0

16.5

Coupling Loss (dB) [1]

2-40

.10

.11

.12

Direct Line Insertion Loss (dB)

DC-40

 

.55

1.15

Excess Insertion Loss (dB)4

DC-40

 

.43

1.00

Amplitude Flatness (dB)5

2-40

 

±.10

±.35

Maximum Coupling Deviation (dB)

2-40

 

±.45

±.90

Standard Directivity (dB)

2-40

16

29

 

IL Corrected Directivity (dB)6

2-40

16

30

 

Pass Band Return Loss (dB)

DC-40

17

30

 

Pass Band VSWR

DC-40

 

1.07

1.33

Impedance (Ω)

 

 

50

 



3 Coupling loss based on average coupling factor – visit our website to learn more.

4 Excess Insertion Loss = (Input Port to Output Port Insertion Loss) – Coupling Loss.

5 Amplitude Flatness = Median value of ABS(Measured Coupling Power – Average Coupling Factor).

6 IL Corrected Directivity = Directivity + Insertion Loss.

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CE16-0240 Coupler Package Diagram
The CE16-0240 is a next generation broadband 2GHz to 40GHz, 16dB directional coupler from the Marki Elite Series. Conductive paint is applied to all Elite Series products to reduce EMI/RFI leakage and susceptibility. The CE16-0240 offers the best directivity, return loss, and coupling accuracy available on the market. Available as both a three port directional coupler and a four port bidirectional coupler, the CE16-0240 is an exceptional choice for broadband return loss measurements, power leveling, and signal monitoring applications. Sophisticated neural network design techniques combined with deep circuit knowledge and triplate stripline construction allow the Marki Elite Series of Couplers to provide superior performance to all other directional couplers available.

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