Difference between revisions of "6 Channel Relay Driver Card"

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−
[[FILE:RELAY_DRVR_3D.png]]
+
[[FILE:RELAY_DRVE_P1981-720PX.jpg]]
  
 
== Features ==
 
== Features ==
  
 +
* Drives relays on [https://qrp-labs.com/ultimatelpf.html QRP Labs Ultimate relay-switched BPF/LPF kit]
 +
** Drives either receiver Band Pass (BP) Filters or transmitter Low Pass (LP) Filters
 +
** Open collector to turn on/off relay
 +
** Drives low to turn on relay
 +
*** Other side of relay pulled up to 5V
 +
** User should only turn on one output at a time
 
* Inputs
 
* Inputs
−
** 6 channels
+
** 6 channels (5 used with Ultimate Relay Card)
 
** Active-high in to drive relay to on state
 
** Active-high in to drive relay to on state
−
** 1K to transistor base
+
** 3.3K to transistor base
−
*** 2.7mA for 3.3V drive
+
*** 1 mA for 3.3V drive
−
*** 4.3mA for 5V drive
+
*** 1.5 mA for 5V drive
 
* Outputs
 
* Outputs
−
** Open Collector outputs from 2N3904 NPN transistors
+
** Open Collector outputs from [https://media.digikey.com/pdf/Data%20Sheets/NXP%20PDFs/2N3904.pdf 2N3904] NPN transistors
 
* Power
 
* Power
−
** 9-12V power in
+
** 9-14V power in
 
** 5V power out to power relays
 
** 5V power out to power relays
 
** DC jack
 
** DC jack
 
* 36x37mm card
 
* 36x37mm card
 
** 3 PCBs for $11 from OshPark
 
** 3 PCBs for $11 from OshPark
 +
 +
== Ultimate Relay Card ==
 +
 +
* [https://qrp-labs.com/ultimatelpf.html Ultimate relay-switched LPF kit]
 +
**  [https://qrp-labs.com/images/ultimatelpf/assembly_ulpf2.pdf Ultimate relay-switched LPF kit Build Instructions]
 +
* Takes five [https://qrp-labs.com/bpfkit.html QRP Labs Bandpass Filters] or [https://qrp-labs.com/lpfkit.html Low Pass Filters]
 +
 +
[[file:Ultimate_Relay_Card_5.jpg]]
 +
 +
=== Ultimate Relay Card Connections ===
 +
 +
* The RF input is the RFI pin of the 2 x 5-pin header on the left of the board (same as in the Low Pass Filter kit usage)
 +
* RF output cut the track from the SMA connector center pins and add a wire to connect it to the common bus track that runs horizontally across the board, finishing at the "RF" pad circled in yellow
 +
* Cut/Jumper
 +
** Cut on top side near Vertical SMA
 +
** Jumper on rear side
 +
 +
[[file:SWITCHED_FILTER_Cuts.PNG]]
 +
 +
* Jumpers
 +
 +
=== Ultimate Relay Card Jumpers - Band Pass (BP) ===
 +
 +
* To switch Band Pass (BP) filters, use the jumper configuration shown below
 +
 +
[[file:jumpers-BPF.gif]]
 +
 +
=== Ultimate Relay Card Connectors ===
 +
 +
[[file:SWITCHED_FILTER_Conns.PNG]]
 +
 +
# +5V
 +
# B5
 +
# B3
 +
# B4
 +
# B1
 +
# B2
 +
# GND
 +
# RFIn
 +
# GND
 +
# RFOut
  
 
== Connectors ==
 
== Connectors ==
Line 36: Line 83:
  
 
[[FILE:RELAY_DRVR_J2.PNG]]
 
[[FILE:RELAY_DRVR_J2.PNG]]
 +
 +
# GND
 +
# OUT6
 +
# OUT5
 +
# OUT4
 +
# OUT3
 +
# OUT2
 +
# OUT1
 +
# 5V OUT
  
 
=== Power Connector ===
 
=== Power Connector ===
  
 +
* 7-14V input
 
* Center positive
 
* Center positive
 +
 +
== Control via VFO-003 ==
 +
 +
* [[VFO-003]]
 +
** Band select via menu option
 +
* J8 - Arduino P5-P9
 +
* Arduino pins
 +
 +
# Arduino D5 - 10M select
 +
# Arduino D6 - 15M select
 +
# Arduino D7 - 20M select
 +
# Arduino D8 - 40M select
 +
# Arduino D9 - 80M select
 +
# Vcc
 +
# GND
 +
# GND
 +
 +
[[file:VFO-003_J8.PNG]]
 +
 +
== Cables ==
 +
 +
===  VFO-003 to Relay Driver Card ===
 +
 +
{| class="wikitable"
 +
! RLY_DRVR pin
 +
1x8 BERG
 +
! Signal
 +
! Function
 +
! VFO-003_Pin
 +
1x8 BERG
 +
|-
 +
| 1
 +
| N/C
 +
| N/C
 +
|
 +
|-
 +
| 2
 +
| IN1
 +
| 10M
 +
| 1
 +
|-
 +
| 3
 +
| IN2
 +
| 15M
 +
| 2
 +
|-
 +
| 4
 +
| IN3
 +
| 20M
 +
| 3
 +
|-
 +
| 5
 +
| IN4
 +
| 40M
 +
| 4
 +
|-
 +
| 6
 +
| IN5
 +
| 80M
 +
| 5
 +
|-
 +
| 7
 +
| IN6
 +
| N/C
 +
|
 +
|-
 +
| 8
 +
| GND
 +
| GND
 +
| 7
 +
|-
 +
|}
 +
 +
=== Relay Driver to Relay Card ===
 +
 +
{| class="wikitable"
 +
! RLY pin
 +
2x5 BERG
 +
! Signal
 +
! Function
 +
! RLY_DRVR pin
 +
1x8 BERG
 +
! Signal
 +
|-
 +
| 1
 +
| +5V
 +
| Power
 +
| 8
 +
| 5V
 +
|-
 +
| 2
 +
| B5
 +
| 80M
 +
| 3
 +
| OUT5
 +
|-
 +
| 3
 +
| B3
 +
| 20M
 +
| 5
 +
| OUT3
 +
|-
 +
| 4
 +
| B4
 +
| 40M
 +
| 4
 +
| OUT4
 +
|-
 +
| 5
 +
| B1
 +
| 10M
 +
| 7
 +
| OUT1
 +
|-
 +
| 6
 +
| B2
 +
| 15M
 +
| 6
 +
| OUT2
 +
|-
 +
| 7
 +
| GND
 +
| RF Gnd
 +
| N/C
 +
| GND
 +
|-
 +
| 8
 +
| RFI
 +
| RF In
 +
| N/C
 +
|
 +
|-
 +
| 9
 +
| GND
 +
| Power
 +
| 1
 +
| GND
 +
|-
 +
| 10
 +
| RFO
 +
| N/C
 +
| N/C
 +
|
 +
|-
 +
|
 +
|
 +
|
 +
| 2
 +
| N/C
 +
|-
 +
|}
 +
 +
== Testing ==
 +
 +
* Apply 9-12V to DC jack
 +
* Use LED w/ resistor on output to check 5V
 +
* One channel at a time
 +
** Pull up channel input to +5V
 +
** Check output with LED pulled up to +5V out
  
