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set default tx to around 22dBm for all PA boards

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liquidraver
2026-06-18 09:32:49 +02:00
parent 104cf8d905
commit 550b77fd63
4 changed files with 11 additions and 8 deletions
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zephcore/boards/esp32/heltec_wifi_lora32_v4/board.conf
+4 -4
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@@ -1,7 +1,7 @@
# Heltec WiFi LoRa 32 V4 — ESP32-S3, 16 MB flash, 2 MB QSPI PSRAM
#
# Hardware:
# SX1262 + GC1109 external PA (10 dBm in → ~22 dBm out)
# SX1262 + GC1109 external PA (~27 dBm max radiated at TX=18)
# SSD1306 128x64 OLED on I2C0
# User button on GPIO0
#
@@ -19,6 +19,6 @@ CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
CONFIG_ZEPHCORE_SX126X_HELTEC_REG_PATCH=y
# TX power — SX1262 input to GC1109 PA.
# 10 dBm → ~22 dBm radiated output (GC1109 ~12 dB gain).
# Driving >10 dBm into the PA compresses it; set as default but not capped.
CONFIG_ZEPHCORE_DEFAULT_TX_POWER_DBM=10
# Measured (MeshCore issue #1708): TX=18 → ~27 dBm radiated, practical efficiency peak.
# TX=10 → ~20 dBm; TX=22 → ~27 dBm (PA saturated, same as TX=18, extra current only).
CONFIG_ZEPHCORE_DEFAULT_TX_POWER_DBM=12
zephcore/boards/esp32/heltec_wifi_lora32_v43/board.conf
+3 -3
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@@ -20,6 +20,6 @@ CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
CONFIG_ZEPHCORE_SX126X_HELTEC_REG_PATCH=y
# TX power — SX1262 input to KCT8103L PA.
# 10 dBm → ~22 dBm radiated output (KCT8103L similar gain to GC1109).
# Driving >10 dBm into the PA compresses it; set as default but not capped.
CONFIG_ZEPHCORE_DEFAULT_TX_POWER_DBM=10
# Measured (MeshCore issue #1708, GC1109 data — KCT8103L similar): TX=18 → ~27 dBm
# radiated, practical efficiency peak. TX=10 → ~20 dBm; TX=22 saturates same as TX=18.
CONFIG_ZEPHCORE_DEFAULT_TX_POWER_DBM=12
zephcore/boards/esp32/station_g2/board.conf
+1 -1
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@@ -16,7 +16,7 @@ CONFIG_BT_DIS_MODEL_NUMBER_STR="BQ Station G2"
# TX power — Station G2 has ~20dB external PA.
# Default 15 dBm → ~35 dBm output (P1dB point). Not capped — user can raise.
CONFIG_ZEPHCORE_DEFAULT_TX_POWER_DBM=15
CONFIG_ZEPHCORE_DEFAULT_TX_POWER_DBM=6
# Flash size — 16MB (override Zephyr default)
CONFIG_ESPTOOLPY_FLASHSIZE_16MB=y
zephcore/boards/nrf52840/ikoka_nano_30dbm/board.conf
+3
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@@ -21,3 +21,6 @@ CONFIG_BT_DIS_MODEL_NUMBER_STR="Ikoka Nano 30dBm"
# SoftDevice firmware ID (XIAO nRF52840 uses S140 v7.3.0)
CONFIG_ZEPHCORE_SD_FWID=0x0123
# TX power — SX1262 input to E22-900M30S PA (30 dBm rated output).
CONFIG_ZEPHCORE_DEFAULT_TX_POWER_DBM=14