From 1e663dad9ea457c618b7942179055319fcfcdfe4 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Thu, 13 Apr 2023 16:26:55 +0200 Subject: Assemble TX FE and update comments --- README-4m.md | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'README-4m.md') diff --git a/README-4m.md b/README-4m.md index e6a9cb9..bcf10fa 100644 --- a/README-4m.md +++ b/README-4m.md @@ -45,13 +45,19 @@ Transmit gain: ## TODO +* Measure driver output +* Measure antenna switch insertion loss +* Fix AGC * Firmware: - * Adapt clk settings for 11MHz IF * Handle VOX PTT * Implement CW macros -* Add silkscreen info for headers, pinouts and testpoints -* Clearance for ethernet magnetics -* Placement and clearance for front connectors + +## Rev. 0 Insights + +* TX Frontend: + * The amplifier is actually frequency selective enough that we can entirely + drop the input filter. + * Instead, we want a trim cap for C120, slightly smaller than 22pF ## Notes -- cgit v1.2.3