 
== CAD ==
 
== CAD ==
  
 
[[FILE:RELAY-DRV_CAD.PNG]]
 
[[FILE:RELAY-DRV_CAD.PNG]]

Latest revision as of 18:53, 27 January 2022

RELAY DRVE P1981-720PX.jpg

Features

  • Drives relays on QRP Labs Ultimate relay-switched BPF/LPF kit
    • Drives either receiver Band Pass (BP) Filters or transmitter Low Pass (LP) Filters
    • Open collector to turn on/off relay
    • Drives low to turn on relay
      • Other side of relay pulled up to 5V
    • User should only turn on one output at a time
  • Inputs
    • 6 channels (5 used with Ultimate Relay Card)
    • Active-high in to drive relay to on state
    • 3.3K to transistor base
      • 1 mA for 3.3V drive
      • 1.5 mA for 5V drive
  • Outputs
    • Open Collector outputs from 2N3904 NPN transistors
  • Power
    • 9-14V power in
    • 5V power out to power relays
    • DC jack
  • 36x37mm card
    • 3 PCBs for $11 from OshPark

Ultimate Relay Card

Ultimate Relay Card 5.jpg

Ultimate Relay Card Connections

  • The RF input is the RFI pin of the 2 x 5-pin header on the left of the board (same as in the Low Pass Filter kit usage)
  • RF output cut the track from the SMA connector center pins and add a wire to connect it to the common bus track that runs horizontally across the board, finishing at the "RF" pad circled in yellow
  • Cut/Jumper
    • Cut on top side near Vertical SMA
    • Jumper on rear side

SWITCHED FILTER Cuts.PNG

  • Jumpers

Ultimate Relay Card Jumpers - Band Pass (BP)

  • To switch Band Pass (BP) filters, use the jumper configuration shown below

Jumpers-BPF.gif

Ultimate Relay Card Connectors

SWITCHED FILTER Conns.PNG

  1. +5V
  2. B5
  3. B3
  4. B4
  5. B1
  6. B2
  7. GND
  8. RFIn
  9. GND
  10. RFOut

Connectors

J1 - Input Connector

RELAY DRVR J1.PNG

  1. N/C
  2. IN1
  3. IN2
  4. IN3
  5. IN4
  6. IN5
  7. IN6
  8. GND

J2 - Output Connector

RELAY DRVR J2.PNG

  1. GND
  2. OUT6
  3. OUT5
  4. OUT4
  5. OUT3
  6. OUT2
  7. OUT1
  8. 5V OUT

Power Connector

  • 7-14V input
  • Center positive

Control via VFO-003

  • VFO-003
    • Band select via menu option
  • J8 - Arduino P5-P9
  • Arduino pins
  1. Arduino D5 - 10M select
  2. Arduino D6 - 15M select
  3. Arduino D7 - 20M select
  4. Arduino D8 - 40M select
  5. Arduino D9 - 80M select
  6. Vcc
  7. GND
  8. GND

VFO-003 J8.PNG

Cables

VFO-003 to Relay Driver Card

RLY_DRVR pin

1x8 BERG

Signal Function VFO-003_Pin

1x8 BERG

1 N/C N/C
2 IN1 10M 1
3 IN2 15M 2
4 IN3 20M 3
5 IN4 40M 4
6 IN5 80M 5
7 IN6 N/C
8 GND GND 7

Relay Driver to Relay Card

RLY pin

2x5 BERG

Signal Function RLY_DRVR pin

1x8 BERG

Signal
1 +5V Power 8 5V
2 B5 80M 3 OUT5
3 B3 20M 5 OUT3
4 B4 40M 4 OUT4
5 B1 10M 7 OUT1
6 B2 15M 6 OUT2
7 GND RF Gnd N/C GND
8 RFI RF In N/C
9 GND Power 1 GND
10 RFO N/C N/C
2 N/C

Testing

  • Apply 9-12V to DC jack
  • Use LED w/ resistor on output to check 5V
  • One channel at a time
    • Pull up channel input to +5V
    • Check output with LED pulled up to +5V out

CAD

RELAY-DRV CAD.PNG

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