HMC600LP4 Datasheet, PDF (9/10 Pages) Hittite Microwave Corporation – 75 dB LOGARITHMIC DETECTOR / CONTROLLER 50 - 4000 MHz

HMC600LP4 / 600LP4E
v01.0606
75 dB LOGARITHMIC
DETECTOR / CONTROLLER 50 - 4000 MHz
Application & Evaluation PCB Schematic
10
Notes
Note 1: The HMC600LP4 & HMC600LP4E evaluation boards are pre-assembled for single-ended input, and detector/RSSI mode.
Note 2: For single-ended input operation, use the INP port and make no connection to INN. INN is AC coupled to ground by C2
Note 3: For differential input, remove C2, and install a 1000pF capacitor in series with INN at location shown.
Note 4: For detector mode, connect high impedence volt meter to the LOGOUT port, and make no connection to VSET. LOGOUT
is shorted to VSET by R3, as required for detector mode.
Note 5: For controller mode, remove R3 and make appropriate connection to LOGOUT and VSET. In controller mode, the
LOGOUT output can be used to drive a variable gain amplifier, or a variable attenuator, either directly or through a buffer
or microcontroller. VSET should be connected to an external supply, typically between +0.6 and +1.9V.
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com