Hi Berndt,
The only difference between V1.4 and 1.5 is the type of Rx/Tx relay. Now
we use Panasonic RF relay, because Omron discontinue previously used G6Z
series RF relays. All specifications are the same.
We use VCTCXO with +/- 2.5 ppm frequency stability in wide temp ragne,
-25...+70 deg. When transverter is used in normal conditions- in
temperature range +15...+30 deg. , frequency stability is about +/-
1ppm.
As this is a VC-TCXO, there is a possibility for fine tuning of
frequency by on-borad multi-turn trimmer.
Any type of external 10 MHz reference can be used. Sine wave is
preferred, the level must be in the range -10...0 dBm.
We plan to produce 2.4 GHz as a simple separate module. There are 2
directional couplers . First - at the input , it can be used to measure
nominal input drive. The second directional coupler measure forward and
reflected wave at the output. There are diode detectors at all couplers,
but there is no MCU and LEDs . The voltage can be measured by a
Voltmeter. The amplifier will be mounted in a milled aluminium case, it
can mounted on an additional heatsink. The sizes of this box are:
82x57x20 mm (without SMA connectors)
The price of 13cm transverter is 210 Euro. The price of 20W PA for 2.4
GHz is not yet defined, but expected price will be in the range 110-130
Euro. The price for economy shipping to Germany is 8 Euro for 1 unit, 10
euro for 2 units. The price for shipping by DPD is 16 Euro.