Variable Gain Amplifiers (VGA)

Q&A

by onyuhara
Variable Gain Amplifiers (VGA)

Latest 1 month ago by enash
101 1 0
Answered
Inquiry: Dynamic Envelope Shaping of a 350MHz Carrier using AD8367 V_gain Control 0
Answered

Hello, I am designing a system to perform dynamic envelope shaping of an AM-modulated signal using the AD8367 in VGA mode. I would like to verify the feasibility of the following operation: [Operational Scenario] Input Signal: A 350MHz carrier...

Analog Control Variable Gain Amplifiers (VGAs) Datasheet/Specs ad8367 Variable Gain Amplifiers (VGA)

101 1 0
by govish87
Variable Gain Amplifiers (VGA)

Latest 1 month ago by govish87
260 7 0
Answered
Unusually High Output Offset Voltage in AD8337 LTSPICE Model 0
Answered

I'm planning on using the AD8337 VGA for a new design. When simulating the part, however, I noticed unexpectedly high output offset voltage present, seeming to disagree with quoted datasheet specifications. The output offset voltage seems to be 50mV higher...

Analog Control Variable Gain Amplifiers (VGAs) Datasheet/Specs vga spice LTspice ad8337 datasheet Variable Gain Amplifiers (VGA) Show More

260 7 0
by guimpt
Variable Gain Amplifiers (VGA)

Latest 2 months ago by PaulCA
166 3 0
Answered
AD8338 stability issues 0
Answered

Hello, We are seeing a stability issue with the AD8338 VGA and would appreciate some guidance. We are trying to amplify a ~500kHz signal from an antenna, the following is the circuit we are using: (output is loaded by 2x470Ω resistors, oscillation...

Analog Control Variable Gain Amplifiers (VGAs) hardware vga stability Variable Gain Amplifiers (VGA) ad8338 Show More

166 3 0
by Egecan
Variable Gain Amplifiers (VGA)

Latest 3 months ago by PaulCA
146 2 0
Not Answered
AD8338 AGC Oscillation +1
Not Answered

Hello! Below is the AGC circuit I designed for an AC coupled square wave input. I am using single-ended input thus connected INMR to the ground through C1. COMM and MODE are grounded. I have a bypass capacitor at VBAT and VAGC as well. I have tested...

Analog Control Variable Gain Amplifiers (VGAs) hardware ad8338 agc Variable Gain Amplifiers (VGA) AD8338 no output ad8338 Show More

146 2 0
by AkiraO
Variable Gain Amplifiers (VGA)

Latest 3 months ago by AkiraO
134 2 0
Answered
Request of Gerber File for EVAL-AD8336 0
Answered

Hello, Could you please provide me the design files or Gerber file of EVAL-AD8336? Best Regards, Akira

Analog Control Variable Gain Amplifiers (VGAs) hardware ad8336 Variable Gain Amplifiers (VGA)

134 2 0
by JayeshU
Variable Gain Amplifiers (VGA)

Latest 3 months ago by PaulCA
229 4 0
Answered
AD8338 VGA Mode, no output 0
Answered

This is regarding AD8338 I am using in VGA mode. The gain voltage set to 0.8 Volt. I am giving single input and taking single output. Deto pin Grounded. 0.1uF Capacitor connected between VREF and OFSN pins. 4.7V Power supply is given to the circuit. ...

Analog Control Variable Gain Amplifiers (VGAs) hardware vga Variable Gain Amplifiers (VGA) AD8338 no output ad8338 Show More

229 4 0
by Akshay1992
Variable Gain Amplifiers (VGA)

Latest 4 months ago by PaulCA
119 1 0
Answered
AD8338 VGA Mode no output +1
Answered

I am using AD8338 in VGA Mode. The given input is 10 kHz - 300 kHz, -40 dBm. Operating this circuit on DC 4.7V. When the Gain voltage is set to 0.8V, there is no output. The output came only after reducing the Gain voltage nearly 0.6V, which gives less...

Analog Control Variable Gain Amplifiers (VGAs) hardware vga amplifier Variable Gain Amplifiers (VGA) ad8338 Show More

119 1 0
by PARTH0076
Variable Gain Amplifiers (VGA)

Latest 6 months ago by PARTH0076
647 4 0
Answered
AD8330 LTspice simulation error 0
Answered

I am trying to build an AGC circuit with DC servo loop to keep my output AC signal around 0V. While simulating I get two errors 1- "Node U1:N662042 is floating and connected to current source G:U1:_G2" 2- Fatal Error: Analysis: Time step too small;...

Analog Control Variable Gain Amplifiers (VGAs) ANALOG DEVICES VGA hardware vga ad8330 Variable Gain Amplifiers (VGA) Show More

647 4 0
by josei
Variable Gain Amplifiers (VGA)

Latest 7 months ago by john-lazzaro
195 1 0
Answered
Fabrication process +1
Answered

Is the AD8336 fabricated using a SiGe bipolar process?

Analog Control Variable Gain Amplifiers (VGAs) hardware ad8336 Variable Gain Amplifiers (VGA) SiGe Show More

195 1 0
by BDE
Variable Gain Amplifiers (VGA)

Latest 7 months ago by PaulCA
210 1 0
Answered
SPICE model of LTC6910-2 0
Answered

Hi, I am looking for spice model of LTC6910-2 to be included in one of my simulations which is in PSpice for TI. I have located the .sub file for LTC6910-2 but I am unable to import it because of its encryption. It would really be helpful to share the...

