From 50154b4663e90f6311334e360c2962bd6299d55c Mon Sep 17 00:00:00 2001
From: Lukas Winter <lukas.winter@ptb.de>
Date: Mon, 9 Jan 2023 15:27:11 +0000
Subject: [PATCH] Update readme.md

---
 RFPA/readme.md | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/RFPA/readme.md b/RFPA/readme.md
index 7b469d2..5d0503e 100644
--- a/RFPA/readme.md
+++ b/RFPA/readme.md
@@ -10,4 +10,13 @@ Figure 1 - Photograph of an assembled 8-channel RFPA
 The parallel transmission (pTx) RF amplifier is used to separately control the amplitude and phase of eight transmission channels for pTx experiments. 
 
 ## System design
-As a main component the broadband high power amplifier ZHL-20W-13SW+ (SN: RB81028153) was used to amplify the signals of the eight channels. The maximum input power for each channel is - 3 dBm (see also the data sheet [ZHL-20W-13SW+](./datasheets/Amplifier_Datasheet_ZHL-20W-13SW+.pdf)). A wiring diagram of the PTX amplifier can be found in the appendix of this documentation. Further components and operating elements can be found in the following Table 1 or in Figures 2 - 4.
+As a main component the broadband high power amplifier ZHL-20W-13SW+ (SN: RB81028153) was used to amplify the signals of the eight channels. The maximum input power for each channel is - 3 dBm (see also the data sheet [ZHL-20W-13SW+](./datasheets/Amplifier_Datasheet_ZHL-20W-13SW+.pdf)). A wiring diagram of the PTX amplifier is displayed in Figure 2. 
+
+![8ch RFPA wiring diagram](./images/rfpa_wiring_diagram.png "Wiring diagram of 8-channel RFPA")
+
+Figure 2 - Wiring diagram of the 8-channel amplifier. The components used can be found in Table 1.
+
+| Item No. | Component | Function | Est. cost per Pc. [€] | Amount | Total cost [€] | Source 1
+| ----- | -------- | -------- | ----- | ----- | ----- | --------|
+| 1     | SMA sockets    | RF input     | XX    | 8     | xx    | xx    |
+| 2     | BNC sockets    | Input external 5V TTL signal     | XX    | 1     | xx    | xx    |
-- 
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