Electrical and Computer Engineering Homework Solutions
Problem
#7833

current mirrors

Two transistors used in a current mirror are characterized by βdc = 40, Vo = 0.7 V and RBB  = 10k ohms, If R1 = 2.5k ohms, RC = 2k ohms, and VCC = 7.5 V, find VCE and IE for both transistors.

I couldn't find the base current to solve the for Vce and IE.

Attached file(s):
Attachments
current mirror.doc  View File

Attachment Content Summary (Note: view attachment at the above link before purchasing. Actual attachment content may vary slightly from that shown below.)

current mirror.doc




Two transistors used in a current mirror are characterized by âdc = 40,
Vo = 0.7 V and RBB = 10k ohms, If R1 = 2.5k ohms, RC = 2k ohms, and VCC
= 7.5 V, find VCE and IE for both transistors.
Solution
What is this?
By OTA - Overall OTA Rating
Purchase Cost Now
$2.19 CAD (was ~$7.98)
Included in Download
  • Plain text response
  • Attached file(s):
    • sln1.jpg
    • sln2.jpg
$2.19 Instant Download
Add to Cart
Why you can trust BrainMass.com
  • Your Information is Secure
  • Best Online Academic Help Service
  • Students find real academic Success
Related Solutions
  • Testing BJT transistors. - How would I design a circuit to test BJT transistors?
  • CMOS inverter - Consider a CMOS inverter biased at Vdd=4V and assume the transistors are matched with Kn=Kn and Vtn=-Vtp=/2*Vdd. Derive the expression for, and calculate the noise margins. Please see attached fil ...
  • Testing Circuit Components - How test diodes, capacitors, inductors and transistors in a circuit? Then if caps block DC and pass AC, but DC caps filter AC current to reduce ripple, then why have a cap in a dc circuit if block dc ...
  • BJT input diff-amp stage/off-set voltage - Define the offset voltage in the op-amp circuits. Show that the expression for the offset-voltage compensation of BJT input diff-amp stage shown in figure 4 is given by: Vt*ln(ic1/Is3)+ic1R'1=Vt*l ...
  • Transistor design problem - Redesign the circuit showin using Vcc=9V such that the voltage drop across Rc = 1/3VCC and the voltage drop across Re=1/3VCC. Assume Bf=100. the quiescent collector current is to be IcQ=.4mA and the ...
Browse