Programmable Gain Amplifiers simulation LTC6910-2 hardware LTC6910 model Variable Gain Amplifiers (VGA) pspice Show More

210 1 0
by Akshay1992
Variable Gain Amplifiers (VGA)

Latest 7 months ago by PaulCA
516 5 0
Answered
AD8338 no gain seen with ADA4940 at input and AD8130 at output 0
Answered

We have designed a separate PCB for evaluating the spurious response of the AD8338 in complete single-ended operation, utilizing the ADA4940 at the input for single-ended to differential conversion and the AD8130 at the output for differential to single...

Video Amplifiers and Analog Video Functions Analog Control Variable Gain Amplifiers (VGAs) hardware CAT-5 Video Receivers differential to single ended Variable Gain Amplifiers (VGA) ad8338 Show More

516 5 0
by dylanlouviaux
Variable Gain Amplifiers (VGA)

Latest 8 months ago by PaulCA
480 4 0
Answered
AGC Spice simulation 0
Answered

Does a spice model exist that has the AGC necessary pins so I can model an AGC circuit in LTspice?

Analog Control Variable Gain Amplifiers (VGAs) hardware Variable Gain Amplifiers (VGA) ad8338

480 4 0
by PavelLevanov
Variable Gain Amplifiers (VGA)

Latest 9 months ago by GLADION
247 2 0
Answered
What's the minimum operating frequency of LT5514? 0
Answered

Hello. We are looking for this DGA LT5514 as baseband driver. Actually it's not clear from datasheet what's the minimum operating frequency for 1dB/3dB cutoff ? It would be nice if you have a gain plot that starts from "DC". Thank you in advance!

Datasheet/Specs LT5514 Digital Control VGAs Variable Gain Amplifiers (VGA)

247 2 0
by Crom
Variable Gain Amplifiers (VGA)

Latest 9 months ago by GLADION
409 2 0
Not Answered
LTSpice simulation gain error for AD8336 0
Not Answered

Using the LTSpice model forAD8336 I checked gain using DC input vales to check gain values for my application (sensor inputs from ~-1v to ~ 5.5v at ~20MHz). I modified the default circuit supplied by AD to add a DC input and measure input and output...

Analog Control Variable Gain Amplifiers (VGAs) Datasheet/Specs AD8336 model ad8336 AD8336 gain Variable Gain Amplifiers (VGA) AD8336 simulation Show More

409 2 0
by RaySun
Variable Gain Amplifiers (VGA)

Latest 11 months ago by yus
409 1 1
Answered
ADL5240 Replacement 0
Answered

ADL5240 Last time buy.Could suggest the replacement parts?

adl5240 Datasheet/Specs Digital Control VGAs Variable Gain Amplifiers (VGA)

409 1 1

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Q&A

Answered
Inquiry: Dynamic Envelope Shaping of a 350MHz Carrier using AD8367 V_gain Control 0
Answered

Answered
Unusually High Output Offset Voltage in AD8337 LTSPICE Model 0
Answered

Answered
AD8338 stability issues 0
Answered

Not Answered
AD8338 AGC Oscillation +1
Not Answered

Answered
Request of Gerber File for EVAL-AD8336 0
Answered

Answered
AD8338 VGA Mode, no output 0
Answered

Answered
AD8338 VGA Mode no output +1
Answered

Answered
AD8330 LTspice simulation error 0
Answered

Answered
Fabrication process +1
Answered

Answered
SPICE model of LTC6910-2 0
Answered

Answered
AD8338 no gain seen with ADA4940 at input and AD8130 at output 0
Answered

Answered
AGC Spice simulation 0
Answered

Answered
What's the minimum operating frequency of LT5514? 0
Answered

Not Answered
LTSpice simulation gain error for AD8336 0
Not Answered

Answered
ADL5240 Replacement 0
Answered

Q&A

Answered Inquiry: Dynamic Envelope Shaping of a 350MHz Carrier using AD8367 V_gain Control 0 Answered

Answered Unusually High Output Offset Voltage in AD8337 LTSPICE Model 0 Answered

Answered AD8338 stability issues 0 Answered

Not Answered AD8338 AGC Oscillation +1 Not Answered

Answered Request of Gerber File for EVAL-AD8336 0 Answered

Answered AD8338 VGA Mode, no output 0 Answered

Answered AD8338 VGA Mode no output +1 Answered

Answered AD8330 LTspice simulation error 0 Answered

Answered Fabrication process +1 Answered

Answered SPICE model of LTC6910-2 0 Answered

Answered AD8338 no gain seen with ADA4940 at input and AD8130 at output 0 Answered

Answered AGC Spice simulation 0 Answered

Answered What's the minimum operating frequency of LT5514? 0 Answered

Not Answered LTSpice simulation gain error for AD8336 0 Not Answered

Answered ADL5240 Replacement 0 Answered

Answered
Inquiry: Dynamic Envelope Shaping of a 350MHz Carrier using AD8367 V_gain Control 0
Answered

Answered
Unusually High Output Offset Voltage in AD8337 LTSPICE Model 0
Answered

Answered
AD8338 stability issues 0
Answered

Not Answered
AD8338 AGC Oscillation +1
Not Answered

Answered
Request of Gerber File for EVAL-AD8336 0
Answered

Answered
AD8338 VGA Mode, no output 0
Answered

Answered
AD8338 VGA Mode no output +1
Answered

Answered
AD8330 LTspice simulation error 0
Answered

Answered
Fabrication process +1
Answered

Answered
SPICE model of LTC6910-2 0
Answered

Answered
AD8338 no gain seen with ADA4940 at input and AD8130 at output 0
Answered

Answered
AGC Spice simulation 0
Answered

Answered
What's the minimum operating frequency of LT5514? 0
Answered

Not Answered
LTSpice simulation gain error for AD8336 0
Not Answered

Answered
ADL5240 Replacement 0
Answered