3140A Series
3140A Series
Bird RF
Transmitter RF Power Monitor Display
The 3140A Meter Panel is the standard display and power supply for TPM Series, Transmitter RF Power Monitors. The panel is available either the 3140A4, 4 channel or 3140A8, 8 channel configuration and fits in a standard 2U rack. A a single 15V power supply is supplied with each panel providing power to multiple TPM RF monitors. The display supplies a visual indication of Forward and Reflected power being sampled by the inline TPM. Multiple TPM’s can be selected (only one per channel setting) to give the operator an overall condition of the transmitter system.
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3140A Series Specifications
- FWD/RFL Meter - Provides visual indication of measured power for selected TPM.
- Meter Adjustment Pot - Provides full scale meter calibration.
- Channel Selector - Selects either one of four (3140A4) or one of eight (3140A8) connected TPM’s.
- Power Button - Applies DC input power to panel meter.
- Zero Calibrate Switch - Grounds pin 9 to Zero calibrate the selected TPM.
- DB9 Connection - Interface connection to TPM’s. Provides power and Zero adjust to connected TPM’s. Receives TPM output to drive meters.
| Attribute | Value |
|---|---|
| Product Brand Name | Transmitter Power Monitor Display Panels |
| Manufacturer | Bird |
| Certificates | CE, RoHS |
| Altitude | 3,000 m | 10,000 ft. (max); above sea level |
| Power | 115/230 Vac @ 50/60 Hz |
| Display Type | Two backlit analog meters. One displays forward power as measured on the selected TPM, the other displays reflected power. Which TPM’s readings are displayed on the meters is controlled by a switch on the front panel. |
| Interface | TPM Connectors: DB9(F), either 4 or 8 connectors on the back panel DB9 Pinout: Same as TPM DB9 pinout |
| Temperature Range | Operating 0 to +50 °C (32 to 122 °F) Storage: –20 to +80 °C (–4 to +176 °F) |
| Dimensions | 2U EIA |
| Calibration | Panel Meters can be calibrated independently of the TPMs. There is one user‐adjustable pot for each meter. |
| Attribute | Value |
|---|---|
| Data Sheet | Click here to view |
