Datasheet4U Logo Datasheet4U.com

CH-138 - Bi-Directional Coupler

Download the CH-138 datasheet PDF. This datasheet also covers the CH-138-MA variant, as both devices belong to the same bi-directional coupler family and are provided as variant models within a single manufacturer datasheet.

General Description

Bi-Directional couplers offer the ability to couple the power in two directions while maintaining directivity.

Rev.

Pin No.

Key Features

  • Constant Coupling - Within ± 0.5 dB Max.
  • MIL-STD-202 Screening Available.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CH-138-MA-COM.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
CH-130-4 30 dB Bi-directional Coupler Tyco Electronics
CH-101 ultra-low-power ultrasonic Time-ofFlight (ToF) range sensor TDK
CH-D3715PA 7-CH Darlington Sink Driver Cystech Electonics
CH-D3715PA 7-CH Darlington Sink Driver Cystech Electonics
CH-D3815PB 8-CH Darlington Sink Driver Cystech Electonics

Other Datasheets by MACOM Technology Solutions

Part Number Description
CH-132 Bi Directional Coupler
CH-134 Bi-Directional Couplers
CH-137 19.5 dB Bi-Directional Couplers
CH-140 Directional Coupler

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CH-138 11 dB, Bi-Directional Coupler, 10 - 500 MHz Features • Constant Coupling - Within ± 0.5 dB Max • MIL-STD-202 Screening Available Description Bi-Directional couplers offer the ability to couple the power in two directions while maintaining directivity. TO-8-2 Rev. V4 Pin Configuration Pin No. 1 2 3 4 5 6 Function GND B GND GND C GND Pin No. 7 8 9 10 11 12 Function GND A GND GND D GND Electrical Specifications1: TA = -55°C to +85°C Parameter Coupling Coupling Flatness VSWR Directivity Test Conditions Input to Output — All Ports Both Directions Frequency — — 10 - 500 MHz 25 - 200 MHz — Main Line Loss 2 Input Power — — — — Units Min Typ Max dB 9.8 10.8 11.8 dB — — ± 0.5 Ratio Ratio — — — 1.8:1 — 1.5:1 dB 17 — — dB Watt — — — 1.6 — 1.0 1.