89.54 €
(tax incl.)
RX preamplifier with variable gain, protections and power over coax.
RX small preamp with 2SC5551
The RX small preamp is very simply low noise preamplifier module with 2SC5551 transistor based on W7IUV design. Use it as high IP preamplifier for RX antennas, buffer amplifier or small driver.
55.66 €
(tax incl.)
55.66 €
46.00 € (without tax)
46.00 € (without tax)
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This RX small preamp with 2SC5551 is a very useful device based on W7IUV design. You can use it as high IP preamplifier for RX antennas, buffer amplifier or small driver. Gain is up to 18dB and there is also built in variable ATT. You can easy set gain as high as you need! Amplifier has got low noise - lower than 2 dB up to 50 MHz and around 2.2 dB at 150 MHz. As well you can set right transistor bias with multi turn potentiometer. Two relays offer bypass switching if there is no power supply.
Using
- High IP, Low Noise RX preamplifier - RX antennas
- Buffer amplifier
- Driver amplifier
Main functions
- Broadband: 0.1 MHz to 60 MHz (11 dB at 150 MHz)
- Very high IP3
- Good gain up to 18 dB
- Low Noise Figure (NF) 1.2 to 2 dB (2.5 dB at 150 MHz)
- High output power up to 26 dBm
- Variable ATT for gain 0 to 18 dB
- Bypass relays
- You can set transistor bias as you need by trimmer
- High quality relays with TWO contact parallel
- DC plug included
- Quality SMA connectors
- ASSEMBLED and TESTED VERSION
Parameters
- NPN transistor 2SC5551A
- Supply voltage 12 - 14 V
- BIAS current 10 to 70 mA
- Supply current up to 180 mA include relays!
- Gain up to 18 dB
- Low Noise Figure (NF) 1.2 dB (20 mA 50 MHz)
- Low Noise Figure (NF) < 2 dB (60 mA 50 MHz)
- Low Noise Figure (NF) 2.3 dB (20 mA 150 MHz)
- REAL IP3 32 dBm
- PCB size 50x50.4 mm
Available as
ASSEMBLED: ready to use
ASSEMBLED with BOX: ready to use - ASSEMBLED VERSION
KIT: all parts + PCB - KIT VERSION
KIT with BOX: all parts + PCB - KIT VERSION
Included in package
Preamp assembled and tested
DC plug - image
Manual
If you want to know more please check our wiki with RX small preamp with 2SC5551 manual.
Gain 10 dB 0.5 MHz to 50 MHz
Gain 15 dB 0.5 MHz to 50 MHz
Gain 18 dB 0.5 MHz to 50 MHz
Bypass 0.5 MHz to 50 MHz
Data sheet
- type
- ASSEMBLED
- design
- pcb module
- usage
- RX
- impedance
- both 50 & 75 Ohm
- front-end protection
- none
- frequency range
- 0.1 MHz to 60 MHz
- PCB dimensions
- 50x50.4 mm
- product weight (brutto)
- 0.09 kg
- package dimensions
- 12x10.5x4.5 cm
Specific References
- ean13
- 1000090105967
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