PGA2311 Digital Volume Control / Preamp (new)

PGA2311 Volume Control Module (fully built and tested)

• PGA2311 version 10 with Panasonic relays
  
• BB PGA2311 - brand new volume control chip, with internal resistive attenuator network, where under 0dB, the internal OPAMP is not activated, and where over 0dB, the OPAMP starts to work.
  
• Board settings: -95dB to +31dB, 1dB step
  
• AC 8V-12Vac input
  
• Fully regulated with On-Semicon 3-pin regulators. Digital section is powered by MC7805 separately for lowest interference. 
  
• Digital and analog supplies are decoupled by Philips 104 decoupling capacitors for better noise isolation/separation
  
• Separate IC for digital and relays control.
  
• STC15 series of controller is used, with off-power memory storage
  
• Uses original Panasonic TQ2 relays, lowering the signal loss
  
• Remote power off module is available for purchase
  
• Controller board and display board can be connected physically or via cable
  
• Paired with high quality ALU remote control
  

• Rotate left/right - volume control
  
• Short press  - channel switch
  
• Long press (3s) - power ON/OFF
  
• Long press (10s) - reset to default values
  
• Short press (during off) - power ON
  
• Remote - V+/0: volume, CH+/-: channel switch, Power: on/off, DSP: display current input, Mute: mute.
  
• 0dB = direct through
  
• Input: CH1, CH2, CH3, CH4
  
• Mute: ---
  
• Off: .
  
• Power on display: PGAVOL