Tekbox TBLNA-110M-50 DC-Coupled Low Noise Amplifier

The TBLNA-110M-50 is a DC-coupled amplifier with a gain of 40 dB in the frequency range DC–110 MHz.

Application

External pre-amplifier for measurement receiver TBMR-110M Pre-amplifier for amplifying low level input signals to spectrum analyzers General-purpose LNA for low and very low frequency applications, where conventional LNAs sometimes suffer from an increase in noise figure.

General specification

• Frequency range: DC – 110 MHz
• Gain: 40 dB, typ. ( ≙ linear voltage gain 100)
• RF-connectors: BNC-female

Input specification

• Input impedance: 50 Ω
• Input return loss: > 16 dB, typ.
• Input Noise Voltage: < 1.5 nV/√Hz ; 500 Hz–60 MHz: typ. 1nV/√Hz
• Maximum input level: -25 dBm ( ≙ 0.036 Vpp ); for output saturation
• Input protection: Pin-diode limiter
• Maximum ratings: +30 dBm in a 50 Ohm system / ± 0.7V DC max. input rating (± 1.5V DC, 1s)

Output specification

• Output impedance: 50 Ω
• Output return loss: > 30 dB, typ.
• P1dBout : +15 dBm (≙ 3.5 Vpp); output saturation
• IP3out : +28 dBm
• DC offset: < 10mV at output; input terminated with 50 Ohm

Supply specification

• Power-connector: Coaxial power socket; 2 mm / 5.5 mm; positive center conductor
• Indicator LEDs: Power ON, Power Good
• Operating voltage: 12 V; external power supply 100 V – 240 V, 50/60 Hz
• Current consumption: 250 mA
• Operating temperature range: -20°C to +50°C
• Dimensions: W 135 mm x H 40 mm x L 110 mm
• Weight: 330 g